SIGMA to address their RF mount plans in early 2020 [CR2]

Mar 31, 2014
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Center of my universe
Thank you, SecureGSM. I want to buy a fast 20mm with good coma control. I am sure Sigma will produce some unique, fast lenses (especially since Sigma is taking so long) but realistically, I doubt that an improved 20mm is likely.
 

SecureGSM

2 x 5D IV
Feb 26, 2017
2,376
1,244
Thank you, SecureGSM. I want to buy a fast 20mm with good coma control. I am sure Sigma will produce some unique, fast lenses (especially since Sigma is taking so long) but realistically, I doubt that an improved 20mm is likely.
Apparently, the new Sigma 85/1.4 Art DN (Sony E mount) is excellent. smaller, sharper then the old 85/1.4 art, creamy bokeh. with lenses as wide as 20mm on RF mount, there is still likely some room for Improvements... lets wait and see :)
 

SecureGSM

2 x 5D IV
Feb 26, 2017
2,376
1,244
Sigma Livestream Announcement on August 6th (85mm f/1.4 DG DN Art Lens)

The design ideas, MTF charts, methodologies, process and materials used, presented by Kazuto Yamaki, CEO of SIGMA Corporation, Japan. not strictly relevant to RF mount but certainly is an indication of what we can expect from Sigma lenses specifically designed for the RF mount in a future.
 

3serious

I'm New Here
May 13, 2019
17
38
I'd love to see a sigma 135 1.8 in RF mount. I am tempted to pick up and adapt their EF mount 135, but I want native glass only moving forward.
 

rightslot

EOS M50
Aug 22, 2018
26
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I'd love to see a sigma 135 1.8 in RF mount. I am tempted to pick up and adapt their EF mount 135, but I want native glass only moving forward.
3serious,

I certainly agree with your thoughts. I had the Sigma 135 Art for my Nikon Z7 and it was FAB! Now that that EQIP is gone (sold and waiting for R5 :-( ] I REALLY hope they will make a 135 for the R5 and hope it may be smaller. These lenses are getting TOO BIG.

YES, you cannot cheat physics, but we can engineer to be inherently smaller.
 
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