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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Focal 135mm f2.8
Filter Size:
Lens mount:
Aperture Range:
Close Focus:
Macro Ratio
Year Introduced:
Tested with...
52mm
Minolta SR
f2.8-f22
1.5 meters
n/a
n/a
Eos M3 - APS-C
Here we have yet another 135mm lens from the 80's. This is a consumer grade lens that was sold by Kmart. The manufacturer is unknown.
It is built solid and heavy. Focus is well dampened. It is a bear to use on the EOS M3.
At f2.8 it is reasonably sharp. It does suffer from fringing and contrast is a bit soft.
The light was quite bad today so I will do further testing of this lens. So far it looks like the typical 135mm from the 80's.
f2.8
f2.8
f2.8 & f4 - 100% crops
f2.8
f2.8
f2.8 - 100% crop - fringing