mikefiction Member Joined Feb 21, 2006 Messages 20 Location Columbus, Oh Format Multi Format Jan 31, 2008 #1 I picked up a PME90. So using a 150mm+ lens or tubes will cause the top of the image to vignette in the viewfinder on a non GMS (Gliding Mirror System) body like the 500CM. Does this affect the accuracy of metered prisms compared to GMS bodies like the 501CM?
I picked up a PME90. So using a 150mm+ lens or tubes will cause the top of the image to vignette in the viewfinder on a non GMS (Gliding Mirror System) body like the 500CM. Does this affect the accuracy of metered prisms compared to GMS bodies like the 501CM?
Sirius Glass Subscriber Joined Jan 18, 2007 Messages 50,369 Location Southern California Format Multi Format Jan 31, 2008 #2 No. Steve
OP OP mikefiction Member Joined Feb 21, 2006 Messages 20 Location Columbus, Oh Format Multi Format Jan 31, 2008 #3 Straight to the point. Thanks Sirius!
Andrew Moxom Member Joined Feb 2, 2007 Messages 4,888 Location Keeping the Format Multi Format Jan 31, 2008 #4 When will using a 500C/M without the GMS start to vignette on longer lenses, or on lenses with tubes? Is it the 250mm?
When will using a 500C/M without the GMS start to vignette on longer lenses, or on lenses with tubes? Is it the 250mm?
OP OP mikefiction Member Joined Feb 21, 2006 Messages 20 Location Columbus, Oh Format Multi Format Jan 31, 2008 #5 @Andrew: I see it on my 150 CF - it's only slight at the top, but it's there. Didn't even notice till it was pointed out to me. Last edited by a moderator: Jan 31, 2008
@Andrew: I see it on my 150 CF - it's only slight at the top, but it's there. Didn't even notice till it was pointed out to me.