[LargeFormat] question about 150/2.8 xenotar for 4x5

[philip lambert]

The bright image is good on the ground glass but you would need to stop down
quite a lot of you use movements. The image circle is 160mm according to
Schneider and allow 5mm of movements on 5x4.  A Symmar is dimmer but
movements possible at f16 are impressive.
I use lenses with apertures f2.8 to f4.5 for screen brightness and ease of
focussing but for sharp negative corners small apertures are best.  Philip
----- Original Message ----- 
From: "Rei Shinozuka" <shino@panix.com>
To: <largeformat@f32.net>
Sent: Monday, January 26, 2004 10:27 AM
Subject: [LargeFormat] question about 150/2.8 xenotar for 4x5


> i was just reading my Linhof Practice  and they mention the Xenotar
150/2.8
> lens.  it sounds fairly fascinating, according to my math, on a 4x5, it
has
> close to the depth of field of a noctilux in 35mm, about +/- 1 inch at 5
feet.
>
> there's a 135/3.5 also, which is closer to the DOF of a 50 summilux.
>
> i was thinking it could be an interesting lens on a super technika IV
> with rangefinder.  does anyone have comments on the lens or its
> depth of field?
>
> thanks!
>
> -rei
>
> -- 
> Rei Shinozuka shino@panix.com
> Ridgewood, New Jersey
>
>
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