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Re: [OM] Sharpness of Kiron/Vivitar wide angle lens

Subject: Re: [OM] Sharpness of Kiron/Vivitar wide angle lens
From: "Brian Swale" <bj@xxxxxxxxxxxxxxx>
Date: Tue, 28 May 2002 17:36:55 +1200
Hi Pete

Modern tested the Kiron 28/2 in March 1981.

Resolution in line pairs per mm were:

Centre 2;46, 2.8; 52, 4;58, 5.6;58, 8;58, 11;58, 16;52
Corner 2;41, 2.8; 41, 4;46, 5.6;46, 8;52, 11;46, 16;41

Contrasts  were all high except Centre at 2 & 2.8 (low) centre at 4 (med) 
centre at 16 (med). Images were described as sharp & crisp.

Brian

> I have a Kiron 28mm/f2, and that is also a good bit longer than
> the Oly 28/2.8, and a bit wider.

What do you think of this lens?  Crisp or soft?  Any distortion?
Other people comment on non-Olympus lenses as not being made
as well as Zuikos.  What is your opinion?

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