[LargeFormat] Double checking.

[philip.lambert]

If the negative measures a true 8x10 then its diagonal is 325mm and this is
the focal length of a standard lens, equivalent roughly to 43mm on 35mm
(which is a different shape, hence roughly). On this basis 20mm equates to
150mm.  A portrait lens is usually longer than the standard lens although I
have seen a few strange portraits taken with wideangle lenses. You would get
the equivalent of 85mm on 35mm with 650mm on 10x8.  I don't know if there
are any such creatures out there but how long is the bellows on your camera?
Maybe a Nikkor telephoto would suit but the prices are daunting. As to soft
focus, Imagon comes to mind but for 10x8? You did not mention your budget.
Hope this helps. Philip
----- Original Message -----
From: "John Pass" <johnp@novia.net>
To: "LargeFormat list" <largeformat@f32.net>
Sent: Monday, March 18, 2002 4:29 PM
Subject: [LargeFormat] Double checking.


> Hello list,
>
> 2) I'm looking for a good wide angle (35mm equiv to ~20mm), a good macro
> and a decent portrait.  I like sharp lenses for macro and landscape
(mostly
> B&W, but good with color too!).  I'm really cluesless when it comes to
> a good portrait lens (soft focus type).
>
> 3) Confirm for me my math: the image circle of 8x10 is
> approx. 325mm?
>
>
>
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