agent_cooper
Joined: 06 Oct 2010
Posts: 139
Location: Germany
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 Posted: Mon Dec 05, 2011 9:14 pm Post subject: fungus? opinions welcomed |
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agent_cooper wrote:
Hello gentlemen,
i received a used lens, which shows some unusual traces.
My guess is fungus. Shall I be worried?
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MF: Samyang 3.5/8mm Fisheye, Komine Vivitar 1.9/35mm, Komine Vivitar 2.8/90mm 1:1 macro
CCCP: Helios 44-4, Helios 40-2.
ZUIKO: 2.8/35mm, 1.8/50mm
ZEISS C/Y: 2.8/25 MM, 1.4/50 MM, 1.4/85 MM, 2.8/135 MM.
TILT&SHIFT:Canon 3.5/24mm TS, Arax 2.8/80mm TS.
AF: Canon 1.8/85mm, Tokina zoom 2.8/11-16mm, Tokina zoom 2.8/28-70mm Canon zoom 70-300mm.
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visualopsins
Joined: 05 Mar 2009
Posts: 11019
Location: California
Expire: 2025-04-11
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| Posted: Mon Dec 05, 2011 10:07 pm Post subject: |
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visualopsins wrote:
That's an auto-focus lens!
There are disassembly/repair guides online for the plastic fantastic 50/1.8; this looks like another lens.
EF lens on EF-S body, whatever it is, most of the shadow will fall outside the sensor perimeter, probably no effect whatsoever.
It will show in boleh highlights.
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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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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Mon Dec 05, 2011 10:22 pm Post subject: |
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Attila wrote:
| ManualFocus-G wrote: |
| Looks more like dust / muck with a small bit of haze than fungus to me. |
+1 but easily start fungus growing on it.
Store it properly on low humidity , bellow 60% 40-50% allow to light throw and enjoy , fungus will never grow.
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Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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