Re: Tilt lens for panoramic

[Don Roberts <droberts@xxxxxxxxxxxxx>]

Alan, what degree wedge and does it really replicate the effect of actually
tilting the lens?  Do you get increased DOF and still good image quality?

Alan Zinn wrote:

> At 09:46 AM 9/25/1998 -0700, you wrote:
> >I know in the past, people have talked about using tilt lenses for landscape
> >panoramic photography. This week, I rented a Canon TS 45mm lens to play
> >around with and found it not what I expected. My original impression
> >was, if I place my camera perfectly parallel to the earth, I can tilt
> >the lens down to take out some of the sky and bring in more of the
> >landscape. While the image in the viewfinder is what I expected, I
> >noticed a "curving into position" of the landscape as I swing the
> >camera. Since I shoot multiple frames and stitch them together later,
> >this "curving into position" or distortion is not going to work. How
> >have others used tilt lens in the past? Thanks.
> >
> >Harold
> >
> harold,
> When you say "tilt" don't you mean "shift"?  you move the lens up and down
> parallel to the picture plane no?  If you want a simple "tilt" that works on
> any lens buy a wedge prism from Edmunds Scientific.  I have one in a
> cardboard "universal" ,rubberbands and foam, mount that I slip over the
> front of an SLR lens. it gives the effect of looking up or down while the
> camera remains level to the horizon.
>
> AZ
> Lookaround Cameras are more fun.
>
> New September Additions at:
> http://www.keva.com/lookaround
> http://www.geocities.com/SoHo/Gallery/8874
>
> Also at Cafe Society Gallery:
> http://www.curdev.hull.ac.uk/root/cafe/cafegal.htm

--
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  Don Roberts * Bittersweet Productions * Iowa City, IA
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"Ignorance is not bliss - it is oblivion." - Philip Wylie
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