![]() This has always been my finding – that fast lenses shot stopped down to the equivalent wide open aperture for other lenses, render larger blur disks. is the smoothest rendering of the bunch and at f/2 has larger blur disks than the Zeiss Planar T* 50mm f2 ZM. The two backlit scenes include images shot from wide open until f/5.6 while the third scene includes from wide open until f/2.8. Low rez files are shown below for wide open performance of each lens.įull 18MP Jpegs can be downloaded from the links at the bottom of the page. The third scene was in open shade at about 1m. ![]() Up first are two backlit scenes shot at 1m and 1.5m. Standard Lightroom sharpening was applied. No additional shadow recover, clarity, saturation,lens profiles, chromatic aberration correction, etc. Only the 1.5m scene had some exposure compensation and curve tweaks applied in post to compensate for a somewhat darker metering by the camera. DNG files were converted in Lightroom 4.4, set to the same WB for all scenes, as were exposures. Since this is primarily for bokeh quality analysis, trying to nail perfect focus, or compensating for focus shift (common in a number of the lenses) was not a priority (though I did attempt to adjust for focus shift with the Zeiss-Opton). ![]() There is some shot to shot variation because it was slightly windy. The set-up: Camera was on a tripod and lenses were rangefinder focused on a specific target to the best of my ability. Voigtlander Nokton classic 40mm f1.4 (multicoated version – while not 50mm, added for kicks) (modern) Zeiss-Opton Sonnar T 50mm f1.5 (Contax rangefinder lens in Amedeo Contax-Leica adapter) (post WWII)Įrnst Leitz Summarit 5cm f1.5 LTM (1950s) ![]() Voigtlander Nokton 50mm f1.5 Aspherical LTM (note that the link is the second version of this lens, but I tested the first version, with the ‘same’ optics, though apparently different, not as effective coatings) (modern)Ĭanon 50mm f1.4 LTM (late 50s, early 60s) Lenses in the shootout, in the order they appear below: Some will focus closer, but in order to keep the results consistent, 1 and 1.5m were chosen. This isn’t a definitive 50mm test in the least, rather, an opportunity to give a quick ‘bokeh’ impression of a number of 50mm lenses available for the Leica M mount, shot at 1 and 1.5m distances common to all of the lenses. ![]()
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