[rollei_list] Re: 6 x 9 search

A 60ish mm lens on 23 is about a 28 mm (or shorter) on 35 format. See
the DOF numbers I sited, generated with about a f/1200 of the FL
Unless you are shooting close and very wide open, you won't need to
focus this lens with anything except the distance scale...


Eric Goldstein

--

On 8/30/07, Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:

>     The problem with Speed or Crown Graphics with Kalart
> side rangefinders is that the RF is adjusted for only one FL
> lens. Other lenses can be focused on the ground glass but
> that precludes certain kinds of photography. On a 4x5 the
> lensboard is riding the inside part of the rail and the drop
> bed must be used so the rangefinder won't work even if it
> could be adjusted for such a short FL. This might work on a
> 2x3. I don't have a Pacemaker 2x3 so I don't know how it
> would work with a short FL lens. Normal for these cameras is
> either 102mm or 105mm, the diagonal being about 102mm so a
> 60mm lens is not that short, about equal to a 90mm on a 4x5.
>     Has anyone here had experience with  the rangefinder
> Mamiya or similar cameras?  They look interesting for
> hand-held work and I see them occasionally at local camera
> sales. Lenses for other Mamiya cameras seem to be excellent
> so perhaps this is a sleeper.
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
>
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