The author of the link was getting light intrusion during very long exposures (1000x ND filters, and IR filters) when the cap was off. It wasn't about metering.
On Mon, Nov 11, 2013 at 7:15 PM, Stan Halpin <[email protected]> wrote: > > On Nov 11, 2013, at 6:14 PM, Darren Addy wrote: > >> ...and now I know... >> http://scotchtape.ductwhisky.com/2013/11/pentax-k-5-ii-and-strong-filters.html >> > > I have a very slow cranky web connection tonight so I haven't linked to your > video. But the reason to use a viewfinder cover is that light coming through > the viewfinder can/will affect the light meter reading of scene brightness. > If you have the camera on a tripod (with your eye presumably not tight > against the viewfinder) and AE turned on and nothing blocking the viewfinder, > then you'll get a false reading, particularly in a situation with light > coming from behind you. Not a problem is you use manual exposure. > > stan > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- David Parsons Photography http://www.davidparsonsphoto.com Aloha Photographer Photoblog http://alohaphotog.blogspot.com/ -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
