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Re: [OM] f-stop question

Subject: Re: [OM] f-stop question
From: Gary Reese <pcacala@xxxxxxxxxxxxx>
Date: Tue, 13 Feb 2001 18:27:42 -0800
Robert G. writes:

<< does anyone know why most of the zuiko lenes stop down to f16 where
most other manufactures have similar lenses w/ f-22?  is it the compact
diameter of the lens? >>

Olympus was more conservative in its shorter focal length designs. They
probably considered the effects of diffraction to great beyond f/16.
When you look at other camera manufacturer 21 to 100mm lenses that stop
down to f/22, their f/22 performance typically falls off dramatically
from that at f/16.

Gary Reese
Las Vegas, NV


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