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 Post subject: CCTV cameras
PostPosted: Oct Mon 02, 2017 7:47 pm 
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Joined: Mar Sun 14, 2010 2:51 am
Posts: 494
Location: Newport, Oregon, 97365 U.S.A.
I have 4 CCTV cameras - the old analog B&W kind, like for store security, that I have dragged to a couple hamfests and one radio swap to sell. Absolutely no interest. I am close to dumping them. Should I pull the camera tube and maybe the lens assembly and just dump the rest, or maybe get the power transformer too? I do not want to drag them around any longer and I don't think the value is enough to bother packing and shipping. Also I have one small monitor to match a camera. I'm thinking that if it works, that
might be used with some old computer like RS Color Computer ( I modified a Sinclair once for video output instead of TV RF. ) What think? Is it worth pulling the tube from these?
thanks- Hue


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 Post subject: Re: CCTV cameras
PostPosted: Oct Tue 03, 2017 1:01 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1134
Location: St. Louis, MO, USA
Hue;

Check eBay. I see several tv cameras for sale. Are any of these vacuum tube types vs. solid state? Some vacuum tube types are collectible.

Dennis


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 Post subject: Re: CCTV cameras
PostPosted: Oct Tue 03, 2017 4:17 pm 
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Joined: Nov Thu 11, 2010 6:03 pm
Posts: 1138
Location: Pewaukee, WI
Vintage is the main deciding point of value/collectability. Security cameras made before ~1980 can have some desirability among the early VTR (video tape recorder) collector crowd, since back then consumer cameras were basically security cameras with some extra features tacked on, and any camera that predates VHS is rare.

Post 1980 stuff is common. Most swap meets have a donation auction. Why not donate them and support the club that runs it?


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 Post subject: Re: CCTV cameras
PostPosted: Oct Tue 03, 2017 10:38 pm 
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Joined: Mar Sun 14, 2010 2:51 am
Posts: 494
Location: Newport, Oregon, 97365 U.S.A.
Good answer and good idea, thanks!
-H


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 Post subject: Re: CCTV cameras
PostPosted: Oct Wed 04, 2017 2:40 am 
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Joined: Aug Thu 12, 2010 6:25 pm
Posts: 330
Location: Durham, NC
I hate to see old TV cameras of any kind scrapped but I recognize that modern all solid state cameras of even the simplest type will outperform them handily and for just a few dollars. The oft-used 7735 and 8038 one-inch vidicons were objects of envy and desire in my youth, but probably pretty useless now. I've got a number C-mount of lenses for 1 inch imagers (some CCDs were that big!) in my stash/junk box, but I'm beginning to believe they're just more superannuated hardware, and a drag on the market.

Now that I've depressed myself and devalued the ton or so of old video equipment and parts I just moved 700 miles, I hope you find a willing recipient for your CCTV cameras. Someone must collect those things!

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Mark Nelson
A collector of TV signal boosters and UHF converters -- God help me!
tv-boxes.com


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 Post subject: Re: CCTV cameras
PostPosted: Oct Wed 04, 2017 2:07 pm 
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Joined: Jan Mon 28, 2013 9:35 pm
Posts: 1595
Location: Santa Rosa, CA
I'd hate to see these get junked. The vidicon tubes are not worth much
anymore. If you restore old TV's why not use at least one of these
to generate a test pattern? Print out the Indian Head pattern, put it
and the camera in a box with some lighting. I've got a few of these
old cameras kicking around here too and occasionally find them
for a couple of bucks at swaps.

Back when I was a kid would've drooled over a real video camera!
Steve

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'cell phones and the internet are tools, not a lifestyle'


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 Post subject: Re: CCTV cameras
PostPosted: Oct Wed 04, 2017 7:48 pm 
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Joined: Sep Thu 23, 2010 6:37 am
Posts: 12256
Location: Powell River BC Canada
Dang! I've got a slew of those. The deflection coil, vidicon, lens socket
might be desirable for old Ham CCTV .

Also, those things see things stuff that solid state sensors and recorders don't sometimes.

It is because the electronics is too stupid to lie.

Now I'm depressed too . :mrgreen:
Attachment:
Obsolete camera certificate.jpg
Obsolete camera certificate.jpg [ 165.71 KiB | Viewed 2556 times ]

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de
VE7ASO VE7ZSO
Amateur Radio Literacy Club. May we help you read better.
Steve Dow
ve7aso@rac.ca


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 Post subject: Re: CCTV cameras
PostPosted: Oct Thu 05, 2017 5:52 pm 
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Joined: Jun Fri 19, 2009 6:34 pm
Posts: 9344
Location: Long Island NY
Hate to say it but just about all hams running SSTV (slow scan TV) today are using PCs with sound cards to process the images in color and near full motion, and handle the conversions to/from the transceiver audio channel. Almost nobody is messing with black and white vidicons and trying to make deflection circuits run at fractions of their original sweep speeds any more unless it is out of antiquarian interest.

That being said, getting no takers in a couple of venues is a verdict of sorts. You might find a few power transformers to be worth hanging onto but probably not much else. If there's a young relative or a kid in the neighborhood who has a technical bent, consider giving the stuff to said youngster (with parental permission of course). You can get rid of anything with a "free at the curb now" listing on Craigslist if you don't mind strangers coming by your house and pawing through your trash. Otherwise it's "out with the old" on e-waste day.

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"Hell, there are no rules here--we're trying to accomplish something!"

Thomas A. Edison


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 Post subject: Re: CCTV cameras
PostPosted: Dec Tue 12, 2017 8:39 am 
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Joined: May Sun 07, 2017 11:35 am
Posts: 703
Location: Belrose, NSW, Australia
I love the test pattern generator idea! Even though I could do the same thing with some flash memory.
If you had a photo lab you could create a nice high quality transparency for this. Light it with a couole of white LEDs and you're away!

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Wax, paper, bitumen, cotton, high voltages - what could possibly go wrong?


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 Post subject: Re: CCTV cameras
PostPosted: Dec Tue 12, 2017 2:45 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1134
Location: St. Louis, MO, USA
Old studio cameras using iconoscope and image orthicon pick up tubes are another matter. Very collectible to some.

Dennis


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