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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Rikenon P 50mm f1.7
Filter Size:
Lens mount:
Aperture Range:
Close Focus:
Macro Ratio
Year Introduced:
Tested with...
52mm
Ricoh Kr
f1.7 - f16
.6 meters
n/a
1984
n/a
I haven't shot with this lens yet but I am sure it will be tack sharp. I did do a quick bokeh fringe test. Bokeh fringing is essentially gone by f4.
bokeh fringe - f1.7
bokeh fringe - f2.8
bokeh fringe - f4 - edge
bokeh fringe - f5.6 - edge