p5freak
Senior Member
If you set your camera to 3:2 you dont see the histogram but a circle with a cross in it. Anybody know why ?
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F717 : No live histogram with 3:2 pictures
- Thread starter p5freak
- Start date
Eric Davis
Active member
Because its not available in 3:2 mode..
Why?
I dunno.. maybe it would take up a much higher % of the screen in 3:2 mode vs full resolution mode
Why?
I dunno.. maybe it would take up a much higher % of the screen in 3:2 mode vs full resolution mode
Hal Fisher
Senior Member
Its because the histogram taken from the whole ccd while 3:2 is a crop portion of the ccd. If something extremely dark or bright was in the cut off portion (top or bottom) it would still show up on the histogram and that would be misleading. The histogram is also not present when using the digital zoom for the same reason (digital zoom is just a cropped and enlarged center portion of the full image).
Hal
Hal
Steve Cavigliano
Veteran Member
But, I'd still like to see a "live" histogram in Manual. I don't understand why you can't have it. Manual was my favorite mode with the 707. I've had to switch to AP and SP with the 717. Not that it's a big deal. I just don't understand the rationale.
Steve
http://www.pbase.com/slo2k
Steve
--
http://www.pbase.com/slo2k
Hal Fisher
Senior Member
This histogram DOES display in Manual. If you see the histogram with an X through it that means your in digital zoom and it won't display.
Hal
Hal
Wow, Steve!
Tell me you were kidding? You being one of the 7X7 gurus on the forum ,I mean one of the real experts had your camera on digizoom? Sigh ,Now I feel better. I'm normal.
John
Tell me you were kidding? You being one of the 7X7 gurus on the forum ,I mean one of the real experts had your camera on digizoom? Sigh ,Now I feel better. I'm normal.
John
Jay Aquino
Senior Member
netguru717
Leading Member
The histogram would be wrong. It is calcualted for the whole chip size.
Steve Cavigliano
Veteran Member
john,
I was just going by the manual. Page 50. "The histogram also appears when the mode dial is set to Auto icon (not Auto P) or M, but you cannot adjust the exposure"
I'm not quite sure what that means? I took it to mean no "live" histogram. But, that doesn't seem to be right. But because of this I never used the histogram in Manual. But I will start today..lol
BTW, I'm not a 7X7 guru. More like a helpful old hippie with a few cameras.
Although I've never been normal :-( Tain't nothin wrong with abnormal ;-)
Steve
http://www.pbase.com/slo2k
I was just going by the manual. Page 50. "The histogram also appears when the mode dial is set to Auto icon (not Auto P) or M, but you cannot adjust the exposure"
I'm not quite sure what that means? I took it to mean no "live" histogram. But, that doesn't seem to be right. But because of this I never used the histogram in Manual. But I will start today..lol
BTW, I'm not a 7X7 guru. More like a helpful old hippie with a few cameras.
Although I've never been normal :-( Tain't nothin wrong with abnormal ;-)
Steve
--
http://www.pbase.com/slo2k
Well Steve,
You've been more than helpful on the forum and I'm glad you took my note in jest as it was intended.
John
You've been more than helpful on the forum and I'm glad you took my note in jest as it was intended.
John
P
Peter iNova
Guest
Internally, the stage at which the histo is produced needs the entire pixel map to make it work but the 3:2 image is masked with bands top and bottom for you to be able to see which portion of the shot will eventually be saved.
Apparently the histo generator is incompatible with the other image steps that are contemporary with that mode.
Moral to the story: If you want the live histo, forgo the in-camera frame-o.
-iNova
--
http://www.itssony.com
U
Ulysses
Guest
Heheheh... that's hippies for ya. 
)
Ulysses
Repository of Some of My Stuff
http://www.imagestation.com/album/pictures.html?id=4291269101
I'm an uncle!!!
)--
Ulysses
Repository of Some of My Stuff
http://www.imagestation.com/album/pictures.html?id=4291269101
I'm an uncle!!!
p5freak
Senior Member
Just because 100 pixel on top and buttom are missing its not possible to recalculate and show the actual histogram ? I have a hard time believing that.
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