Archived posting to the Leica Users Group, 1998/02/03

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Subject: Re: [Leica] The 0.85: strange new need
From: Erwin Puts <imxputs@knoware.nl>
Date: Wed, 4 Feb 1998 08:59:42 +0100
 
>On 01/31/98 Erwin Puts wrote:
>>Focal length    Max aperture    Max aperture
>[snip]
>>                M3              M2, M4, M5, M6
>>135 mm          4.88            6.1
>[snip]
>>The 135mm seems to be overstretched when used at its maximun aperture of
>2,8.
>
>I'm confused and I haven't seen anyone else raise my question.  Doesn't the
>135 f/2.8 only come with goggles and doesn't their magnification change
>there focus accuracy?

Yes, the 2,8 has a magnification of 1.5 and therefore the focusing accuracy
is better, but not that much. I posted the new figures some days ago.
Erwin