On Sun, 18 Jan 2004 08:04:09 -0500 balobo@xxxxxxxx wrote: > Can some one tell me where I may find the information to adjust f stop > when using subject converter? > Thanks for your help! > Bruce Wolff http://imaginatorium.org/stuff/tubes.htm But actually you could work it out in your head. The same amount of light is going in; the converter magnifies the image by x2 in both x and y directions, so it's 4 times the area; ergo you need 4 times the exposure, or two stops more. Brian Chandler ---------------- Jigsaw puzzles from Japan http://imaginatorium.org/shop/ imaginatorium@xxxxxxxxxxxxx
