Archived posting to the Leica Users Group, 2005/06/30

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] 21.4 meters across and only f/8 !
From: henningw at archiphoto.com (Henning Wulff)
Date: Thu Jun 30 15:48:00 2005
References: <001c01c57dbf$b5bb1750$6452c33e@symke>

>http://www.gmto.org/tech_overview
>best,simon jessurun

Isn't that about 25m across (3 x 8.4m) and a focal length of 18m 
which results in approx. f/0.7?

f/1 and larger (smaller number) are usual apertures in large mirror 
telescopes.

-- 
    *            Henning J. Wulff
   /|\      Wulff Photography & Design
  /###\   mailto:henningw@archiphoto.com
  |[ ]|     http://www.archiphoto.com

Replies: Reply from s.jessurun95 at chello.nl (animal) ([Leica] 21.4 meters across and only f/8 !)
Reply from sdp35 at cwazy.co.uk (Craig Zeni) ([Leica] 21.4 meters across and only f/8 !)
In reply to: Message from s.jessurun95 at chello.nl (animal) ([Leica] 21.4 meters across and only f/8 !)