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fuzzywuzzy
Joined: 18 Dec 2010
Posts: 1258
Location: Down East, Canada, eh?
Expire: 2013-11-30
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 Posted: Wed Jun 20, 2018 11:46 am Post subject: recommended M42-NEX adapter with built in focusing helicoid? |
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fuzzywuzzy wrote:
There don't seem to be many NEX-m42 with built in adapters, they're common for other mounts but not Sony E-mount/NEX for whatever reason.
I'm looking at combining these Pixco ones,
Click here to see on Ebay
Click here to see on Ebay
Has anyone used this brand before?
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NEX-F3
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CZJ Sonnar 135/4, Biotar 58/2, Pancolar 50/2, Tessar 50/2.8, Flek 35/2.8, Flek 25/4
Super Takumar 135/2.5, 135/3.5, 100/4 bellows, 50/1.4, 28/3.5
Helios 58/2, 3M-5A 500/8, Mir 20M
Vivitar Series 1 70-210 - - - - - - - - Nikkor 200/4
Rikenon 28/2.8 - - - - - - - - Zeiss 50/1.7 Planar
PB 50/2.4, 135/2.8
Yashica 50/1.9, 28/2.8, 135/2.8
Hexanon 28/3.5, 50/1.4 |
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willy35
Joined: 17 Jul 2017
Posts: 97
Location: BREIZH
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| Posted: Wed Jun 20, 2018 11:55 am Post subject: |
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willy35 wrote:
You just need to buy the M42 nex, the thin version, it is so cheap.
I buy my helicoid on taobao, from a CNC manufacturer, they are more expansive, brass inner core, but quality is there.
Cheap helicoid tend to have gap with time, but all depend of the final use.
For me real gem lens, I choose expansive helicoid, cheap project, cheap helicoid from ebay.
Your link are broken, so I don't know for yours.
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calvin83
Joined: 12 Apr 2009
Posts: 7554
Location: Hong Kong
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| Posted: Wed Jun 20, 2018 2:33 pm Post subject: |
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calvin83 wrote:
Cheap but works OK
Click here to see on Ebay
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The best lens is the one you have with you. |
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jamaeolus
Joined: 19 Mar 2014
Posts: 2929
Location: Eugene
Expire: 2015-08-20
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| Posted: Wed Jun 20, 2018 2:47 pm Post subject: |
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jamaeolus wrote:
I have the one Calvin links to. It is pretty good. Well made and reasonable tolerances. My only issue is that with certain lenses (takumar mostly) it gives a washed out area in the center of the image. I sprayed the inside with flat black and that helped some. When extended the inside has a sheen from the lubricant that has adverse affect on optics.
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Anatol_M
Joined: 23 Dec 2017
Posts: 34
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| Posted: Wed Jun 20, 2018 3:01 pm Post subject: |
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Anatol_M wrote:
I have the Pixco M42-NEX adapter, it works Ok. Although you will find quite a lot of oil on their helicoid, might need to remove some of it. |
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aidaho
Joined: 29 Apr 2018
Posts: 456
Location: Ukraine
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| Posted: Wed Jun 20, 2018 5:06 pm Post subject: |
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aidaho wrote:
I have two from Pixco: OM-NEX and FD-NEX.
OM-NEX is meh: has some play in it, was quite a bit shorter in collapsed state. Had to shim it.
FD-NEX build quality is superb.
Overall, I'm happy with Pixco helicoids, just be prepared to shim if you want precise infinity hard stop.
And as everyone stated above, they have quite a lot of oil inside to remove. |
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