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Hi All,
I know this has been beaten to death, but I have been thinking about jumping to Leica for the past couple of years but never got around to it, but managed to get a couple of M-mount lenses. Since getting my A7r back last year my Canon 5D3 has essentially sat unused except for a couple of events or I am beginning to debate what to do, but I digress.
I really have been wanting to see just how bad or good the m-mount lenses feel apart on the A7r, actually I was surprised at how well they actually did. I thought I would share the results of my testing might be of interest to some.
The lenses that I tested on the A7r, are the Leica 21mm ASPH 2.8 Elmarit and the Carl Voightlander 50mm 1.5 Nokton with a Metabones Adapter vs the Carl Zeiss 21mm ZE Distagon and the 50mm Makro Planar with the Metabones III Adapter.
The test scene, being completely unscientific in nature was an abandoned factory down the road from my house. The camera was tripod mounted with a Arca Swiss Z1 bullhead and battery grip was used to help dampen any vibration. Not particularly photogenic location, but enough for my test. The camera was set on Aperture priority. Post processing was only matching the white balance and applying sharpening in Photoshop via Nik sharpener. I shot at every full f-stop from wide open to f/16, though I am only posting wide open and f/11 here
First up were the 50mms the scene below. The focus point was the window frame. Focused zoomed in to max.
Af F/2 the 50MP was the clear winner, the Zeiss MP. Sharper in the both the centre and the edge as you can see below. But what surprised me was starting somewhere around f6.3 the results started to reverse the CZ was sharper and showed more details. Below the F/11 crops show the difference. I was surprised at the sharpness of the Nokton as well as the fine details where the zeiss falls apart. Since I shoot landscapes usually at f/8 and f/11 the voightlander wins here for me. Which was a surprise, I had expected the zeiss to wash the floor with the voightlander.
Below is the test scene and a couple of crops.
Full scene shot on the CV50 Nokton
CV 50 at f2 center
CV50 at f2 corner.
Zeiss 50 MP at f/2 center
Zeiss 50 MP at f/2 corner
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