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[OM] Re: anyone used om lenses of MF bodies eg bronica etrs

Subject: [OM] Re: anyone used om lenses of MF bodies eg bronica etrs
From: "Piers Hemy" <piers@xxxxxxxx>
Date: Tue, 27 Sep 2005 17:48:52 +0100
24mm on 6x6 gives a 110deg AoV.  You would need a 15mm lens on 24x36 format
to get that wide a view.

BUT, as Jeff has pointed out, the lens register will likely be wrong (unless
you only want to do macro work. As you can see from the following examples:

Hasselblad 500/2000 74.90
Kiev 60/Kiev Six          74.10
Kiev 88           82.10
Kowa Six/Super 66         79.00
Mamiya 645                63.30
Mamiya RB              112.00
Mamiya RZ              105.00
Pentacon 6                74.10 
Pentax 6x7              84.95  (74.10?)
Pentax 645              70.87
Rolleiflex SL66  102.80

Olympus OM                46.00
Olympus E1              38.67

All courtesy of Willem Markerink:
http://www.a1.nl/phomepag/markerink/mounts.htm

--
Piers 
 
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Andrew Dacey
Sent: 27 September 2005 16:59
To: olympus@xxxxxxxxxx
Subject: [OM] Re: anyone used om lenses of MF bodies eg bronica etrs


On 9/27/05, swisspace <swisspace@xxxxxxxxxxx> wrote:
>
> Thinking laterally about the advantages digital give to my tele 
> lenses, i.e doubling for same speed, what happens to the wide angles 
> on medium format, does or has anyone made an adapter for this.

I doubt you'd have the image circle to cover MF except with maybe the shift
lenses. If memory serves, the 24mm shift has an angle of view of around 16mm
(in 35mm terms) so that'd be a fun wide angle.

Other than that, you're right that a lens of the same focal length gives you
a wider angle of view when moving to a larger format but you do need to make
sure that the lens can actually cover that larger format.
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