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p.1 #2 · Zeiss ZF 21-25-28 the pro's and the con's | |
Frank- If I may ask, what specifically would you be using the lens for? Would it be for essentially the same types of uses as the 35/2? If so, are the focal lengths a little close? Would the 25 or 21 be a better choice for that perspective? The 28/2 is fast, but has noticeable field curvature which might limit it for some uses.
Of the 3 lenses (21, 25, 28) the 21 is objectively and technically the best. It's only downsides are cost and size. Also, is you thinking 28mm, might the 21mm be too wide? Comparatively, the 25mm is noticeably more compact than the 21, not as wide (obviously) and significantly cheaper. It also has better flare resistance than the 21mm. It is sharp, particularly stopped down, but generally a step off the pace of the performance of the 21mm wide open and in the corners. Still, it is quite good (the 21mm's performance is quite a standard to meet).
I also have the ZF 35/2, 50MP and 100 MP and I have the 25mm to go with them. Less close to the 35/2 in focal length than the 28, lovely IQ and flexible in its uses (including very close focusing ability). Of course, I got the 25mm before the 21mm was available, and might have chosen it instead (wallet permitting), but i have to say that I have been quite pleased with the ZF 25. I hope this helps.
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