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Lens Auto Revuenon 55 mm f/ 1.7


1.
Fanch :: 16.12.2015 00:55:12

France, Landunvez
lvl. 1 (Lens-Learner)

Lens Auto Revuenon 55 mm f/ 1.7
Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42


Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr.)Height (mm.)
55mmf/1.7f/1660.552220

 

2.
Fanch :: 16.12.2015 01:21:51

France, Landunvez
lvl. 1 (Lens-Learner)

Hi !

I tested this lens on my Olympus E-420 (photo "Camellia") and then with my Olympus E-620 on a tripod at about 2m of a road map.

I let the camera determine the shutter speed and I took a serie of photos from full aperture (f/1.7) up to f/4.0 to compare the sharpness.

I think at f/1.7 we can say that this is good enough ; at f/2.0 better, at f/2.8 very good. At f/4.0 the sharpness seems excellent and doesn't change a lot when closing more.

What do you think about ?


3.
likan :: 01.06.2016 18:34:50


lvl. 3 (Lens-Competent)

excelent lens like almost all lenses manufactured by Yashica


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