|Posted: Thu Dec 31, 2020 4:52 pm Post subject:
Yes same symptom as too-thick adapter. However adapter working with other lenses proves adapter is not too thick. Thus problem is with lens. Is there a gap between adapter and lens? Maybe something blocking lens from fully screwing onto adapter? If no, then maybe lens focus has been de-adjusted.
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Cameras: Sony A7Rii, Spotmatics II, F, and ESII
M42 Asahi Optical Co., Lenses: S-M-C Takumars 1:4.5/20 & 1:2/35, SMC Takumar 1:1.4/50, S-M-C Takumars 1:1.8/85, 1:3.5/135, 1:2.5/135 (II), 1:4/200, 1:4.5/500, & S-M-C Macro-Takumar 1:4/100
M42 Asahi Optical Co., Lenses: Auto-Takumar 1:2.3 f=35, Super-Takumar 1:2/35 (Fat), Super-Takumar 1:1.4/50 (8-element), Auto-Takumar 1:2 f=55mm, Tele-Takumar 1:5.6/200, Tele-Takumar 1:6.3/300
Nikon Nikkor AI-S 35-135mm f/3,5-4,5, Tamron SP 51B 17mm f/3.5, Tamron SP 55BB 500mm f/8, Tamron SP 19AH 70-210mm f/3.5