M42/M39 fixing ring for http://oly43club.ru/forum/index.php?showtopic=311
M42/M39 fixing ring for http://oly43club.ru/forum/index.php?showtopic=311 - a special fixing ring with Ì42 or Ì39 thread, allowing more comfortable* and safe to use Ì42 or Ì39 lens with universal adapter ÕÕÕ - 4/3 with full compensation of the flange focal distance (45,2mm for Ì39 and 45,5mm for Ì42).
* use Ì42 or Ì39 lens with adapter ÕÕÕ - 4/3 it is possible and without a special fixing ring, however it demands certain skills, reduce of you efficiency and puts restrictions on uses of heavy objectives!
Advantages of M42/M39 fixing ring for universal adapter ÕÕÕ -4/3:
1. full compensation of the flange focal distance for Ì39 and Ì42 lens
2. exact centering and correct fixing of Ì42 and Ì39 lens in universal adapter ÕÕÕ-4/3
3. protection against damage of a thread of Ì42 and Ì39 lens
4. protection against dust hit in the camera
5. possibility of use of heavy Ì42 and Ì39 lens with universal adapter ÕÕÕ-4/3
6. efficiency at change of Ì42 and Ì39 lens
7. possibility of fixing of lens in any position concerning a scale and a red label
To use fixing ring Ì42 (Ì39) it is possible in two ways:
Way 1
To insert fixing ring Ì42 (Ì39) into universal adapter ÕÕÕ-4/3, to fix it and then to wind Ì42(Ì39) lens and to adjust label position:
Way 2
On an lens to wind fixing ring Ì42 (Ì39), then to put on and fix in the necessary position adapter ÕÕÕ-4/3:
http://oly43club.ru/index.php?p=howtobuy
M42/M39 fixing ring with universal XXX-4/3 adapter - super-universal solution, allowing use all known bayonet mount and Ì42 and Ì39 lens with full compensation of the flange focal distance!
OLYMPUS E3 + Takumar 200/3.5 (through a universal adapter http://oly43club.ru/forum/index.php?showtopic=311 with M42 fixing ring)
OLYMPUS E3 + Helios 44-6 (through a universal adapter http://oly43club.ru/forum/index.php?showtopic=311 with M42 fixing ring)
OLYMPUS E3 + Pentacon 135/2.8 (through a universal adapter http://oly43club.ru/forum/index.php?showtopic=311 with M42 fixing ring)
OLYMPUS E3 + Helios -40 (through a universal adapter http://oly43club.ru/forum/index.php?showtopic=311 with M39 fixing ring)
OLYMPUS E3 + Zenitar Ì2s (through a universal adapter http://oly43club.ru/forum/index.php?showtopic=311 with M42 fixing ring)
http://oly43club.ru/index.php?p=howtobuy
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