Re: Horseman SW 612 & also 47mmXL

[Ellis Vener <evphoto@xxxxxxxxxx>]

Don:
Wow! Something was definitely wrong with your camera. I have used the 47XL
on my 4x5 Arca Swiss F-line camera and had full coverage (plus shift) on
4x5 transparency. Did you use use a filter of some sort (either with or
without the Center filter) on the lens?

Ellis Vener

DON WHIPPLE wrote:

> I have a similar problem with the 4x5 Cambo Wide 47XL.
> It is advertized by Calumet as a 4x5 with 15mm shifts.
> I use a Horseman 612 back on it and a Helipan center filter.
> Even shooting at f/32 the lens will not cover the 612 format
> without shifting.  It barely covers 6x9.
>
> Don Whipple, AIA  <dwhipple@xxxxxxxxx>
> ==============================================
>
> >>> Joel Seaman <jseaman@xxxxxxxxxxx> 06/23 5:00 AM >>>
> Has anyone had experience with a Horseman SW612?  I have one with a
> 45MM Apo-Grandagon lens that produces images with substantial light fall
> off.
> These images occur despite the use of the ridiculously priced and
> overrated Rodenstock center filter!!!  The light fall off is not
> consistently strong and seems to vary, perhaps in relatiion to the angle
> of the camera relative to the sun. Any
> experiences would be appreciated.  The Rodenstock filter has the added
> benefit of producing "outstanding" examples of flare if the rays of the
> sun even feign towards the camera .
>
> Joel