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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Canon FL 50mm f1.4 II

Filter Size:
Lens mount:
Aperture Range:
Close Focus:
Macro Ratio
Year Introduced:
Tested with...
58mm
Canon FL Breech
f1.4-f16
.6 meters
1:9.9
1968
Eos M3 - APS-C
Let me start by saying this lens is better than people say it is. Focus dampening is good despite its age. Aperture is still positive and snappy. It's made very well. On the Eos M3 it handles very well. Focusing is easy and it's not too heavy.
Sharpness and contrast at f1.4 are quite acceptable. At f2 it sharpens up slightly and it's crisp at f4.
Color rendition from f2 up is very accurate. At f1.4 is renders bluish. Backlight causes a loss of contrast and overexposed areas are shifted toward blue. Fringing is practically non existent and that is impressive for a lens of its era being used on a digital body.
Vignettting is visible at f1.4 and f2. It is gone by f2.8
Bokeh is super smooth at f1.4 and with the vignette it takes on a dreamy look. Bokeh fringing can be seen at f1.4 thru f2.
Flare represents as multicolored hexagonals. The sample pic below was shot directly into the sun; directly.
One thing these vintage lenses excel at is black and white and this lens does an excellent job. Shadow detail and tonality are excellent.

ISO 1600 - f2

ISO 1600 - f2 - simple b/w conversion

ISO 1600 - f1.4 - 100% crop

ISO 400 - f1.4 & f4

ISO 800 - f1.4 & f2.8

ISO 200 - f1.4 - 100% crop

ISO 200 - f2.8 - 100% crop

ISO 200 - f1.4 - simple b/w conversion

ISO 200 - f1.4 - backlit - 75% crop

ISO 200 - f1.4

ISO 200 - f5.6

bokeh fringe - f1.4 - click to view

bokeh fringe reduced - f2 - click to view

bokeh fringe gone - f2.8 - click to view