> Meters are calibrated with a 4 stop neutral density filter > (12.5%) from a standard calibrated bulb. I make four stops 6.25% - 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 .
- Ah ha! (was 18% gray) Tom Rittenhouse
- Re: Ah ha! (was 18% gray) John Francis
- Re: Ah ha! (was 18% gray) Mike Johnston
- Re: Ah ha! (was 18% gray) aimcompute