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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Chinar 35mm f2.8
Filter Size:
Lens mount:
Aperture Range:
Close Focus:
Macro Ratio
Year Introduced:
Tested with...
n/a
Pentax K
f2.8-f22
.7 meters
n/a
n/a
Eos M3 - APS-C

This lens is much like its 28mm brother. That review can be seen here.
It is soft wide open but quite usable by f5.6. Contrast is a bit low. Fringing will occur at wide apertures. Distortion is well controlled but vignetting is obvious at f2.8. Color rendition is on the cool side. I suggest custom white balancing with this lens.
It was very difficult to focus w/out magnified assistance and that only helped a little.
Flare was not tested. I assume it will be significantly affected by stray light.
Boken fringing is well controlled and this is typical of wide angle lenses that do not have macro capabilities.
As a budget lens it is a good performer and better than I expected.

ISO 400 - f5.6

ISO 400 - f5.6 - 100% crop

ISO 400 - f5.6

ISO 400 - f2.8

ISO 400 - f5.6

ISO 1000 - f2.8 - 50% crop

ISO 400 - f2.8 - vignetting

ISO 400 - f5.6

bokeh fringe - f2.8

bokeh fringe - f4

bokeh fringe - f5.6 - edge