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hk300
Joined: 30 Oct 2008
Posts: 1041
Location: Hong Kong
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 Posted: Tue Feb 09, 2010 2:20 am Post subject: Pitch for the Helios 40 lens? 66mm x 0.75? |
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hk300 wrote:
I am going to make a few stepup rings for the Helios-40 85/1.5, such that more common 67mm filters can be used, but I do not have a lens around to check the filter thread.
So ... does anyone know the pitch ? 66mm x 0.75 ?
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Last edited by hk300 on Tue Feb 09, 2010 3:29 am; edited 1 time in total |
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visualopsins
Joined: 05 Mar 2009
Posts: 7465
Location: California
Expire: 2021-06-22
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| Posted: Tue Feb 09, 2010 2:43 am Post subject: |
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visualopsins wrote:
dunno, but here's "How to Measure Screw Threads" with a photography orientation:
http://www.skgrimes.com/adapter/measure.htm
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hk300
Joined: 30 Oct 2008
Posts: 1041
Location: Hong Kong
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| Posted: Tue Feb 09, 2010 2:55 am Post subject: |
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hk300 wrote:
LOL ... i don't have the lens here.
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djmike
Joined: 01 Apr 2009
Posts: 958
Location: Taiwan
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| Posted: Tue Feb 09, 2010 3:15 am Post subject: |
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djmike wrote:
66mm? I thought its lens size is 49mm or 52mm. There are some othions of Helios 44. Check this. Mike
http://www.commiecameras.com/sov/35mmsinglelensreflexcameras/lenses/index.htm
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M42: CZJ Flektogon 35/2.4 + CZJ Flektogon Zebra 35/2.8 + CZJ Pancolar 50/1.8 + CZJ Sonnar 135/3.5 + CZJ Tessar 50/2.8 Chrome + Pentacon 135/2.8 + Pentacon 50/1.8 + SMC Takumar 50/1.4 + SMC Takumar 55/2 + SMC Takumar 135/3.5 + Fujinon 55/1.8 + Jupiter-9 85/2 + Jupiter-37A 135/3.5 + Helios 44-6 58/2
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hk300
Joined: 30 Oct 2008
Posts: 1041
Location: Hong Kong
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| Posted: Tue Feb 09, 2010 3:30 am Post subject: |
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hk300 wrote:
sorry i made a typo, it is Helios-40.
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djmike
Joined: 01 Apr 2009
Posts: 958
Location: Taiwan
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| Posted: Tue Feb 09, 2010 3:48 am Post subject: |
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djmike wrote:
| hk300 wrote: |
sorry i made a typo, it is Helios-40. |
NP. So you have answer from this site. There are M39 and M42 versions. Mike
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DSLR: Canon 400D
SLR: Nikon FM2 + Canon A-1 + Canon AE1-P + Praktica MTL-5B + Pentax Spotmatic F + Fujica ST801 + Voigtlander Bassematic + Voigtlander Vito + Rollei 35S + Rolleiflex SL35 ME + Canon QL17 GIII + Olympus Pen EE-3
Lenses
M42: CZJ Flektogon 35/2.4 + CZJ Flektogon Zebra 35/2.8 + CZJ Pancolar 50/1.8 + CZJ Sonnar 135/3.5 + CZJ Tessar 50/2.8 Chrome + Pentacon 135/2.8 + Pentacon 50/1.8 + SMC Takumar 50/1.4 + SMC Takumar 55/2 + SMC Takumar 135/3.5 + Fujinon 55/1.8 + Jupiter-9 85/2 + Jupiter-37A 135/3.5 + Helios 44-6 58/2
Nikor: Nikkor 50/1.4 + Nikkor 28/3.5 + Nikkor 35-105 Zoom + 36-72 Series E Zoom
Canon: Canon FD + 28/2.8 + 50/1.8 + Canon 35-105 Macro Zoom
Other: Rollei Planar HFT 50/1.8
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hk300
Joined: 30 Oct 2008
Posts: 1041
Location: Hong Kong
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| Posted: Tue Feb 09, 2010 3:52 am Post subject: |
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hk300 wrote:
THANKS MIKE ...
It has the details for the Helios-40 ... it is 66x0.75!
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kds315*
Joined: 12 Mar 2008
Posts: 15602
Location: Weinheim, Germany
Expire: 2019-08-26
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| Posted: Tue Feb 09, 2010 9:44 am Post subject: |
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kds315* wrote:
count me in ALex, I need that too!
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F16SUNSHINE
Joined: 20 Aug 2007
Posts: 5501
Location: Left Coast
Expire: 2011-11-18
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| Posted: Tue Feb 09, 2010 2:18 pm Post subject: |
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F16SUNSHINE wrote:
I could send you one of the filters if need be. If I get a chance tomorrow I will buy a guage and measure mine. Would love to have the step down ring you are making.
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