Thanks to all who've replied, As I have limited funds*, I'll start with the suggestion of shooting a bracketed roll (estimating the 50% loss) Cheers, Simon
* Flash meters are expensive, right? -----Original Message----- From: William Robb [mailto:[EMAIL PROTECTED]] Sent: Sunday, 11 August 2002 7:12 AM To: [EMAIL PROTECTED] Subject: Re: Basic umbrella reflector question ----- Original Message ----- From: Alex Subject: RE: Basic umbrella reflector question > Or shoot a roll of a slide film and bracket. If you position the umbrella > 10' from a subject, your flash/umbrella Guide Number will be 10 x F-number > of a slide you like the best. Also, this might help, most umbrellas are 50% reflective, 50% transmittive. William Robb - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .