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INDUSTAR-90y I-90U I-90Y 4/75 Enlarged mini Lens M39


Description


I-90U 4/75 (full name Industar-90U) - from medium format enlarger lens lies frame 6x6 cm Produced from 1978 to Lytkarinsky factory optical stelkla (LZOS)..

Has Tessar optical scheme - 4 elements in 3 groups.
Constructive and-90U 4/75
The lens is assembled in a metal case, it is black. rim diameter equal to 42 mm
The length of the lens - 32 mm. Ahead there is a switching ring aperture, switch
Aperture has 10 petals, without blackening. Limits iris 4-16 Step 4, 5.6. 8, 11, 16.
Behind there is mounting thread M39

Setting I90-U 4/75 on SLR
To fully remove the lens, he needs a focusing mechanism.
The lens has a working distance of 60 mm, if you take away another segment Nikon 46.5 mm, the minimum thickness of the helix must be 13.5 mm.
I set I90-Y on Nikon D3100 camera using the focus helicoid 12-17mm, with helicoid lens can be fully used with the focus on infinity.

View from the helicoid on the camera Nikon D80

If you use a lens for macro photography, you can do without helix, setting it through the appropriate adapter and using macrocycle. This focus will have to assigning and summing up the camera to the object of her hands, which is inconvenient.

Condition:

The lens is in good working condition, the lens housing is in good condition, clean lenses without scratching and fungi. All pictures are actual.

INDUSTAR-90y I-90U I-90Y 4/75 Enlarged mini Lens M39 Nikon N914386

$19.99

Only 1 available


Overview

  • Vintage handmade item
  • Ships worldwide from Ukraine
  • Feedback: 34 reviews
  • Favorited by: 2 people