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Sing1970
Joined: 08 Nov 2012
Posts: 3
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 Posted: Fri Dec 14, 2012 4:02 pm Post subject: Should I sell ? |
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Sing1970 wrote:
Hi, all , I am Newbie in this mf forum, THE problem is, I do collect à lot of m42 lenses , but Some of THE Lenses even use an adapter Still can't turn THE aperture ring or use infinity , my gear is Sony A850 , Lenses have problem is , Mamiya sx 28mm f2.8 . 21mm f4 . 135mm f2.5 . And Fujinon 19mm f3.5 .
I would like to keep them originaly and not to shave their rear Side , any other method to use those Lens or just sell it ?
Thank you. |
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Aanything
Joined: 27 Aug 2011
Posts: 2187
Location: Piacenza, Italy
Expire: 2014-05-30
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| Posted: Fri Dec 14, 2012 4:13 pm Post subject: |
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Aanything wrote:
I have the mamiya 28 and shaved it.
When I did that, I was no aware of how good the lens was, since I found it for peanuts at a flea market and didn't know anything about that.
So I grinded it lightheartedly, and now is my fav 28.
Actually for the mamiya 21 and fujinon 19 it would be harder to decide, they can fetch some serious money (I'd love to try the mamiya 21).
I saw some people that digged slots in their adapters to let fujinons screw fully in: the slot should go about 180° around the adapter, but being the sony to m42 adapter so thin (around 1mm if i remember well), probably it won't work. For mamiya sx it would be even harder, being the exceeding part all around the lens back.
Also, if I remember well, the slot you need to dig will go through the little hole that locks the adapter in position, that can cause some problem.
What would I do: If you have access to the right kind of tools (a lathe, maybe?) and the ability to do that (or you know someone that can do that for you), try. Buy a bunch of cheap adapters, and try to figure out how to do that. If you fail, you can always sell them.
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hoanpham
Joined: 31 Jan 2011
Posts: 2575
Expire: 2015-01-18
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| Posted: Fri Dec 14, 2012 7:21 pm Post subject: |
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hoanpham wrote:
Only shave if you decide to keep them.
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aoleg
Joined: 22 Feb 2008
Posts: 1387
Location: Berlin, DE
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| Posted: Fri Dec 14, 2012 10:10 pm Post subject: |
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aoleg wrote:
There are adapters available on eBay that can accomodate the extra pin on Fuji lenses. At least M42-EOS versions exist (I bought one recently). With Mamiya SX, the main headache may not be the pin itself but the outskirt of the aperture control ring.
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Lightshow
Joined: 04 Nov 2011
Posts: 3666
Location: Calgary
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| Posted: Sat Dec 15, 2012 12:15 am Post subject: |
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Lightshow wrote:
I would get an adapter for each lens, and mod the adapter as much as required to get it to seat properly, then I would put a dab of loctite(blue or weaker) to keep it from coming loose.
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Sing1970
Joined: 08 Nov 2012
Posts: 3
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| Posted: Sat Dec 15, 2012 3:10 pm Post subject: |
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Sing1970 wrote:
Actually THE main problem is THE outskirt like aoleg said , THE aperture can't turn !
So I desire to sell it on eBay . For people who like to use it on manual gear .
Thanks again every one Here. |
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Sing1970
Joined: 08 Nov 2012
Posts: 3
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| Posted: Sat Dec 15, 2012 3:13 pm Post subject: |
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Sing1970 wrote:
Between THE adapter I am using m42 to ma mount is by brand: Kindai. From Japan , it can block THE pin at THE back . |
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ForenSeil
Joined: 15 Apr 2011
Posts: 2726
Location: Kiel, Germany.
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| Posted: Sat Dec 15, 2012 3:17 pm Post subject: |
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ForenSeil wrote:
As said there are adapters that push the pin inside the lens so that you can use the aperture.
I had a black Sony Alpha to M42 from BigIS (Ebay) with that function.
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I'm not a collector, I'm a tester 
My camera: Sony A7+Zeiss Sonnar 55/1.8
Current favourite lenses (I have many more):
A few macro-Tominons, Samyang 12/2.8, Noritsu 50.7/9.5, Rodagon 105/5.6 on bellows, Samyang 135/2, Nikon ED 180/2.8, Leitz Elmar-R 250/4, Celestron C8 2000mm F10
Most wanted: Samyang 24/1.4, Samyang 35/1.4, Nikon 200/2 ED
My Blog: http://picturechemistry.own-blog.com/
(German language) |
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visualopsins
Joined: 05 Mar 2009
Posts: 10739
Location: California
Expire: 2025-04-11
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| Posted: Sat Dec 15, 2012 3:51 pm Post subject: |
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visualopsins wrote:
Welcome Sing1970!
I understand the problem is the aperture ring on these lenses rub tight on the adapter -- cannot (easily) turn aperture ring when lens is mounted on adapter, right? I have some too. 
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☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ 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)
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hifisapi
Joined: 25 Sep 2012
Posts: 941
Location: USA
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| Posted: Sat Dec 15, 2012 5:50 pm Post subject: |
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hifisapi wrote:
the mamiya SX 21mm SX F4 lens is an excellent optic. might as well grind off the ridge on the aperture ring and enjoy it on your sony slr.
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===========
ACQUIRED OVER 30 YEARS:
Cameras: DSLR=Pentax istDS FILM=Pentax SP, SP-F, ESII, SP1000, KX, K2
Lenses : Pentax M42 = Super Multi Coated Takumars 50/1.4 55/1.8 100/4-BELLOWS 500/4.5 1000/8 135-600/6.7 Pentax PK= SMC Pentax-Ks K17/4-FF Fisheye K18/3.5 K20/4 K24/3.5 K28/3.5 K28/2 K35/3.5 K35/2 K50/1.2 K50/1.4K 50/4-MACROK 55/1.8 K85/1.8 K100/4-MACRO K100/4-BELLOWS K105/2.8 K120/2.8 K135/3.5 K135/2.5 K150/4 K200/4 K400/5.6 K45-125/4K 85-210/4.5 Pentax PKM = SMC Pentax-M M40/2.8-Pancake M50/1.4 M75-150/4 M80-200/4.5 Pentax PKA= SMC Pentax-A A15/3.5 A50/2.8-MACRO A28/2 A35/2 A50/1.4 A135/2.8 A200/4 A*300/4 A35-105/3.5 A24-50/4 A70-210/4 TAMRON AD2= SP80-200/2.8 SP180/2.5 TOKINA AT-X PK= ATX28-85/3.5-4.5 ATX35-70/2.8 ATX60-120/2.8 ATX80-200/2.8 ATX100-300/4 ATX90/2.5 MACRO KIRON-LESTER DINE PK = 105/2.8-MACRO VIVITAR PK = 135/2.8-MACRO 28-85/4 NOFLEXAR AUTOBELLOWS PK = 60/4 105/4 |
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