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03-20-2018, 11:57 AM   #1
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I need to find a 10mm M42 extension tube

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I don't know if I'm looking in all the wrong places or not , but I need a 10mm M42 extension tube and cant find one anywhere ?

03-20-2018, 12:17 PM - 1 Like   #2
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Usually sold in sets of three. Not sure any are exactly 10mm though. I think my set started at 11mm? But I'm not sure.
03-20-2018, 12:22 PM - 1 Like   #3
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10mm is an unusual length for an M42 tube, but I've found a few old sets on eBay that include one, by searching for "M42 10mm extension tube":

Kalcor M42 Screw Mount Macro Extension Tube Set 10mm 20mm 30mm Used | eBay

Aetna M42 Screw Mount Automatic Extension Tube Set 10mm 20mm 30mm Used | eBay

Porst Extension Tube 2er Set 10mm & 28mm Zwischen-Ringe M-42 03281 | eBay
03-20-2018, 01:36 PM - 1 Like   #4
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I just stuck a micrometer on mine and the set is: 9.5mm, 19.0mm and 28.50mm

03-20-2018, 08:28 PM - 2 Likes   #5
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QuoteOriginally posted by Ronald Oakes Quote
I don't know if I'm looking in all the wrong places or not , but I need a 10mm M42 extension tube and cant find one anywhere ?

Here's a set of Sears auto tubes with 10mm, 18mm and 26mm on ebay:
Sears Automatic Extension Tube Set For SLR Cameras "P" 10mm 18mm 26mm | eBay

Sears M42 tube sets are common on ebay, but I believe they usually have an 11mm instead of 10mm for the smallest.
I have a couple sets of Sears M42 tubes and they're nicely built and finished.

---------- Post added 03-20-18 at 08:48 PM ----------

QuoteOriginally posted by BigMackCam Quote
10mm is an unusual length for an M42 tube, but I've found a few old sets on eBay that include one, by searching for "M42 10mm extension tube":

Kalcor M42 Screw Mount Macro Extension Tube Set 10mm 20mm 30mm Used | eBay
. . .
. . .

Without wishing to rain on BigMackCam's helpful suggestion, I must say I was very unhappy with the service I received the one time I bought from that particular seller.
03-20-2018, 09:17 PM   #6
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Thanks Everyone. I did just go and buy what was suggested by .a.t.
I really needed the10mm tube for my lens project......Thanks.
When it comes in I can hardly wait to rip out the pin and lever and flock it inside if needed......lol

purchased.link.

Sears Automatic Extension Tube Set For SLR Cameras "P" 10mm 18mm 26mm | eBay

Last edited by Ronald Oakes; 03-20-2018 at 09:32 PM.
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