Olympus-OM
[Top] [All Lists]

[OM] Re: Apertures, where is f22 ?

Subject: [OM] Re: Apertures, where is f22 ?
From: Moose <olymoose@xxxxxxxxxxxxxxx>
Date: Tue, 07 Jun 2005 20:20:04 -0700
John A. Lind wrote:

>At 03:50 PM 6/7/2005, Moose wrote:
>
>  
>
>>The 50/3.5 has its best performance at f8-11 and declines below that.  F22 
>>is available, but shouldn't be used for critical work. If you look at all 
>>the 50mm tests, you will notice a distinct tendency for f16 ratings to be 
>>lower than wider apertures. The 135/4.5 macro offers apertures down to 
>>f45, but the performance slide starts at f22 and by f45 is really iffy, 
>>worse than the 50/3.5 at f22.
>>    
>>
>
>Both those lenses stop down that far because they're macro's......
>
What you said.....  Right! I just didn't have the energy/interest to go 
beyond the primary question, which didn't really get into macros.

Moose


==============================================
List usage info:     http://www.zuikoholic.com
List nannies:        olympusadmin@xxxxxxxxxx
==============================================

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz