http://www.bhphotovideo.com/c/product/1132699-REG/rokinon_100m_e_100mm_f2_8_full_frame.html
Its a zoom lens with electronic contacts.
Well see what they bring to the table now ;) a fully manual 24-70 f2.8 thing would be nice! I don't think they will bring autofocus yet...
100mm Macro lens
http://www.bhphotovideo.com/c/product/1132699-REG/rokinon_100m_e_100mm_f2_8_full_frame.html
Cine modification
Macro Telephoto Manual Focus Lens
Samyang Optics 100mm T3.1 VDSLR ED UMC MACRO is a macro telephoto manual focus cine lens designed for full frame sensor sizes. The maximum close-up magnification is 1:1. This macro lens with vivid color and soft out-focusing is the best lens for close-up images of flower and insects. It also can be used as a 100mm telephoto lens for landscapes and portraits.
VDSLR Cine Lens Features
Samyang 100mm T3.1 VDSLR ED UMC MACRO allows more delicate video work with T number marks. The focus gear ring is installed for follow focus system. You may change the aperture quietly and smoothly with the uncoupled aperture gear rings. Also, distance scale and T numbers are marked on both sides of the lens for convenience.
Optical Features
Samyang 100mm T3.1 has a low F number of T3.1. You may control the lens precisely when shooting under various exposure environment including relatively dark or too bright situations This lens features 15 lenses in 12 groups especially including a high refractive lens (HR) and extra low dispersion lens (ED) to minimize color aberration and unnecessary light dispersion in order to offer high resolution throughout the image. Ultra Multi Coating (UMC) of Samyang Optics is used to optimize the light penetration and minimizes flare and ghost. With such optical construction, it has 0.307m of minimum focal length to film subjects in a very near distance.
Hardware Features
There are 9 aperture blades designed to be almost as a full circle when aperture is closed which expresses starlike ray clearly and beautifully. The frame of the lens is compact and solid since it is made of high-strength aluminum alloy so you can create trustworthy images. Also, detachable petal-shaped lens hood minimizes flare and ghost by sheltering lens from unnecessary lights. Available for 10 camera mounts: Canon EOS, Nikon AE, Pentax K, Sony ∝, Canon M, Fujifilm X, Samsung NX, Sony E, FT, MFT.
Samyang Optics VDSLR II Cine Lens Line Up
Samyang 100mm T3.1 VDSLR ED UMC MACRO is one of Samyang Optics VDSLR II Cine Lens Line Up for full frame image sensor sizes. The lenses produce the same image color and have a united location of aperture and focus gear ring to maximize the convenience when filming.
http://www.syopt.com/en/camera/photo-lenses-100mm-F2.8-ED-UMC-MACRO.php
I remember reading that the photo versions of the samyang/rokinon/whatever lenses had some pretty hefty focus breathing and also that some had what seemed to be an issue with part of the inner assembly shifting while focusing, so the whole image shifted up or down. Do they still have this, or are they addressed in the cine versions of the lenses, perhaps? Am I out in left field?
I remember reading that the photo versions of the samyang/rokinon/whatever lenses had some pretty hefty focus breathing and also that some had what seemed to be an issue with part of the inner assembly shifting while focusing, so the whole image shifted up or down.
You mixed all into one. Up and down shifting usually happen due to lack of proper lens support or issue with lens mount, not due to lens internal construction.
Focus breathing in some Samyang lenses is due to their design, it is not because they are made bad, it is because they trade presence of focus breathing for better performance (sharpness, etc). As far as I know 35mm lens have heavy focus breathing, other lenses are much better.
If you see enough films you will also notice that focus breathing is present in most of them, sometimes it is very heavy :-)
Up and down shifting usually happen due to lack of proper lens support or issue with lens mount, not due to lens internal construction.
I could see this being an issue, especially since these lenses seem to be quite a bit longer than most. I suppose that is also a trade-off for better performance, as well.
I could see this being an issue, especially since these lenses seem to be quite a bit longer than most. I suppose that is also a trade-off for better performance, as well.
It is nothing to do with this lenses. With any lens of good size and weight it will happen. This is why for any production and 100% if you use FF, you need good lens support (that also prevents for lens to go up, like Varavon one).
@Vitaliy_Kiselev Yes that is what I was saying. But also that these primes seem to be a bit longer than many other primes (trade-off for improved optical design?) which can contribute to the need for support. Looks like a great lens, though.
Do they really know what the talk about?
"… has a low F number of T3.1" seems a bit confusing ;-)
Price going lower
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