View previous topic :: View next topic |
Author |
Message |
Attila
Joined: 24 Feb 2007 Posts: 57865 Location: Hungary
Expire: 2025-11-18
|
Posted: Mon May 08, 2017 8:22 pm Post subject: Tamron SP lens help request |
|
|
Attila wrote:
I sold my Tamron SP 70-150 f2.8 SP soft focus lens. Buyer did return it, because apperture visible at F2.8 with any adaptall mount , blades are close less than half F STOP. Is any of you you experienced similiar before ? I saw similar sometimes on other lenses I remember for Russian primes. I will try meassure is it impact real F stop value or not. _________________ -------------------------------
Items on sale on Ebay
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
|
|
Back to top |
|
|
visualopsins
Joined: 05 Mar 2009 Posts: 10961 Location: California
Expire: 2025-04-11
|
Posted: Mon May 08, 2017 9:07 pm Post subject: |
|
|
visualopsins wrote:
Do blades open fully without mount attached (just checking )? _________________ ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
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)
|
|
Back to top |
|
|
Attila
Joined: 24 Feb 2007 Posts: 57865 Location: Hungary
Expire: 2025-11-18
|
Posted: Tue May 09, 2017 2:14 am Post subject: |
|
|
Attila wrote:
yes, without mount they do. _________________ -------------------------------
Items on sale on Ebay
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
|
|
Back to top |
|
|
visualopsins
Joined: 05 Mar 2009 Posts: 10961 Location: California
Expire: 2025-04-11
|
Posted: Tue May 09, 2017 3:19 am Post subject: |
|
|
visualopsins wrote:
With mount, set aperture to 2.8, zoom to 150mm; full open now? _________________ ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
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)
|
|
Back to top |
|
|
Attila
Joined: 24 Feb 2007 Posts: 57865 Location: Hungary
Expire: 2025-11-18
|
Posted: Tue May 09, 2017 4:18 am Post subject: |
|
|
Attila wrote:
visualopsins wrote: |
With mount, set aperture to 2.8, zoom to 150mm; full open now? |
no less than half stop closed I dont remember for zoom important ? _________________ -------------------------------
Items on sale on Ebay
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
|
|
Back to top |
|
|
stevemark
Joined: 29 Apr 2011 Posts: 3943 Location: Switzerland
|
Posted: Tue May 09, 2017 9:24 am Post subject: |
|
|
stevemark wrote:
I'm outdoors right now, but i'll probably have access to my SP 2.8/70-150mm SoftFocus this evening. I'll check it.
Might it be a problem of the Adaptall adapter?
Stephan _________________ www.artaphot.ch |
|
Back to top |
|
|
hoanpham
Joined: 31 Jan 2011 Posts: 2575
Expire: 2015-01-18
|
Posted: Tue May 09, 2017 10:31 am Post subject: |
|
|
hoanpham wrote:
It should be full open, but the adapter can be the cause. I have one adapter that is not fully open. |
|
Back to top |
|
|
marcusBMG
Joined: 07 Dec 2012 Posts: 1315 Location: Conwy N Wales
|
Posted: Tue May 09, 2017 1:19 pm Post subject: |
|
|
marcusBMG wrote:
I had a problem like this with an 01B (24mm). The little wheel that is pushed on by the plate on the adaptall mount, and that actuates the iris, is mounted on a wee bracket that can get slightly bent. Staightening this bracket (or replace it, it's a standard part) fixed things - quite easy to do, you need to remove the mount. Watch out for tiny little shim washers sandwiched between the layers.
Aha - found the pic. Bracket and wheel arrowed.
_________________ pentax ME super (retired)
Pentax K3-ii; pentax K-S2; Samsung NX 20; Lumix G1 + adapters;
Adaptall collection (proliferating!) inc 200-500mm 31A, 300mm f2.8, 400mm f4.
Primes: takumar 55mm; smc 28mm, 50mm; kino/komine 28mm f2's, helios 58mm, Tamron Nestar 400mm, novoflex 400mm, Vivitar 135mm close focus, 105mm macro; Jupiter 11A; CZJ 135mm.
A classic zoom or two: VS1 (komine), Kiron Zoomlock... |
|
Back to top |
|
|
Attila
Joined: 24 Feb 2007 Posts: 57865 Location: Hungary
Expire: 2025-11-18
|
Posted: Tue May 09, 2017 3:16 pm Post subject: |
|
|
Attila wrote:
Thank you to all of you!!! Looking forward more experience! _________________ -------------------------------
Items on sale on Ebay
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
|
|
Back to top |
|
|
stevemark
Joined: 29 Apr 2011 Posts: 3943 Location: Switzerland
|
Posted: Thu May 11, 2017 11:52 am Post subject: |
|
|
stevemark wrote:
Attila wrote: |
Thank you to all of you!!! Looking forward more experience! |
I just got the message that my Sony A mount "Adaptall-2" has arrived at the post office, which means that i can answer your question tomorrow in more detail (i'll have to pick it up at the post office).
Stephan _________________ www.artaphot.ch |
|
Back to top |
|
|
stevemark
Joined: 29 Apr 2011 Posts: 3943 Location: Switzerland
|
Posted: Sat May 13, 2017 7:45 am Post subject: |
|
|
stevemark wrote:
I have checked my Tamron SP 2.8/70-150mm Soft Focus with several Adaptall-2 adapters, and at all focal lengths. The aperture at the setting "2.8" is always completely open.
I hope that helps to clarify the situation.
Stephan _________________ www.artaphot.ch |
|
Back to top |
|
|
Attila
Joined: 24 Feb 2007 Posts: 57865 Location: Hungary
Expire: 2025-11-18
|
Posted: Sat May 13, 2017 1:05 pm Post subject: |
|
|
Attila wrote:
Thank you!! _________________ -------------------------------
Items on sale on Ebay
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
|
|
Back to top |
|
|
|
|
You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum
|