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MTF-charts for lenses by Canon,
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Autor: Sergei Borodin
5 0 2047
5 1 3993
Autor: Sergei Borodin
5 0 2840
5 0 1107
Owner reviews: Asahi Super-Takumar 50 mm f/ 1.4
Nearly as good as the newer SMC version overall; perhaps even slightly better bokeh (which is awesome), but not quite as sharp (even after UV treatment). Very well made, smooth operating, and just a nice lens overall.
At least my copy had serious radioactive yellowing. This not only added a tint, but actually prevented the lens from getting sharp focus on anything. After UV treatment, it is mostly cleared and can focus, but still isn't quite as sharp as the SMC version. I wonder how much the chemical make-up of this lens has been changed by radioactive decay over the years....
Flare handling is just ok.
The radioactivity isn't scary, but this does seem to be one of the hotter lenses, and I'm not sure UV cleaning can be 100% effective in restoring to original performance levels.
PS: mine is the later version.
- It’s sharp from opened apertures
- Excellent focusing ring motion
- Pleasant to the touch
- In my own opinion this lens excels Canon 50/1.8 in focusing accuracy
- Light weight
- Metal or iron-hard
this lens is radioactive because it gives 180 micron / hour point-blank nad 20 micron / hour for . back lens and everything in 15 cm radius (with viewfinder)
this lens often makes overlighting on the sunlight in the work with the skin in contrast with another optics.
I’m in love with this lens but in the same time I’m afraid of it. When you take it in your arms you understand that it’s really great thing! It’s small and confident. This lens is very good for shooting at home or while walking, but it’s bad for the shooting with the bright sun light. In macro shooting, using macro rings, the lens unexpectedly behaves itself as sharp and pleasant lens. Having 1.4 aperture it loses its sharpness, when jamming aperture ring by one point (it does not have any intermediate values, it seems to be the value 2) the lens gets the sharpness again. In general, it’s your decision to use it or not. The radiation has unnoticeable; impact. It’s hard to get rid of this lens because the pictures it gives are too beautiful! P>