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Isco-Gottingen Tele-Westanar 135 mm f/ 3.5 Lens

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Isco-Gottingen Tele-Westanar 135 mm f/ 3.5 lens

Isco-Gottingen Tele-Westanar 135 mm f/ 3.5 lens

Isco-Gottingen Tele-Westanar 135 mm f/ 3.5 lens

Isco-Gottingen Tele-Westanar 135 mm f/ 3.5 lens

Optical design

Isco-Gottingen Tele-Westanar 135 mm f/ 3.5 optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42, Exakta

Optical design: 5 elements in 4 groups

User reviews (2)

Photos (13)

Tests (0)

Owners (6)

Views (22092)

Average price: $140

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
135mmf/3.5f/22151.349300/10,690/3,5

Additional information:

Isco-Gottingen Tele-Westanar 1:3.5/135 (preset) is a telephoto prime lens for 35 mm SLR cameras.


Links to online resources:
Posted by: Sergey Gorbachevsky   Date of publication: 09.10.2012



Photos taken with this lens Isco-Gottingen Tele-Westanar 135 mm f/ 3.5:


Isco Göttingen Tele-Westanar 135mm f3.5
Autor: panoramapeople
5 0 3544

Олень
Autor: Sergey Gorbachevsky
4.5 0 3477

Хорошо пробежались
Autor: Sergey Gorbachevsky
4.25 0 2801

девушка играющая
Autor: Sergey Gorbachevsky
4.12 0 4709

Mechanical quality4.336
Optical quality4.836
Usability4.176
Pricing / Value4.336
Bokeh4.506
Overall lens rating
4.43

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Owner reviews: Isco-Gottingen Tele-Westanar 135 mm f/ 3.5

panoramapeople 21.06.2015 15:33:44
Period of use: 2 years

Strengths:

This lens has a 15 blade aperture, creating a very nice bokeh. The glass is fine and offers a great resolution and sharpness. Solid made, small body, very smooth focus. 


Weaknesses:

The aperture is fully manual. It has to be set before focusing. Front element moves while focusing. There are no coatings on the glass so it's recommended to use a sunshade or to avoid direct sunlight on the reflecting silver iris.

This lens can not be adapted to digital full frame SLR.


Comments:

All weaknesses come from the construction of the lens body wich aimed to a lower price segment. 

The leak of coatings can be seen as a plus or a minus, depending on the shooting situation and camera. For digital video, this gives some extra in latency and helps on colour grading. It's a cool close portrait lens for a fair budget.

Sold als Tele-Westanar, Berolina-Westanar, both in M42 and EXA mount. Another more rare and expensive version has an automatic iris and backfocus. (Iscomat) both released in 1961.