Re: [pinhole-discussion] wideangle, telephoto, etc

2001-08-09 Thread Jeff Dilcher
This of it this way: If you have a slide projector shining a slide of, say, your family, up on a wall. You are seated between the projector and the wall. If you hold your hand up, between the projector, and the wall, obviously you see some of the image on your hand. As you move your hand away

Re: [pinhole-discussion] wideangle, telephoto, etc

2001-08-09 Thread William Erickson
The acceptance angle or field of view at any pinhole-film distance is a function of the width of the negative. The optimal image is the shape of a hemisphere centered around the pinhole. Whether you have closer up or further away depends on how much of the potential image is covred by the

Re: [pinhole-discussion] wideangle, telephoto, etc

2001-08-09 Thread Guillermo
- Original Message - From: Murray upt...@uptowngallery.org In the case of pinhole photography, the titles 'wide angle' or 'telephoto' would only refer to the field of view, right? The same is for glass lenses. There's nothing to provide magnification. Not sure I understand that

[pinhole-discussion] wideangle, telephoto, etc

2001-08-09 Thread Murray
Hello: In the case of pinhole photography, the titles 'wide angle' or 'telephoto' would only refer to the field of view, right? There's nothing to provide magnification. My brain wants to associate the term telephoto with a zoom telephoto lens...I think of tele- anything as meaning at a