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asterinex
Joined: 04 Nov 2012
Posts: 311
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 Posted: Wed Sep 04, 2013 7:33 pm Post subject: |
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asterinex wrote:
Wow, impressed! |
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ferrick
Joined: 20 Apr 2012
Posts: 643
Location: Hong Kong
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| Posted: Thu Sep 05, 2013 6:32 am Post subject: |
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ferrick wrote:
| Lightshow wrote: |
| ferrick wrote: |
My conversion is simple. I bought a M58 focusing helicoil and inserted the whole lens into it. Then I stepped it down to M42 by using a M42-M58 ring.
The final step is to put a cheapo M25/M42 to M4/3 adapter purchased from eBay and the lens can be used with infinity focus.
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I'll be converting to NEX mount, so I have a slightly different requirements, but wanted to confirm how you put yours together.
Is the lens just friction fit in to your helicoid? Then the helicoid connects to m58-m42 ring, which is connected to the thin m42/m25 to m4/3 adapter? |
Yes, that's exactly how I put it together. I use a black plastic ring (those for use on fixing water pipes) to fill the gap when I fiction fit the lens into the helicoid. |
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ferrick
Joined: 20 Apr 2012
Posts: 643
Location: Hong Kong
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| Posted: Thu Sep 05, 2013 6:32 am Post subject: |
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ferrick wrote:
| Lightshow wrote: |
| ferrick wrote: |
My conversion is simple. I bought a M58 focusing helicoil and inserted the whole lens into it. Then I stepped it down to M42 by using a M42-M58 ring.
The final step is to put a cheapo M25/M42 to M4/3 adapter purchased from eBay and the lens can be used with infinity focus.
|
I'll be converting to NEX mount, so I have a slightly different requirements, but wanted to confirm how you put yours together.
Is the lens just friction fit in to your helicoid? Then the helicoid connects to m58-m42 ring, which is connected to the thin m42/m25 to m4/3 adapter? |
Yes, that's exactly how I put it together. I use a black plastic ring (those for use on fixing water pipes) to fill the gap when I fiction fit the lens into the helicoid. |
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ferrick
Joined: 20 Apr 2012
Posts: 643
Location: Hong Kong
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| Posted: Thu Sep 05, 2013 6:34 am Post subject: |
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ferrick wrote:
| asterinex wrote: |
| Wow, impressed! |
Thank you!  |
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soikka
Joined: 11 Jun 2008
Posts: 534
Location: Finland
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| Posted: Thu Sep 05, 2013 6:53 am Post subject: |
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soikka wrote:
Wow indeed! Where do you find these kind of gems?
_________________
DSLR: K-5,K20d+Grip, Ist*Ds
Film: MZ-5n, LX, MX+winder, SuperA+winder, ME Super,
M-series: 28/2.8, 35/2, 40/2.8, 135/3.5, 75-150/4, A-series: 50/1.7, Super-Taks: 55/1.8, 105/2.8, S-M-C Taks: 28/3.5, 50/1.4, 85/1.8, Sigma SW2 24/2.8, Tamron SPs: 90/2.5(I), 180/2.5, 500/8, Rikenon XR 35-70/3.5, Cosinon 40/2.5, F-1.7x AF-adapter, Olympus XA |
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ferrick
Joined: 20 Apr 2012
Posts: 643
Location: Hong Kong
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| Posted: Thu Sep 05, 2013 10:00 am Post subject: |
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ferrick wrote:
| soikka wrote: |
| Wow indeed! Where do you find these kind of gems? |
From eBay.de |
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Lightshow
Joined: 04 Nov 2011
Posts: 3669
Location: Calgary
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| Posted: Sat Sep 07, 2013 4:35 pm Post subject: |
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Lightshow wrote:
| soikka wrote: |
| Wow indeed! Where do you find these kind of gems? |
I found mine on eBay from Germany.
_________________
A Manual Focus Junky...
One photographers junk lens is an artists favorite tool.
My lens list
http://www.flickr.com/photos/lightshow-photography/ |
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kds315*
Joined: 12 Mar 2008
Posts: 16541
Location: Weinheim, Germany
Expire: 2021-03-09
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| Posted: Thu Mar 05, 2015 4:25 pm Post subject: |
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kds315* wrote:
Some current ones, also on GH1 ....
http://forum.mflenses.com/viewtopic,p,1428702.html#1428702
_________________
Klaus - Admin
"S'il vient a point, me souviendra" [Thomas Bohier (1460-1523)]
http://www.macrolenses.de for macro and special lens info
http://www.pbase.com/kds315/uv_photos for UV Images and lens/filter info
https://www.flickr.com/photos/kds315/albums my albums using various lenses
http://photographyoftheinvisibleworld.blogspot.com/ my UV BLOG
http://www.travelmeetsfood.com/blog Food + Travel BLOG
https://galeriafotografia.com Architecture + Drone photography
Currently most FAV lens(es):
X80QF f3.2/80mm
Hypergon f11/26mm
ELCAN UV f5.6/52mm
Zeiss UV-Planar f4/60mm
Zeiss UV-Planar f2/62mm
Lomo Уфар-12 f2.5/41mm
Lomo Зуфар-2 f4.0/350mm
Lomo ZIKAR-1A f1.2/100mm
Nikon UV Nikkor f4.5/105mm
Zeiss UV-Sonnar f4.3/105mm
CERCO UV-VIS-NIR f1.8/45mm
CERCO UV-VIS-NIR f4.1/94mm
CERCO UV-VIS-NIR f2.8/100mm
Steinheil Quarzobjektiv f1.8/50mm
Pentax Quartz Takumar f3.5/85mm
Carl Zeiss Jena UV-Objektiv f4/60mm
NYE OPTICAL Lyman-Alpha II f1.1/90mm
NYE OPTICAL Lyman-Alpha I f2.8/200mm
COASTAL OPTICS f4/60mm UV-VIS-IR Apo
COASTAL OPTICS f4.5/105mm UV-Micro-Apo
Pentax Ultra-Achromatic Takumar f4.5/85mm
Pentax Ultra-Achromatic Takumar f5.6/300mm
Rodenstock UV-Rodagon f5.6/60mm + 105mm + 150mm
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