Log in or Sign up
Coin Talk
Home
Forums
>
Coin Forums
>
Coin Chat
>
So, coin submitted for crossover does not cross. What next?
>
Reply to Thread
Message:
<p>[QUOTE="calcol, post: 26056959, member: 77639"]As Doug ([USER=112]@GDJMSP[/USER]) has pointed out many times, precision grading from photos is not possible. Changes in lighting, focus, resolution, color balance, etc. can make a coin look totally different. And then there’s postprocessing which can change it more. If folks use jpg images obtained from their phone or camera, it has already been postprocessed automatically by their device. And many folks will change the resolution or other properties of the jpg before posting.</p><p><br /></p><p>Luster can be removed or greatly enhanced, toning spots can be made almost invisible or prominent, dings and scratches can be made dominant or disappeared by photo technique or postprocessing. OK, if a coin is well worn, has a hole or a big gouge or other major problem, that can be hard to hide except with devious postprocessing.</p><p><br /></p><p>Because of the variability of photography, I seldom look at GTG posts. If I do look, its because I’m interested in the coin for reasons other than GTG.</p><p><br /></p><p>Cal[/QUOTE]</p><p><br /></p>
[QUOTE="calcol, post: 26056959, member: 77639"]As Doug ([USER=112]@GDJMSP[/USER]) has pointed out many times, precision grading from photos is not possible. Changes in lighting, focus, resolution, color balance, etc. can make a coin look totally different. And then there’s postprocessing which can change it more. If folks use jpg images obtained from their phone or camera, it has already been postprocessed automatically by their device. And many folks will change the resolution or other properties of the jpg before posting. Luster can be removed or greatly enhanced, toning spots can be made almost invisible or prominent, dings and scratches can be made dominant or disappeared by photo technique or postprocessing. OK, if a coin is well worn, has a hole or a big gouge or other major problem, that can be hard to hide except with devious postprocessing. Because of the variability of photography, I seldom look at GTG posts. If I do look, its because I’m interested in the coin for reasons other than GTG. Cal[/QUOTE]
Your name or email address:
Do you already have an account?
No, create an account now.
Yes, my password is:
Forgot your password?
Stay logged in
Coin Talk
Home
Forums
>
Coin Forums
>
Coin Chat
>
So, coin submitted for crossover does not cross. What next?
>
Home
Home
Quick Links
Search Forums
Recent Activity
Recent Posts
Forums
Forums
Quick Links
Search Forums
Recent Posts
Competitions
Competitions
Quick Links
Competition Index
Rules, Terms & Conditions
Gallery
Gallery
Quick Links
Search Media
New Media
Showcase
Showcase
Quick Links
Search Items
Most Active Members
New Items
Directory
Directory
Quick Links
Directory Home
New Listings
Members
Members
Quick Links
Notable Members
Current Visitors
Recent Activity
New Profile Posts
Sponsors
Menu
Search
Search titles only
Posted by Member:
Separate names with a comma.
Newer Than:
Search this thread only
Search this forum only
Display results as threads
Useful Searches
Recent Posts
More...