Zamo
Joined: 08 Feb 2019
Posts: 168
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 Posted: Tue Mar 23, 2021 11:24 am Post subject: Olympus 50mm 3.5 macro cleaning |
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Zamo wrote:
Hi all. I have a thing (part of the inside cever of some piece?) in the inside side of the second glass from behind. This macro lens has only two glasses behind the blades, so it would on the side of the glass that faces the blades. I have removed the first glass (from behind), but cannot take the second one out. There is a retainer ring? with a little triangular hole on a side, but it does not seem to be there to unscrew it.... I think I have to access from the other side. In that case, I would not need to remove the glass, just access it from the blades side... but I really don't know how to get there. So, before starting to open the mount pieces to see if I can do that, I came here to ask. Any ideas on how to get to that part, or how to take out that second glass?
Marked in red, the small triangular dent.
Thank you so much! |
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visualopsins
Joined: 05 Mar 2009
Posts: 11040
Location: California
Expire: 2025-04-11
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| Posted: Thu Aug 22, 2024 5:15 am Post subject: Re: a few years late but i found this that helped me :) |
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visualopsins wrote:
| sabawa wrote: |
| https://yossyheim.com/zuiko-macro-50mm-f3-5-repair |
Welcome sabawa!
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Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX-A ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (151B), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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