Herb, Are they showing an infrared sensitivity of the camera that your eye can't see thru the viewfinder. That is, reduced visible spectrum with the filters, but no so reduced in the infrared spectrum...and the camera picks that up. Regards, Bob S.
On 9/18/05, P. J. Alling <[EMAIL PROTECTED]> wrote: > Herb, That's just bizarre, it looks like you've discovered a chlorophyll > filter. > > Herb Chong wrote: > > > i was shooting yesterday in the Catskills and needed an in-between ND > > filter of 4 stops because i only had my 6-stop B+W filter with me and > > not my 3-stop one. since i carry a Hi-Tech 85mm square ND filter with > > me in my Cokin P grad ND filter bag, i placed it on the filter holder > > in front of the circular polarizer and proceeded with my shooting. > > chimping on the LCD showed something odd, but i wasn't sure of the > > magnitude. everything looked OK in the viewfinder. getting back home > > and looking on the monitor showed really radical effects. anyway, here > > is a link to a small gallery showing a pair of results with a > > combination of Cokin circular polarizer + Hi-Tech 4-stop ND versus > > Hoya Super HMC Pro 1 circular polarizer and B+W 6-stop ND filter. the > > "normal" color ones were taken with the Hoya/B+W combination while the > > "odd" ones were taken with the Cokin/Hi-Tech combination. > > > > http://users.bestweb.net/~hchong/Temp/ > > > > what gets me is that looking through the viewfinder and just holding > > the filters up to look directly through them don't show any difference > > between the combinations. > > > > Herb.... > > > > > > > -- > When you're worried or in doubt, > Run in circles, (scream and shout). > >

