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  #46  
Old 12-26-2013, 03:28 PM
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See yourself on Color TV!
 
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Is your camera set for auto white balance? Fixed setting for "shade" might work better.

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  #47  
Old 12-26-2013, 04:53 PM
Phototone Phototone is offline
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I'm old enough to remember seeing Color TV in the late 1950's in my town. However, there was so little programming, and especially during daytime hours when the department stores were open, that it was hard to see a color show on a color set. No local color from our 2 local stations, but the NBC affiliate could pass thru network color. I do remember one Christmas season seeing a 21" roundie in a store window at night showing a Perry Como Christmas show. It was very nice as we drove by. I also remember one time staying at a motel in Tulsa, there was a big roundie color TV in the lobby, and I sat and waited for "some" color..but alas all I was able to see was the station call sign with the number in color. I was a child very eager to experience color TV, but found it very very hard to see any. My families first color TV was the Motorola 23" rectangular model..the first rectangular model from a US manufacturer, AFAIK. Its kind of ironic that I'm seeing vastly more color images from 1950's TV's than I could ever dream of seeing in the 1950's.

As far as comparing different brands and models, well just forget it. If a store had a color set, they had ONE on display. No multiple models to choose from. But I am from a fairly small town. Probably under 60,000 people in the 1950's.

Last edited by Phototone; 12-26-2013 at 04:57 PM.
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  #48  
Old 12-26-2013, 05:19 PM
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Santa Sweater Mystery

Suspecting a camera problem, I re-did the display of the Santas on both 21CT55 and 27in Sony.
Judy and I agreed both TVs produced identical coloration of the two Santa's sweaters. I screen-shot both TVs and downloaded the camera.
I was astonished to observe the "fuller Santa" was black/white on both TVs while the "lesser Santa" was black/white on the Sony but blue/white and his hair was bluish on the 21CT55! Why this should be is not understood by me.








Last edited by Tomcomm; 12-28-2013 at 11:49 AM.
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  #49  
Old 04-23-2014, 06:29 PM
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  #50  
Old 04-23-2014, 07:13 PM
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Skinny Santa has some blue highlights in his hair, too. He looks a little punk rock! I think it may be your camera's white balance, though.
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  #51  
Old 05-01-2014, 05:44 PM
bozey45 bozey45 is offline
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Heathkit GR-2000

Yes, it was the GR-2000, the 25 inch set. I still have it in the early American style large cabinet, built it in 1976.
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  #52  
Old 11-22-2014, 12:32 PM
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More 21CT55 Screen Shots

Still no resolution of the “Santa Blue Sweater” issue. Since this thread is a documentation of 21CT55 video monitor screen shot picture quality, I am including my Flicker photo site’s new Photo Stream format I recently discovered. Again, the stitched photos show the 21CT55 shots on top with the Sony comb filtered shots below. Flicker Photo Screen presentation size is much bigger then the early grouping previously presented. Relative picture detail of the RCA vs Sony is readily discernible.

https://www.flickr.com/photos/tomcomm/with/4275574892/

Last edited by Tomcomm; 11-22-2014 at 12:38 PM.
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  #53  
Old 11-22-2014, 09:44 PM
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Several of the stitched shots (but not all) are bluer on the top.
Do I understand correctly that all these appeared to match to the eye?

Is your camera white balance set to a fixed setting (daylight), or is it set to automatic? You cannot get consistent results on automatic white balance, as the camera is trying to guess the lighting conditions, and slight variations in the content can cause it to move one way or another.
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  #54  
Old 12-02-2014, 08:52 PM
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Testing New Screen Shot Process

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  #55  
Old 12-03-2014, 11:52 AM
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Wow, looks like a terrible level of block/line artifacts on my screen. Maybe this is from converting the original to a smaller resolution?
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  #56  
Old 12-03-2014, 02:19 PM
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Wayne....Does the guy look better in this screen shot? The Photo Bucket seems to over-drive on high detail photos. The new guy has less intense detail.

The cat is in a silver steel drum but displays in deep blue. So I'm going to work on the cat screen shot and find out the problem. Surely this anomaly would have been obvious to the human eye viewing the 21CT55 crt......Tom






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  #57  
Old 12-03-2014, 06:20 PM
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See yourself on Color TV!
 
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It's better, but not completely clean. Not a good endorsement for Photobucket!
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  #58  
Old 12-03-2014, 07:02 PM
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dtvmcdonald dtvmcdonald is offline
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You need to do what I did:

Get some nice JPEG files from wherever.

Get a DVD or Bluray player that will play them. Get a GOOD Blonder-Tongue
modulator, either an agile one or a BAVM-SAM one. A plain BAVM will do,
but the SAM does better at +Q to -Q transitions.

Play one to your test set.

Take a picture with your camera, very preferably to RAW.

Use your raw processor, whether from the manufacturer or
Photoshop or whatever. I use Photoshop. Put the computer monitor on the
to of the TV. Have the jpeg playing. Simply match the
developed picture on the monitor to the image on the screen.
Save the image as jpeg.

Voila! Upload the original and TV image to here. The reader
can compare them on his monitor, and will see the EXACT same
difference you did.
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  #59  
Old 12-03-2014, 07:40 PM
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See yourself on Color TV!
 
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DTVmcdonald, you would have Tomcomm match two pictures and then expect them to show a difference? I don't understand.

I thought the problem, which is already being illustrated, is that the TV pictures do not look blue to the eye but sometimes come out blue with the camera.
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  #60  
Old 12-03-2014, 09:08 PM
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I think what he means is that he adjusts the primary levels in the file that contains the TV screen shot so that it looks the same color wise on his computer monitor as the TV screen image appears to the eye in person.

DTVmcdonald: In your previous post about Blonder Tongue modulators you talk about "SAM" type modulators having better Q polarity transitions. I've never heard of a BT "SAM" model are you perhaps confusing "SAM" for SAW models?
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