Videokarma.org TV - Video - Vintage Television & Radio Forums

Videokarma.org TV - Video - Vintage Television & Radio Forums (http://www.videokarma.org/index.php)
-   Early Color Television (http://www.videokarma.org/forumdisplay.php?f=36)
-   -   Westinghouse K840CK15 Restoration (http://www.videokarma.org/showthread.php?t=270450)

old_tv_nut 11-25-2022 01:52 PM

Beautiful!

ARC Tech-109 11-26-2022 04:29 AM

I must say THAT is an impressive picture on the roundie, wow!

John Adams 11-26-2022 08:18 PM

It is a beautiful picture. I watched a Disney special back in late 54 or early 55 on a 15” RCA at one of the tv stations in Jackson, and fell in love with color tv and the technology. You have done a wonderful restoration on that set.

etype2 11-27-2022 02:04 PM

Thank you!!!

Mike Doyle did the chassis restoration and we had help and advise from VK members and the ETF. Many thanks.

I have a shot showing the cabinet with screen lit.

https://visions4netjournal.com/wp-co...09EE92A66.jpeg

etype2 12-16-2022 05:35 PM

Shot with Sony A6300 on tripod in dark room of live NBC telecast, Carrie Underwood, no freeze frame.

Original image shot in RAW, auto developed with Affinity 2.0.3 for iPad. processed as a TIFF RGB16 bit file, Display P3 color format, 6788 X 4525, exposure 1/15s, Aperture F5.6, ISO 500, FL 50mm. Dumbed down to 1668 X 973 PNG for uploading to this forum.

https://visions4netjournal.com/wp-co...E7B334D4E.jpeg

https://visions4netjournal.com/wp-co...0508DA870.jpeg

https://visions4netjournal.com/wp-co...B398A9A8D.jpeg

etype2 09-01-2023 09:42 AM

Good day to all and happy Labor Day weekend.

Update September 1, 2023
The below 9 screenshots in the slideshow were taken September 1, 2023, marking the 4th anniversary of the restoration of our Westinghouse H840CK15 by Mike Doyle and myself. The set is holding up nicely and we’ve made zero adjustments since last year. We just power it up and it takes about 20 minuted to stabilize with optimum image quality. I don’t mess with the controls. The set is 69 years old!

The screenshots were taken with a Sony A6300 24MP camera atop a tripod, in a darkened room with one lit LED 3500 Kelvin lamp, shot in RAW+JPEG. The photos were processed by Lightroom for iPad in TIFF format, Display P3 color format, 16 bit depth at full resolution of my camera. File size in TIFF average 144MP, so we had to dumb down the images with these PNG files averaging 8MP.


The camera settings were 6000×4000, sometimes cropped, auto white balance, exposure 1/15s, aperture F/25, auto ISO: 20,000, (explains the grain) focal length 40.0mm, exposure: manual, metering mode: Pattern. Shortly I will post one TIFF file to show the detail.

Slideshow images: (For slideshow, https://visions4netjournal.com/westi...r-tv-part-two/. Scroll down to bottom of page.)


https://visions4netjournal.com/wp-co.../IMG_7470.jpeg

https://visions4netjournal.com/wp-co.../IMG_7472.jpeg

https://visions4netjournal.com/wp-co.../IMG_7473.jpeg

https://visions4netjournal.com/wp-co.../IMG_7474.jpeg

https://visions4netjournal.com/wp-co.../IMG_7475.jpeg

https://visions4netjournal.com/wp-co.../IMG_7476.jpeg

https://visions4netjournal.com/wp-co.../IMG_7477.jpeg

https://visions4netjournal.com/wp-co.../IMG_7478.jpeg

Test image, 144MB TIFF file, unfortunately down converted to a 10MB JPEG file by WordPress, host of my website. You can still see the dot structure, but not the full dynamic range of the image. Viewing on an extended gamut color monitor is recommended.

https://visions4netjournal.com/wp-co.../IMG_7396.jpeg

old_tv_nut 09-01-2023 11:06 AM

Nice!

etype2 10-26-2023 09:11 PM

Just discovered we uploaded low res screenshots in the above previous post. I copied the images from my site which dumbs the images down to help the loading speed.

Here are the same files, this time at full resolution with one more just added.

https://visions4netjournal.com/wp-co.../IMG_7395.jpeg

https://visions4netjournal.com/wp-co.../IMG_7401.tiff

https://visions4netjournal.com/wp-co.../IMG_7402.jpeg

https://visions4netjournal.com/wp-co.../IMG_7403.jpeg

https://visions4netjournal.com/wp-co.../IMG_7405.tiff

https://visions4netjournal.com/wp-co.../IMG_7406.tiff

https://visions4netjournal.com/wp-co.../IMG_7409.jpeg

https://visions4netjournal.com/wp-co.../IMG_7418.jpeg

https://visions4netjournal.com/wp-co.../IMG_9054.jpeg

etype2 11-23-2023 10:51 PM

HAPPY THANKSGIVING TO ALL.

Auto processed by Lightroom.

https://visions4netjournal.com/wp-co.../IMG_9882.jpeg

https://visions4netjournal.com/wp-co.../IMG_9883.jpeg

Four more added 11/26/23.

https://visions4netjournal.com/wp-co.../IMG_1025.jpeg


https://visions4netjournal.com/wp-co.../IMG_9648.jpeg

https://visions4netjournal.com/wp-co.../IMG_9652.jpeg

https://visions4netjournal.com/wp-co.../IMG_9651.jpeg

kvflyer 11-24-2023 08:56 AM

They sure had the colors great with original CRTs. I guess compromise on brightness shifted the colors away from "Perfect".

Nice, thanks.

etype2 11-24-2023 07:51 PM

Quote:

Originally Posted by kvflyer (Post 3254490)
They sure had the colors great with original CRTs. I guess compromise on brightness shifted the colors away from "Perfect".

Nice, thanks.

I think the early years color chain equipment development couldn’t compare to today’s equipment.

I’ve updated my last post with three more images from the 2023 Thanksgiving parade.

etype2 01-02-2024 01:06 PM

Happy New Year to all.

Here is a short video made from yesterday’s Pasadena Rose Parade. NBC’s 70TH year telecasting the color spectacle and we shot various screenshots on a 70 year old Westinghouse H840CKK15.

https://videos.files.wordpress.com/r...e-parade-3.mov

Three screenshots.

https://visions4netjournal.com/wp-co.../IMG_0586.jpeg

https://visions4netjournal.com/wp-co.../IMG_0587.jpeg

https://visions4netjournal.com/wp-co.../IMG_0588.jpeg

Steve D. 01-02-2024 02:11 PM

Happy New Year Marshall,

Your off screen photos remain, IMO, the best images I've ever seen from a vintage 15GP22 color receiver. Always a treat to view them. Hopefully, some day, I can get my RCA CT-100 working again.

-Steve D.

etype2 01-03-2024 11:55 AM

Thanks Steve.

Penthode 01-05-2024 08:46 PM

Did anyone see this thread in number of views now exceeds the speed of light (in miles per second)?


All times are GMT -5. The time now is 03:32 PM.

Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
©Copyright 2012 VideoKarma.org, All rights reserved.