bvf Posted April 7, 2021 Share Posted April 7, 2021 Here is a simple test of how the Samyang 14mm f/2.8 works with a Baader U. This lens is an ultra-wideangle (rectilinear) lens for full frame – on an APS-C sensor it is not so exciting. The two images are WBed as for a Focotar-2: I was not able to do a custom WB for the Samyang shot using RawTherapee as RawTherape was reporting no green channel. The shot using the Samyang required about 40x the exposure for the Focotar-2. Samyang (cropped to match Focotar-2 image): Focotar-2: The difference is obvious. The Samyang shot is much more monochromatic indicating that it is passing only a part of the UV range that the Focotar-2 passes. So I would conclude that the Samyang 14mm is not really suitable for UV photography. (Not surprising as it has 14 elements in 10 groups.) Link to comment
OlDoinyo Posted April 7, 2021 Share Posted April 7, 2021 Indeed. A 14/2.8 that was UV-capable would have been epic news. Link to comment
Andrea B. Posted April 7, 2021 Share Posted April 7, 2021 Bernard, given that this is not a technical assessment (like your other work) of the Samyang 14/2.8, I am not sure this is the place for it. Link to comment
StephanN Posted April 7, 2021 Share Posted April 7, 2021 Indeed. A 14/2.8 that was UV-capable would have been epic news. Such a lens would make for a very beautiful Christmas present I've tried the Walimex-version some time ago and got a similar result. Link to comment
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