jcolwell Offline Upload & Sell: On
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bushwacker wrote:
So tell me the real deal with zeiss 2/135 vs rokinon 135? It's $1,500 vs $500.... Forget about build quality... Is zeiss way ahead in IQ department.
Apparently, the Rokinon is very, very sharp, has very little to no CA (APO or APO-ish) and has fine bokeh, but there is an issue with flare in some limited situations.
Anyone else shooting a Samyang/Rokinon 135 have this issue? https://www.fredmiranda.com/forum/topic/1469987/0#13878423
A review of the cine version of the Rokinon 135/2 (135/2.2) at the photozone shows that it has excellent IQ (MTF), but the Canon 135/2L is slightly better (using the same tests).
PZ EF 135/2L, http://www.photozone.de/canon_eos_ff/430-canon_135_2_5d?start=1
Rokinon 135/2.2, http://www.photozone.de/canon_eos_ff/899-samyang135T22eosff?start=1
Unfortunately, PZ has not yet tested the CZ Apo Planar 135/2 (now called "Classic" by Zeiss).
TDP allows you to directly compare the Rokinon 135/2 with the CZ Apo Planar 135/2 ZE: the ZE might be a bit better here, but maybe not - they're very close.
TDP Rokinon 135/2 and CZ Apo-Planar 135/2, http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=924&Camera=453&FLI=0&API=0&LensComp=1058&Sample=0&CameraComp=453&FLIComp=0&APIComp=0
When using the Lens Image Quality app at TDP, make sure you're using the same camera for both lenses; most are tested with the 1DsIII, some are tested with the newer 5DS R, and some (incl. the Rokinon/Samyang) are tested with both cameras.
OTOH, many important performance aspects of a fast lens can't be easily tested, like the MTF/resolution tests cited above. I'm itching to get a fast 135 (again), but it'll probably be the Zeiss, because it 'matches' my other ZE f/2 lenses at 25mm, 35mm, 50mm, and 100mm, or the Canon, which is the lightest, has the shortest MFD, and has very fast AF.
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