I'm looking at these lens tests with interest, I guess this one is behaving like a 200mm.
Do you have any control over the aperture, or are you stuck shooting "wide open"?
25 Feb 2012 11:50am
@Curly: Aperture is manual. I set it with the aperture ring on the lens. The speed is determined by the camera. It works pretty decent. I have to admit that I love a picture with lots of sharpness and details, and I am willing to trade autofocus to get that...
This old lens that I am playing with (a Takumar Pentax 50 mm f1.4) will not stop down when mounted on the body. There's a mechanism that gets in the way, it works fine on the end of extention tubes though. I'm planning on sawing off and filing away this older "auto aperture changer" so that I can get full control on my Pentax K100D.
26 Feb 2012 9:13pm
@Curly: I never had a Takumar, and with the manual lenses I had/have I did not have that issue...
There is a community of Pentax users that might give you some advice - I really appreciated them when I needed it.
If I set the camera on Av, the lens would not stop down. But if I set it on manual (M) it works just fine, but fully manual. Have you set yours on M?
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PENTAX K-71/15 secondF/0.0ISO 800135 mm
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