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Latest Review Posted	Pentacon Auto MC 135mm F2.8 My copy is the second edition (electric, 6 blades) in bad shape. The optic elements are scretched and The diaphragm is in bad shape too and a bit rusty so the aperture modification is not instantaneous when closing it. I must wait 1 or 2 seconds for the diaphragm to close at the chosen aperture. The scratches don't seem to affect IQ. The focus ring is a bit hard but still useable. At full aperture the image is a bit soft but still decent. I'd like to try out one in good shape though (the 15 blades one). The bokeh is very nice. Lumix GX-80 - @ f/2.8 https://www.pentaxforums.com/gallery/images/106755/large/1_15774951_10211789569873930_8526983950877496637_o.jpg

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