Quantaray 500mm f8 Mirror
Most Quantaray lenses were made by Sigma and some were made by Tamron and Tokina. This lens performs like a Sigma Mirror lens. It is reasonably sharp if you can hold it steady. It has the typical ringed bokeh we see from mirror lenses. Contrast is surprisingly high. While it is not a Zeiss or even a Tamron in quality, it is still far better than any of the off-brands flooding the market.




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Nikon Series E 50mm f1.8
Filter Size:
Lens mount:
Aperture Range:
Close Focus:
Macro Ratio
Year Introduced:
Tested with...
52mm
Nikon Ai-S
f1.8-f22
.6 meters
n/a
1979
Eos T2i

Ai-S mount pancake lens, introduced with the Nikon EM. There were two versions of this lens. The first version is all black. The 2nd version has a chrome index ring. I tested the black version.
The focus ring is small compared to the normal 50mm lens, but it feels like a Nikon lens. At f1.8 the lens shows some vignetting and contrast is a little soft. Vignetting is gone by f4. Contrast firms up at F2.8. Sharpness is excellent from f2.8 up. At f4 and F5.6 it is tack sharp. No noticeable fringing. Bokeh is smooth and stays smooth even at f16. It would work well for video.

ISO 200 - f4 - 100%crop

ISO 200 - f4 - 75% crop