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  #1  
Old 7th August 2021, 06:34 AM
big paul big paul is offline
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Default light box

I bought one of these for my wife ,but i use it more than she does .I have a big X-ray type light box for looking at my negs but I have found this just as good and a lot lighter and smaller 23.00 cheap as chips...



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  #2  
Old 7th August 2021, 07:26 AM
John King John King is offline
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If anyone else is interested I have 30" x 10" lightbox that I would like to get rid of. send me a message if you are interested.(It is to big and quite heavy to post so would have to be collected.) It has daylight quality tubes.
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  #3  
Old 7th August 2021, 11:11 AM
Mike O'Pray Mike O'Pray is offline
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I assume from Paul's pic that modern lightboxes are almost flat. I presume that there is some kind of a light behind the screen that is similar to modern TVs?

Not bad value for 23 and if my assumption about the way of lighting is correct there may be no way to change tubes but what hardly matters if like a TV the light last years.

Mike
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  #4  
Old 7th August 2021, 11:50 AM
Terry S Terry S is offline
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Quote:
Originally Posted by Mike O'Pray View Post
I assume from Paul's pic that modern lightboxes are almost flat. I presume that there is some kind of a light behind the screen that is similar to modern TVs?

Not bad value for 23 and if my assumption about the way of lighting is correct there may be no way to change tubes but what hardly matters if like a TV the light last years.

Mike
I have one of these light pads too, but paid quite a bit less on ebay, making it an even better buy!

They are very thin and seem to be a couple of sheets of white perspex with some form of led lighting in it, to put it simply.

Mine works off a two ended USB cable and I power it in the darkroom with one of the small power packs that are mostly used to charge mobile phones when out and about and when it has lost its power. I got mine from the pound shop for about 4 and it is about the size of a Mars bar.

Terry S

P.S. Just looking on ebay, these are what I'm talking about and the cheapest I could find. the power pack has p/p added but as said they are also available in the pound shop:

https://www.ebay.co.uk/itm/384289648...UAAOSwvqhg-Uhf

https://www.ebay.co.uk/itm/274571998...UAAOSwTbBfrU1y

Last edited by Terry S; 7th August 2021 at 12:02 PM.
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  #5  
Old 7th August 2021, 03:29 PM
Mike O'Pray Mike O'Pray is offline
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The mars bar chargers are new things to me Terry. It looks as if the light box is 5v and the small end of the wire that comes with it plugs into the box and the other end( the larger end) goes to the charger. How is the "mars bar" charger plugged in to the mains?

The light box wire looks as if its big end will go straight into the kind of 3 pin plug that charges a unit by simply plugging it into the mains so is the mars bar charger only required if you do not have one of these plugs and leads that come with a mobile phone?

Thanks

Mike
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  #6  
Old 8th August 2021, 12:13 PM
Terry S Terry S is offline
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Quote:
Originally Posted by Mike O'Pray View Post
t looks as if the light box is 5v and the small end of the wire that comes with it plugs into the box and the other end( the larger end) goes to the charger. How is the "mars bar" charger plugged in to the mains?
It's easily charged by putting a USB plug and cable into the power pack and then another USB plug into a USB mains plug.

Quote:
Originally Posted by Mike O'Pray View Post
The light box wire looks as if its big end will go straight into the kind of 3 pin plug that charges a unit by simply plugging it into the mains so is the mars bar charger only required if you do not have one of these plugs and leads that come with a mobile phone?

Thanks

Mike
Yes you are mostly correct on your assumption, and I wrote similar before reading the second part of your message.

The 'mars bar' charger, doesn't come with a charger, as it is connected directly to a USB mains plug by a USB cable.

And there are I'm sure, other ways of using the tablet without the mentioned power pack, like using a cable that goes directly into the mains, as long as the mains socket is close enough to where you want to use the tablet, or you have a long USB cable.

I hope that this all makes sense...

Terry S

P.S. And a cheaper power pack has just been recommended to me by ebay...:

https://www.ebay.co.uk/itm/123526022...Cclp%3A2047675
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  #7  
Old 8th August 2021, 12:55 PM
Mike O'Pray Mike O'Pray is offline
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One more obvious question which I failed to ask: How long will the lightbox operate, once fully charged, before needing another charge or does it in fact need to be constantly plugged in to the charger?

Thanks

Mike
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  #8  
Old 8th August 2021, 03:14 PM
EdmundH EdmundH is offline
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These light boxes have no internal battery, so it needs to be plugged into a usb charger or power bank whenever you want it lit


Sent from my iPhone using Tapatalk
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  #9  
Old 8th August 2021, 04:50 PM
Michael Michael is offline
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Quote:
Originally Posted by EdmundH View Post
These light boxes have no internal battery, so it needs to be plugged into a usb charger or power bank whenever you want it lit


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Or something with a live USB socket, like a computer.
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  #10  
Old 8th August 2021, 06:05 PM
Mike O'Pray Mike O'Pray is offline
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Quote:
Originally Posted by EdmundH View Post
These light boxes have no internal battery, so it needs to be plugged into a usb charger or power bank whenever you want it lit


Sent from my iPhone using Tapatalk
Ah, thanks, that answers the question. I was hoping that it might have been portable in a way the old lightbox wasn't but so be it

Mike
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