Ring adapter  for Lenses with M42  screw. Is many,  many  excellent old  Lenses  from  Zeiss , Schneider, Meyer  etc.. And  is  many, many adapters M42 / Nikon, Canon, Pentax etc., made in Asia,  U.S.A., Europe...  But each is different, with different  lens, different internal screw long. Not  quite the  same, as well as Lenses ( not  even  two identical  lenses,   made  in the  same  year  in  the same company, are  not identical ).

The  perfect combination, Lens + adapter M42 / Nikon,  Canon,  Pentax  etc.  for perfectly  sharp  infinity, is impossible!

But with our steel ring adapter is it possible !!! Look at sample pics below, please.

Sharp  infinity  is  very  important.  Especially et wideangle  lenses  is  from 10 m or lees !

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Installation: our  steel ring or combination  of  rings ( the  combination you  can see  below in table, i  made  thousands tests  of  rings combination  and distance from 0.05 mm  - 1.55 mm  is sufficient ),  insert  amount  Lens  and M42 / Nikon, Canon, Pentax etc. adapter. For  determinate  the exakt  ring, or rings  combination is perfect  our   Set  of  rings (discounted  price).

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Pictures without  software  sharpening  in PC or  in  Camera !!!  Taken with Nikon D7000 + Helioplan.

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With 6 steel rings (1 x 0.05 mm, 2 x 0.10 mm, 1 x 0.30 mm, 2 x 0.50 mm), one  Set,  you can set-up 31 distances, from 0 to 1.55 mm:

 0.05 mm

 1 x 0.05 mm

 0.10 mm

 1 x 0.10 mm

 0.15 mm

 1 x 0.10 mm  +  1 x 0.05 mm

 0.20 mm

 2 x 0.10 mm

 0.25 mm

 2 x 0.10 mm  +  1 x 0.05 mm

 0.30 mm

 1 x 0.30 mm

 0.35 mm

 1 x 0.30 mm  +  1 x 0.05 mm

 0.40 mm

 1 x 0.30 mm  +  1 x 0.10 mm

 0.45 mm

 1 x 0.30 mm  +  1 x 0.10 mm  +  1 x 0.05 mm

 0.50 mm

 1 x 0.50 mm

 0.55 mm

 1 x 0.50 mm  +  1 x 0.05 mm 

 0.60 mm

 1 x 0.50 mm  +  1 x 0.10 mm 

 0.65 mm

 1 x 0.50 mm  +  1 x 0.10 mm  +  1 x 0.05 mm 

 0.70 mm

 1 x 0.50 mm  +  2 x 0.10 mm 

 0.75 mm

 1 x 0.50 mm  +  2 x 0.10 mm  +  1 x 0.05 mm 

 0.80 mm

 1 x 0.50 mm  +  1 x 0.30 mm 

 0.85 mm

 1 x 0.50 mm  +  1 x 0.30 mm  +  1 x 0.05 mm

 0.90 mm

 1 x 0.50 mm  +  1 x 0.30 mm  +  1 x 0.10 mm

 0.95 mm

 1 x 0.50 mm  +  1 x 0.30 mm  +  1 x 0.10 mm  +  0.05 mm

 1.00 mm

 2 x 0.50 mm

 1.05 mm

 2 x 0.50 mm  +  1 x 0.05 mm 

 1.10 mm

 2 x 0.50 mm  +  1 x 0.10 mm

 1.15 mm

 2 x 0.50 mm  +  1 x 0.10 mm  +  1 x 0.05 mm 

 1.20 mm

 2 x 0.50 mm  +  2 x 0.10 mm

 1.25 mm

 2 x 0.50 mm  +  2 x 0.10 mm  + 1 x 0.05 mm  

 1.30 mm

 2 x 0.50 mm  +  1 x 0.30 mm

 1.35 mm

 2 x 0.50 mm  +  1 x 0.30 mm  +  1 x 0.05 mm

 1.40 mm

 2 x 0.50 mm  +  1 x 0.30 mm  +  1 x 0.10 mm

 1.45 mm

 2 x 0.50 mm  +  1 x 0.30 mm  +  1 x 0.10 mm  +  1 x 0.05 mm

 1.50 mm

 2 x 0.50 mm  +  1 x 0.30 mm  +  2 x 0.10 mm

 1.55 mm

 2 x 0.50 mm  +  1 x 0.30 mm  +  2 x 0.10 mm  +  1 x 0.05 mm

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You  can buy  it  in  our Webshop ( PayPal  or  SEPA  payment ) or  via e-mail or on Ebay:

Prices:

1 set 

, six  steel rings (1 pc 0.05 mm + 2 pcs 0.10 mm + 1 pc 0.30 mm + 2 pcs 0.50 mm) .............

9.50 $ US

1 pc 0.05 mm 1 pc 0.10 mm 1 pc 0.30 mm 1 pc 0.50 mm 

steel  ring ........................................................................................................................

3.00 $ US 1.50 $ US 1.50 $ US 2.00 $ US

steel  ring ........................................................................................................................

steel  ring ........................................................................................................................

steel  ring ........................................................................................................................

Shipping:

Worldwide ,  registered  priority  airmail ......................................................................................

5.00 $ US

Packaging:

In bubble foil  and paper  box .....................................................................................................

0.00 $ US

Payment:

PayPal account  for Worldwide :  M42ring@seznam.cz

SEPA,  ( possible  for EU only )

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Web:

www.M42ring.com

Webshop:

www.M42ring.com/webshop

E-mail:

M42ring@seznam.cz

Inventor,  Manufacturer  & Seller:

Copyright © 2013 SALMONPHOTOGRAPHY. All Rights Reserved.

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