The majority of zoom lenses are varifocal lenses. The guys from the video demonstrate these differences on a Fujinon MK18-55mm T2.9 cinema lens for Sony E-mount (parfocal), and Canon EF-S 15-85mm f/3.5-5.6 IS USM and Canon EF 24-70mm f/2.8L II USM lenses (varifocal). So it really doesn’t matter in the still photo world. Although parfocal lenses can have some small focus changes, the amount is minimal and you can keep overall focus consistency throughout the zoom range. Top Rated Gear: DZOFILM Pictor 20-55mm T2.8 Super35 Parfocal Zoom Cine Lens, PL Mount and EF Mount, Black MFR: DZO-7220002B. The first set released was the Linglung Series 10-24mm & 20-70mm T2.9 parfocal lenses for Micro Four Thirds mount cameras. They provide the cinematographer an artistic and emotional imagery. They did however, have a reputation for focus breathing quite heavily and, like most photography lenses, are not parfocal. The new lineup of Pictor Zoom lenses from DZOFILM cover Super35/APS-C sensors. Format: Super 35, Lens Mount: Canon EF, Lens Type: Wide Angle Zoom, Markings: Feet [Cine Lens] Precise Film-grade Mechanical Control. Tokina has announced the impending release of its new 25–75mm T2.9 cinema lens, a parfocal lens it calls ‘the pinnacle of modern cinema zoom lens design.’ The lens' focal length fits between the company’s current 11–20mm T2.9 and 50–135mm T2.9 cinema zoom lenses… Fstoppers Reviews Minimal Black Lightroom Preset, Sally Davies' 'New Yorkers' May Be the Best Photography Monograph Of 2021. more. And not all of them cost crazy money, either. It was autofocusing that changed the picture (so to speak). From the solid MFT Linglung cinema zooms, 10-24mm and 20-70mm, to S35 parfocal cine lens with DZO Pictor 20-55mm T2.8 and 50-125mm T2.8 parfocal zoom lenses. - It's parfocal - It's MFT mount - Price will be $1,700, which is cheap for this kind of lens - It has a very usable zoom range at 20-70mm Optical qualities are unknown as for now, but it … DZO Film continues to grow and give filmmakers affordable and robust lens options. Pentax actually still features on their website the fact that they have multi-group movement internally so as to keep precise focus as they zoom. I am surprised by the long list of Canon & Sony lenses you have there. G.L.Optics claim their PL cine rehoused Sigma 18-35mm f1.8 still lens is parfocal. Parfocal design. Designed specifically to be compatible with: BMPCC 4K, Z CAM E2, Panasonic GH5S, GH5, DZO 20-70mm T2.9 M4/3 lens constructed of a full metal design with two-sided focus scale, featuring both metric and imperial measurements. - Canon 16-35mm III With a constant T/2.8 maximum aperture at every focal length, both lenses will cover a total range of 20-125mm at T2.8! Do I need to add additional lens support to the front because of lens weight strain on the GH5 M4/3 lens mount? Parfocal lenses were a holy grail prior to autofocusing, when the typical method of getting sharp manual focus was to zoom in, focus, and zoom back out to shoot. The DZOFilm DZO 10-24mm T2.9 Parfocal Cine provides an ultra-wide zoom range that’s perfect for capturing sweeping cityscapes and landscapes, and its twelve-blade aperture produces pleasing bokeh. : Elec. Parfocal lenses were a holy grail prior to autofocusing, when the typical method of getting sharp manual focus was to zoom in, focus, and zoom back out to shoot. Duclos Lenses – $250 for a full cine-mod, and $409 for a cine-mod plus mount change (you need to contact them for Sony E-mount at present) GL Optics – they also provide casing modifications, and the prices run greater than $3,000 per lens. Officially, both of these points have been addressed and improved in the cine versions, however there is still a lot of doubt in many people's minds and online in general, about how good (or bad) these lenses are. Top Rated Gear: DZOFILM Pictor 20-55mm T2.8 Super35 Parfocal Zoom Cine Lens, PL Mount and EF Mount, Black MFR: DZO-7220002B. Coming to you from Michael the Maven, this great video details what a parfocal lens is and why it is so useful for videographers. This enables cinematographers to zoom in and out from a subject while maintaining the same focus. Every element in such a design can contribute towards perfecting performance for this single focal length. The very name of the varifocal lens gives away what the problem is. Store #0906712 Elec. Cine Lenses. This brings us to the new Sigma Cine zooms. Many third party manufactures also used to advertise this. The new lineup of Pictor Zoom lenses from DZOFILM cover Super35/APS-C sensors. SIGMA Not responsible for typographical or illustrative errors. "For a given focal length and aperture combination, a prime (or block) lens offers the greatest freedom to a lens designer. Speed up future orders, see order history, create wish lists, and more. It seems like these days a parfocal lens at this price, with cinema-style housing, is kind of scarce on the market. Back-focus adjustment of 19.2mm in small increments lets you easily switch this lens among different Micro 4/3 cameras. Which stills lenses have you used that are parfocal. - Panasonic 12-35mm An overview of SIGMA’s CINE LENS series. This means that they are lenses in which the focus changes as the focal length changes. Enter new zip code to refresh estimated delivery time. Also, back focus adjustment of 19.2mm in small increments allows you to efficiently switch this lens between different MFT-mount cameras. Same for every video zoom lens I have ever used. SIGMA goes through great lengths to reduce focus shift throughout the zoom range. Pure and vivid movie texture. Cine Zoom Lenses Sony FE As you'd imagine, Sony makes its only quality glass with some great full-frame options for stills and video both prime and zoom. - Canon 70-200mm III Been doing photography since 1981. More Details. We strive to offer our customers the easiest, most seamless shopping experience every day—using the latest technology and security measures. None of the photo zoom lenses I have ever owned is parfocal. > DZOFilm 20-70mm T2.9 MFT Parfocal Cine Lens. Are there any other parfocal lenses that are EF mount other than the 70-200 2.8L non-is (believe one of the UWA Tokina zooms is as well)? DZOFilm 20-70mm T2.9 MFT Parfocal Cine Lens. It seems like these days a parfocal lens at this price, with cinema-style housing, is kind of scarce on the market. For example, this allows one to zoom in to focus, then zoom back out to compose an image. Cine lenses are made for use in bad weather. Alex Cooke is a Cleveland-based portrait, events, and landscape photographer. However, since we're sticking to cine lenses, and more importantly lenses with T-stops, it really narrows down the Sony options to just one, which will be released sometime in 2020. The Sony FE C 16-35 T3.1 zoom features kind of both qualities – but not exactly. However, DZOFilm claim their new Pictor Zoom cine lenses are ‘virtually free’ of focus breathing. Why Image Quality Is No Longer the Most Important Aspect of a Lens, Fashion and Editorial Portrait Photography, Photoshop’s Save Functionality Just Broke: Here’s How to Fix It, Life Lessons Learned in Selling my Photography as Art, When You Do and Do Not Need a Model Release, 4 Easy Ways to Improve Your Real Estate Photography Compositions, A Preset for Street Photography? Did video from about 1985 to about 1997. DZOFILM Pictor 20-55mm and 50-125mm T2.8 Super35 Parfocal Zoom Cine Lens Bundle, PL Mount and EF Mount, Black $4,799.00 DZOFILM 20-70mm T2.9 MFT Parfocal Cinema Style Zoom Lens Does the weight of this lens need additional front end lens support to reduce the strain on a GH5 M4/3 lens mount? With a non-parfocal lens, the simple act of zooming in or out may change your focus, requiring you to refocus your shot. They did however, have a reputation for focus breathing quite heavily and, like most photography lenses, are not parfocal. New Premista28-100mmT2.9. There are lots of reasons for those high prices, one of the most common being that they are parfocal. Cine lenses are different from still lenses in a few ways. What Does the Future Hold for the Camera Manufacturer? For one, they often have a more robust build and lower tolerance for variation in their specs. For one, they often have a more robust build and lower tolerance for variation in their specs. A proper, fully-mechanical cine lens usually offers things like being parfocal (no focus shift when altering the focal length) and suppressed breathing (change of the field of view when tracking focus). - Canon 24-70mm (Extremely surprised by Panasonic, since video is their forte). DZO Film continues to grow and give filmmakers affordable and robust lens options. Lens Build Manufacturer rebates, terms, conditions, and expiration dates are subject to manufacturers printed forms NYC DCA Lic. Although parfocal lenses can have some small focus changes, the amount is minimal and you can keep overall focus consistency throughout the zoom range. Check out the video above for more on the topic. Professional Cine Lenses with Concrete Build. The LEITZ ZOOM set composed of a 25 – 75 mm and a 55 - 125 mm prime zoom cine lens… Featuring two parfocal lenses of almost identical size, DZOFilm Linglung Parfocal Cine Lens Bundle offers a flexible and consistent workflow with focal lengths from a wide-angle 10mm to 70mm. Although parfocal lenses can have some small focus changes, the amount is minimal and you can keep overall focus consistency throughout the zoom range.In addition to this, the lens has near-zero breathing, ensuri Both are parfocal lenses, designed to maintain focus throu Product Movie - Premista28-100mmT2.9 . in Applied Mathematics and a doctorate in Music Composition. Cine Lenses. OOOM 25-100mm T2.9 Cine sales@venuslens.net 2020-10-22T03:58:38+00:00 COMPREHENSIVE 4X ZOOM RANGE From wide-angle (25mm) to close-up shot (100mm), all you need is ONE lens. #0907905; Sec. What is a Parfocal Lens? It certainly is for me. B4 lens can be adapted with an optical lens adapter that is designed to correct the arrival times of the Red, Blue and Green light waves so that shooting it wide open and at the wide end the of lens performs well. DZOFILM is devoted to exploring the aesthetic of film and design of optics. I had the opportunity to use the DZOFilm Pictor lens … This lens weights as much as Olympus 100-400 mm , I do not think it will harm the lens mount , but it will not heart if you use a lens support. Unfortunately, your browser doesn't support these improvements. This is sort of operation is crucial for camera operators, for whom reasonably maintaining focus manually while zooming at the same time would be very difficult. They also have longer focus throw for smooth racking and smooth, de-clicked manual apertures. A parfocal cine lens, the DZO 20-70mm T2.9 MFT Lens from DZOFilm is designed to maintain focus as you zoom in or out. Product Movie - Premista28-100mmT2.9 . Serv. The one varifocal I have ever seen, was a Vivitar K-mount zoom which had one ring for zoom (slide) and focus (turn). Have a look at our revolutionary cine lenses lineup, perfect for contemporary movie & video production in the age of high-resolution digital images. Check out the Fstoppers Store for in-depth tutorials from some of the best instructors in the business. - Sony 70-200mm GM. Even the better oculars for visual observation benefit from this design feature. Deal. This offers several advantages. In addition to this, the lens has near-zero breathing, ensuring consistency in framing, and it provides rounded highlights thanks to a 12-blade iris. I had only one zoom back then, the Canon FD 80-200L. We’ve now had more clarification directly from Sigma about why they say the lenses are ‘near parfocal’. Gen. #0907906. There are a few DSLR lenses that work great for video like Canon’s 70-200 f/2.8 Non-IS and the Panasonic 7-14 f/4. If you have ever looked at the price of cinema lenses, your eyes probably watered a bit at their seemingly stratospheric cost. True to its cine design, it has a focus rotation of 270° and offers 26 focus marks along the range. I’ll go through each main axis of a lens: focus, iris, and zoom, and describe the differences in each. Innovative large format cine lenses, Premista is born. The first set released was the Linglung Series 10-24mm & 20-70mm T2.9 parfocal lenses for Micro Four Thirds mount cameras. Is The Digital Harinezumi, A Cheap Plastic Toy Camera, Really Worth $500? Included are a 10-24mm and a 20-70mm cine lens for MFT-mount cameras. A parfocal cine lens, the DZOFilm Linglung Lens Series is designed to maintain focus as you zoom in or out. A parfocal cine lens, the DZO 10-24mm T2.9 MFT Lens from DZOFilm is designed to maintain focus as you zoom in or out. Parfocal. Back-focus adjustment of 19.2mm in small increments lets you easily switch this lens among different Micro 4/3 cameras. Format: Super 35, Lens Mount: Canon EF, Lens Type: Wide Angle Zoom, Markings: Feet PARFOCAL LENS DEFINITION What is a parfocal lens? If not, are there parfocal lenses available that cover the aps-c sensor size and have mounts available to ef? Parfocal. The best thing, and a valid feature for labeling this lens a cine zoom, is the fact that the Canon CN-E 18-80mm hold focus throughout the zoom range, in technical speak the lens is parfocal. The set runs only $2,998.00. Starting in the mid-eighties, it was the thing to get. OOOM 25-100mm T2.9 Cine sales@venuslens.net 2020-10-22T03:58:38+00:00 COMPREHENSIVE 4X ZOOM RANGE From wide-angle (25mm) to close-up shot (100mm), all you need is ONE lens. One Zoom Lens to Rule Them All: Which One Would You Choose? Fortunately, now that the ability to shoot good quality video has become more common and more people are starting to become aware of parfocal lenses, manufacturers have started to produce more of them. In … From the solid MFT Linglung cinema zooms, 10-24mm and 20-70mm, to S35 parfocal cine lens with DZO Pictor 20-55mm T2.8 and 50-125mm T2.8 parfocal zoom lenses. I don't know of any, pre or post digital... (Certainly not lots of zooms). The price for the Pictor 20-55mm and 50-125mm $2289 and $2489, respectively. - Canon 16-35mm II I zoomed in and focused all day long with the DZO Film 20-70mm on the Blackmagic Pocket Cinema Camera 4K. Depending on the camera it is possible to shoot 4k with a B4 lens. Although parfocal lenses can have some small focus changes, the amount is minimal and you can keep overall focus consistency throughout the zoom range. Cine lenses are made for … I have personally never owned one. Yes, this is a parfocal lens. Download one of these great options and you'll be on your way: A parfocal cine lens, the DZO 10-24mm T2.9 MFT Lens from DZOFilm is designed to maintain focus as you zoom in or out. Pictor Zoom lenses are completely parfocal and the aperture diaphragm consists of 16 blades for a beautiful smooth and creamy bokeh. That’s not … Continued This video explains all the benefits of MK lenses with Blackmagic Pocket Cinema Camera 4K. Designed from the ground up to work as Cine lenses, the MK lenses do not exhibit focus breathing, are parfocal and have smooth, mechanical iris and focus. A proper, fully-mechanical cine lens usually offers things like being parfocal (no focus shift when altering the focal length) and suppressed breathing (change of the field of view when tracking focus). DZOFilm DZO 10-24mm T2.9 MFT Parfocal Cine Lens $ 1,979.00 DZOFilm DZO 20-70mm T2.9 MFT Parfocal Cine Lens $ 1,760.00 See my reply to Martin, above. Main Points of a Lens. New Premista28-100mmT2.9. They also have longer focus throw for smooth racking and smooth, de-clicked manual apertures. Watch and learn what sets the MK lenses apart from still lenses I assumed they stooped advertising as such when it became common-place. Designed from the ground up to work as Cine lenses, the MK lenses do not exhibit focus breathing, are parfocal and have smooth, mechanical iris and focus. - Canon 100-400mm II Both mechanics and optics are designed to be compact and versatile, allowing users to enjoy the smooth and precise operation and … Parfocal lenses are most useful for video work where it would be awkward to keep having to pull focus as your zoom changes. Cinema lenses need to be parfocal, with a smooth zoom, large focus throw, hard stops, and minimal breathing. These are lenses that are able to keep their focus locked on subjects even when you zoom in on a particular scene. This interesting video explains what it means for a lens to be parfocal and why it is so desirable among filmmakers. He is also an avid equestrian. Fusion TLC Raven Review: The Most Advanced Wireless Trigger, Astro Panel 5 Will Simplify Your Milky Way and Deep Sky Editing, Three Impulse Buys That Accidentally Ended up Being Some of My Favorite Photography Tools, We Interview Photographer Robert Yone on the Art of Camera Trap Photography. It was parfocal. A parfocal cine lens, the DZO 10-24mm T2.9 MFT Lens from DZOFilm is designed to maintain focus as you zoom in or out. However, since we're sticking to cine lenses, and more importantly lenses with T-stops, it really narrows down the Sony options to just one, which will be released sometime in 2020. - Canon 24-105mm However, as is the case with most cine zoom lenses, the SIGMA cine zooms are nearly parfocal. With a constant T/2.8 maximum aperture at every focal length, both lenses will cover a total range of 20-125mm at T2.8! Although parfocal lenses can have some small focus changes, the amount is minimal and you can keep overall focus consistency throughout the zoom range.In addition to this, the lens has near-zero breathing, ensuri 2019.04.03 . Compatible with a full-frame image sensors, the FF Zoom Line offers the outstanding optical performance required for high-resolution shooting in 6K-8K. The counterpart to the parfocal lens is the varifocal lens. The price for the Pictor 20-55mm and 50-125mm $2289 and $2489, respectively. On the other hand, parfocal lenses do not change focus as the lens' focal length is changed. The lens has a durable all-metal housing. I zoomed in and focused all day long with the DZO Film 20-70mm on the Blackmagic Pocket Cinema Camera 4K. Finally, the price makes them perfect for emerging or independent film-makers looking to invest in dedicated Cine glass. It was about the mid-eighties that lens makers stated advertising their zooms as such, so that one can do precisely what this article says; zoom in, (with the zoom ring), focus with the focus ring, zoom out. Focus on the subject. All of these factors add up to a larger, more complicated (and more expensive) lens. Yes, this is a parfocal lens. Every zoom I have used in photography has been parfocal. Efficient integration in one hand. Pictor 50-125mm T2.8 Super35 Parfocal Zoom Cine Lens (PL-Mount/Black) - Front Lens Cap - Rear Lens Cap - Zoom Stick - Canon EF-Mount with Cap - DZOFILM 1 Year Limited Warranty. Lighting, Retouching, and Shooting for Magazines, How to Use Your Digital Camera and Edit Photos in Photoshop, How to Quickly and Easily Improve Your Photo Compositions, A Look at the New M1 iMac for Photographers and Filmmakers, Take $500 Off a Sigma Art Lens Today Only. Dzofilm Linglung 20-70mm T2.9 and 10-24mm T2.9 cinema zoom lenses deliver the full benefits of M4/3 cameras with stunning optical quality. Parfocal Cinema Zoom lenses are expensive, and most rent them when needed for a project. DZOFilm’s newest z o om lens combo, the Pictor 20–55mm and Pictor 50–125mm T2.8, steps in to this market offering a parfocal zoom and cinema housed experience for the Super35 sensor camera user at just under $4,500 for the set in black (or $5,400 for the set in white if you prefer to see your lenses in reflections).. Parfocal Design focus remain the same during zooming in or out No matter from close-up to wide shot， Or rapidly zoom out to long shot, Under parfocal design, focus keeps unchanged Here is a list: © 2000-2021 B & H Foto & Electronics Corp. 420 9th Ave, New York, NY 10001, Back focus adjustment for use with different cameras (19.2mm adjustable by +/-0.3mm) adjustment), DZOFilm DZO 10-24mm T2.9 MFT Parfocal Cine Lens, loc_en_US, sid_1507683, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]. 2019.04.03 . DZOFILM is out to change this with its affordable cinema zoom lens offerings. Manufacturers can save a lot of money and assembly time by not including measures to keep a lens parfocal. My Entire Portfolio Was Built Using Only One Lens, Can You Guess Which One? A parfocal cine lens, the DZO 20-70mm T2.9 MFT Lens from DZOFilm is designed to maintain focus as you zoom in or out. They told us that because the optics for the lenses were originally designed for stills cameras, they were never designed to be completely parfocal. A (non exhaustive) list of parfocal lenses provided by Chuck Westfall a few years ago: EF 16-35mm f/2.8L USM EF 17-40mm f/4L USM [But] It’ll be vastly improved over a Canon [stills] lens.” Basically, Sigma are being highly scientific in their definition of parfocal for this lens design. Have a look at our revolutionary cine lenses lineup, perfect for contemporary movie & video production in the age of high-resolution digital images. The Sony FE C 16-35 T3.1 zoom features kind of both qualities – but not exactly. Watch and learn what sets the MK lenses apart from still lenses Hd. Innovative large format cine lenses, Premista is born. Parfocal Cinema Zoom lenses are expensive, and most rent them when needed for a project. Cine lenses are also parfocal lenses. With a non-parfocal lens, the simple act of zooming in or out may change your focus, requiring you to refocus your shot. Most zooms were not. A parfocal cine lens, the DZO 20-70mm T2.9 MFT Lens from DZOFilm is designed to maintain focus as you zoom in or out. These are lenses that are able to keep their focus locked on subjects even when you zoom in on a particular scene. DZOFilm offers a couple of parfocal cinema zooms for $1,600-1,800 each. Pictor Zoom lenses are completely parfocal and the aperture diaphragm consists of 16 blades for a beautiful smooth and creamy bokeh. Besides, with a still photo lens, you press the shutter button half way and the lens focuses instantly, regardless of where you have the zoom set. Cine lenses are different from still lenses in a few ways. A parfocal cine lens, the DZO Pictor 20 to 55mm T2.8 Super35 Parfocal Zoom Lens features a relatively fast maximum aperture of T2.8 with an aperture range of T2.8 to T22.As you would expect from a cinema-style zoom, the lens is parfocal, meaning it holds focus throughout the … This video explains all the benefits of MK lenses with Blackmagic Pocket Cinema Camera 4K. The last varifocal lens for an SLR I saw was in the early 1980's. Photographers almost never need this kind of functionality, so manufacturers make varifocal lenses, which are far cheaper. & Home App. Not many lenses are parfocal for the price and performance of the DZO. Lens Build Create a B&H Account, America's Best Customer Service List-Newsweek, Prices, specifications, and images are subject to change without notice. The set runs only $2,998.00. As far as they are concerned, the phrase ‘near parfocal’ means “that it won’t be as perfect as a $100k Cine lens. Since I've gotten into video, I agree that it's time for parfocal lenses to come back. Before the Cine versions were announced and released, the stills lenses were popular for filmmakers given their low price point, fast speed and optical performance. An overview of SIGMA’s CINE LENS series. High-end broadcast camera lenses and some cinema lenses are traditionally parfocal. Parfocal Super 35 Cine Zooms for less than $5K a Pair? Cine lenses are also parfocal lenses. And in the world of zoom lenses, focus breathing is usually quite evident. On the other hand, if layers of glass have to perform equally well… [Cine Lens] Precise Film-grade Mechanical Control. Virtually all photo zooms are NOT parfocal, because they were never designed for continuous video work. DZOFILM is out to change this with its affordable cinema zoom lens offerings. What photo lens have you used that is parfocal? Faithful and natural color restoration & skin-friendly. Please enable javascript for your best B&H experience. In general, a perfectly parfocal lens production is nearly impossible. Introducing the first of its kind, parfocal cinema zoom MFT lens, the 20-70mm T3.1 MFT Cinema- Style Zoom Lens! They provide the cinematographer an … Although parfocal lenses can have some small focus changes, the amount is minimal and you can keep overall focus consistency throughout the zoom range. “Parfocal” is appreciated in astrophotography and helps drive costs & better captures. A parfocal lens system is a lens that maintains its focus despite changes in the lenses focal length or magnification. Parfocal Ultra-Wide Cine Zoom. We close every Friday evening to Saturday evening for Shabbos. The email address you entered was an invalid email. He holds an M.S. Parfocal lenses were a holy grail prior to autofocusing, when the typical method of getting sharp manual focus was to zoom in, focus, and zoom back out to … There are a few DSLR lenses that work great for video like Canon’s 70-200 f/2.8 Non-IS and the Panasonic 7-14 f/4. A parfocal cine lens, the DZO Pictor 20 to 55mm T2.8 Super35 Parfocal Zoom Lens features a relatively fast maximum aperture of T2.8 with an aperture range of T2.8 to T22.As you would expect from a cinema-style zoom, the lens is parfocal, meaning it holds focus throughout the zoom range. A parfocal cine lens, the DZO 10-24mm T2.9 MFT Lens from DZOFilm is designed to maintain focus as you zoom in or out. The best thing, and a valid feature for labeling this lens a cine zoom, is the fact that the Canon CN-E 18-80mm hold focus throughout the zoom range, in technical speak the lens is parfocal. Duclos Lenses – $250 for a full cine-mod, and $409 for a cine-mod plus mount change (you need to contact them for Sony E-mount at present) GL Optics – they also provide casing modifications, and the prices run greater than $3,000 per lens. Forming ”Muscle” for Professional Operation. High-end broadcast camera lenses and some cinema lenses are traditionally parfocal. This lens is ideal for the latest digital cine cameras. - Sony 24-70mm GM The DZOFilm DZO 10-24mm T2.9 Parfocal Cine provides an ultra-wide zoom range that’s perfect for capturing sweeping cityscapes and landscapes, and its twelve-blade aperture produces pleasing bokeh. Although parfocal lenses can have some small focus changes, the amount is minimal and you can keep overall focus consistency throughout the zoom range. Every Pentax zoom lens I have ever purchased, stating from the mid eighties. A parfocal cine lens, the DZOFilm Linglung Lens Series is designed to maintain focus as you zoom in or out. Cine Zoom Lenses Sony FE As you'd imagine, Sony makes its only quality glass with some great full-frame options for stills and video both prime and zoom. With the advent of autofocusing, the technique of zooming in to focus was overcome by the technology, so manufacturers could safely give up parfocal designs. Not many lenses are parfocal for the price and performance of the DZO. - Canon 70-200mm II Parfocal Ultra-Wide Cine Zoom. Also: "EF zoom lenses with Super Inner Cam focusing, which include most of the non-L zooms introduced from 1990 onwards as well as the EF 35-350mm f/3.5-5.6L USM and the EF 100-400mm f/4.5-5.6L IS USM, are not parfocal." Usually, with budget cine lenses, there’s quite a few compromises to make. Parfocal Design focus remain the same during zooming in or out No matter from close-up to wide shot， Or rapidly zoom out to long shot, Under parfocal design, focus keeps unchanged

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