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 28mm f2.8
Eos M3- APS-C
Focal brand lenses were sold by Kmart. They were consumer grade lenses made by several third party manufacturers. I've never shot with one until today and the weather was dismal. The lens performed as expected.
The lens' build is all metal. It is a solid piece of gear. Focus is well dampened.
So far I can say it is a little soft wide open but contrast is good. Colors are a bit muddy, though.
Flare is very noticeable.
This lens did very well in the bokeh fringe test. It also focuses reasonably close.
f2.8 - flare
f2.8 - minor fringing
f4 - much better
f5.6 - clean