Samyang to announce a 14mm f/2.8 RF and 85mm f/1.4 RF soon

Canon Rumors Guy

EOS 1D MK II
Jul 20, 2010
7,407
234
Canada
www.canonrumors.com
Samyang has plans to announce 8 new lenses by the end of Q2 in 2019. The first lens they announced was the 10mm f/3.5 for the EF mount yesterday.
It now that Samyang will launch two new manual focus lenses for Canon’s RF mount very soon.
The two lenses coming will be a 14mm f/2.8 RF and an 85mm f/1.4 RF, as mentioned earlier, these are both manual focus lenses.
We’re not sure if these are simply mount conversions of existing lenses or new optical designs.





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1Zach1

EOS T7i
Dec 3, 2013
68
48
Well I was planning on getting the EF 14mm version, but I’ll wait and see how these come out.
 

BeenThere

EOS 6D MK II
Sep 4, 2012
819
150
The OP photos of the lenses appear to have built in extensions to account for the RF flange distance difference from EF. So probably the same old optical formula with a new mount and MF.
 

Tom W

EOS 80D
Sep 5, 2012
141
64
Strange then that they are using the older manual focus optical design and not their newer AF one.
They probably don't have the technology to do AF on the RF mount yet. They're barely getting into AF on the EF mount.

Just a thought - as noted earlier, they seem to have taken the EF lens and put a different mount on it. The 14 mm in particular would benefit greatly from the shorter flange distance, which would require much less retrofocus in the design.
 

bergstrom

EOS 80D
Feb 23, 2015
120
14
so samyang made manual, then moved to Af and now ith the ef they're going back to Manual? A few steps back isn't it for them? Prob best just to splash out and get a proper AF lens.
 

flip314

EOS 80D
Sep 26, 2018
103
104
so samyang made manual, then moved to Af and now ith the ef they're going back to Manual? A few steps back isn't it for them? Prob best just to splash out and get a proper AF lens.
Manual focus won't matter for the 10mm and probably the 14mm since the DOF will be so great (in most cases you can either focus as close as possible, or at some rough estimate of the hyperfocal distance)

For the 85mm it is a big issue.

Incidentally, I wonder if the APS-C version of this lens registers as a FF lens on the RP? Third-party lenses may let you get away with using a crop lens in 4K which is otherwise disabled on that camera.
 

FramerMCB

Canon 40D & 7D
Sep 9, 2014
330
40
51
But either on the R or RP won't it be easier to manually focus lenses than on a DSLR? I hear that is one of the benefits of mirrorless...
 
Reactions: JoFT

SwissFrank

EOS 80D
Dec 9, 2018
177
64
The 14 mm in particular would benefit greatly from the shorter flange distance, which would require much less retrofocus in the design.
TOTALLY agreed. Any lens wider than 50mm can be substantially smaller, lighter, cheaper, and sharper when it's a non-retrofocus design. (Retrofocus means the lens has, on top of all the other factors it's balancing, a requirement to have a huge distance between the back of the lens and the sensor to allow the flipping mirror. When you add that iron requirement for SLR lenses, every other factor instantly gets worse.)
 
Reactions: JoFT

SwissFrank

EOS 80D
Dec 9, 2018
177
64
Manual focus won't matter for the 10mm and probably the 14mm since the DOF will be so great (in most cases you can either focus as close as possible, or at some rough estimate of the hyperfocal distance)
PRETTY MUCH agreed. At f/2.8, you can certainly focus a 14mm wrong, but the hyperfocal at f/2.8 m is: focus at 2m30cm, and everything from 1m15cm to infinity is in focus. At f/8, focus at 80cm, to get 40cm to infinity. (Here's a table: https://www.photopills.com/calculators/hyperfocal-table)

A little off-subject but I've always thought that "Hyperfocal" would be a useful focus mode. As you adjust f-stop or zoom, it adjusts the focus to compensate, and displays the resulting near distance in the viewfinder. Related would be a mode to focus on near and far subjects, and have the camera focus to get them both and to adjust f-stop as well. (I seem to recall something like that on the EOS-3, but may be confusing with the multi-spot spot-metering.)
 

jedy

EOS T7i
Feb 14, 2014
78
14
Strange then that they are using the older manual focus optical design and not their newer AF one.
Any third party lenses for Canon will have reverse engineered autofocus. I doubt Samyang has worked out the R mount autofocus yet and reverse engineering will never beat native autofocus for reliability. Also, don’t expect Zeiss to produce R mount autofocus lenses. Sony share their autofocus technology which is why that mount has autofocus lenses from Zeiss.