Uneven tonality in an apparently even scene?

John Koehrer

Member
Joined
Apr 3, 2004
Messages
8,277
Location
Aurora, Il
Format
Multi Format
Well, since we're throwing out SWAGs here. Here's mine.

Camera has a vertical travel shutter---vignetting would appear at T &B of frame. Not sides.-----most unlikely.

Lens vignetting---maybe, w/parralel edges---not likely.

Enlarger---vignetting w/parralel edges---not likely.

Processing, edge density, agitation. IMO most likely.
 

dancqu

Member
Joined
Sep 7, 2002
Messages
3,649
Location
Willamette V
Format
Medium Format
jmal said:
I have attached an example, though it's hard to see
exactly what I'm talking about.Thanks. Jmal
Click to expand...

The distribution of grays in the sky seem to be reflected on
the ground. Notice the light areas and how in the sky and on
ground they define symmetric dark areas. Perhaps some very
unique quality of light and reflectance of subject. All your
landscapes turn out the same? Dan
 

gainer

Subscriber
Joined
Sep 20, 2002
Messages
3,699
Possibly flare from the side lighting. Were you using a lens shade?
 

JBrunner

Moderator
Moderator
Joined
Dec 14, 2005
Messages
7,429
Location
PNdub
Format
Medium Format
Could be sun spots.
 

Bob Carnie

Subscriber
Joined
Apr 18, 2004
Messages
7,735
Location
toronto
Format
Med. Format RF
Another thread, just posted today by Andrew with more severe but similar problem.
Grey Cards, Grey Cards, Grey Cards. process, process , process.
the agitation and water content adjustments will solve unevendevelopment but it takes patience and persistance to eliminate the problems.
 

Gary Holliday

Member
Joined
Apr 12, 2006
Messages
824
Location
Belfast, UK
Format
Medium Format

I was referring to a light leak on the negatives, which would appear light on the final print.
 
You must log in or register to reply here.
Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…