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Zeiss ZE Distagon T* 25mm f/2 (Canon EF) - Review / Lab Test

Zeiss ZE Distagon T* 25mm f/2 (Canon EF) - Review / Lab Test | Photography Gear News | Scoop.it

"Several of the currently offered manual focus Zeiss Z-series lenses are based on fairly old designs. However, slowly but steadily we are seeing newly developed lenses like the Distagon T* 35mm f/1.4 and the Distagon T* 25mm f/2. This time we'll have a look at the latter one. The T* 25mm f/2 is available in Nikon F and Canon EF mount. Apart from the lack of AF it is a fully coupled lens so a camera-controlled aperture, focus confirmation and EXIF data is supported. The Distagon is, obvious, a moderate ultra-wide angle lens with typical applications such as landscape, street and architecture photography. It is, of course, not exactly a budget item but it isn't any more expensive than its nearest competitor - the Canon EF 24mm f/1.4 USM L ... which has the advantage of being faster though. The optical design is not identical to the Zeiss ZA 24mm f/2 SSM (for Sony Alpha), BTW."

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The Great 50mm Shootout

The Great 50mm Shootout | Photography Gear News | Scoop.it

"Every so often the Universe realizes I’m getting a little cocky and sends someone to ask me a simple question I can’t answer. It happened again the other day. Michael Plumridge and Peter Lik asked Tyler what the sharpest 50mm lens was. They were shooting on Red Epics with adapters so neither brand, mount, nor price mattered. But they needed to know right away. Tyler told them he’d ask me and give them the answer in a few minutes.
But I didn’t have a clue. I have tons of data on 50mm lenses for Nikon and Canon cameras, but all of that was shot at widest aperture, which is great for finding lenses with problems, but not great for finding which is sharpest at f/4. And we had no factual data for Leica mount lenses because Rangefinder cameras are very difficult to test using programs like Imatest. But when someone like Peter Lik wants an answer and tells you Jim Jannard is curious, too, you get them an answer. So we tested every kind of 50mm lens we had available and got a pretty clear answer by the end of the day.
As always, my first thought when presented with a bunch of work to do is “what’s in it for me”? Turns out not much. Tyler got a beautiful signed picture that hangs in his office so I can see it every time I walk by. I got a nice thank you email. But, I figured if I did all that work, I’d at least make a blog post out of it so I didn’t have to do a bunch of research over the holiday weekend. Wait, I mean, I was certain other people would be interested in what I found, so I thought I’d share the results."

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