Re: metrics question

2005-08-24 Thread David Savage
Here's a link to a handy little conversion program I use at work a lot. http://tinyurl.com/it7n Dave On 8/24/05, Butch Black [EMAIL PROTECTED] wrote: The sigma is GN 50m @ 100ASA, 105mm zoom reflector setting. The Pentax one is GN 54m @ 100ASA, doesn't say what zoom that's at. If you

Re: metrics question

2005-08-24 Thread Butch Black
Here's a link to a handy little conversion program I use at work a lot. http://tinyurl.com/it7n Dave Thanks. I just downloaded it and it looks like a great program. Butch

metrics question

2005-08-23 Thread Butch Black
The sigma is GN 50m @ 100ASA, 105mm zoom reflector setting. The Pentax one is GN 54m @ 100ASA, doesn't say what zoom that's at. If you multiply by 3 do you roughly get your guide numbers in feet? Butch

Re: metrics question

2005-08-23 Thread William Robb
- Original Message - From: Butch Black Subject: metrics question The sigma is GN 50m @ 100ASA, 105mm zoom reflector setting. The Pentax one is GN 54m @ 100ASA, doesn't say what zoom that's at. If you multiply by 3 do you roughly get your guide numbers in feet? More or less

Re: metrics question

2005-08-23 Thread P. J. Alling
*GN(ft) = GN(m) x 3.3* Butch Black wrote: The sigma is GN 50m @ 100ASA, 105mm zoom reflector setting. The Pentax one is GN 54m @ 100ASA, doesn't say what zoom that's at. If you multiply by 3 do you roughly get your guide numbers in feet? Butch -- When you're worried or in doubt,