Where can I buy lamp in GTA / Canada ?

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just a thought

Do you ever get over to Niagara Falls?

If you could find an S50 (250 Watt) or S51 (400 Watt) High Pressure Sodium ballast locally, then you could get atlantalightbulbs.com to ship you a matching Ushio MH retrofit lamp to a mailboxes store in Niagara Falls. They would charge you a few dollars to receive the package, but probably much less than a customs broker. Then you just drive it across: Price is <$50 US, so no (or not much) customs duty to pay.

An HPS ballast should not be difficult to find: These are the most common streetlamp, parking lot, etc. lamps. Buying one locally would save you lots of shipping fees, since they weigh a ton! Make sure the ballast has a 120 VAC tap, since some only run on 277 VAC or 480 VAC streetlamp power.
 
Im from Hamilton and was looking for my projector parts locally but no luck. I found the ballast on ebay for $40 + $17 shiping though and got them to send it as a gift so i didnt pay custom fees. Get everything else you need first and set everything up and while ur doing that, keep searching ebay for a ballast because they are there, just be patient. Plus, the balllast is one of the last things you need, well kinda... 🙂 ...
 
Thanks for suggestions guys.
I found this thread
http://www.diyprojectorcompany.com/phpBB2/viewtopic.php?t=1133
I purchased
135mm Long-Throw Projection Lens Triplet
250w HQI Metal Halide Kit
It should be waiting in the post office already.
If I am lucky there will be no taxes 🙂

I also hope to be able to use that lens with OHP.
Just today I stripped 15" LCD monitor and it works much
better than my ovation 820 panel but image is way to big now.

Cheers!
 
long throw triplet

>I also hope to be able to use that lens with OHP.

You will have to add some length to the arm that holds the lens assembly above the OHP stage. Your projection lens focal length will change from around 300 mm to around 450 mm, so it will not focus an image on the screen unless you get the lens further away from the LCD. You would also not get a very bright image because the OHP fresnels send all the light to the 300 mm lens position. At the 450 mm lens position, most of the light will miss the lens. You could cure that problem by replacing the upper 330 mm fl fresnel with a 550 mm fl fresnel.

Maybe you should think about making a real DIY projector yourself, so you can see the whole picture. You will already have all the expensive parts. All you need to add are 220 mm fl and 550 mm fl fresnels from 3dlens.com, a piece of IR filter glass from DIYprojectorCompany.com (or an IR filter from exclusiv-online.com), a piece of Lexan XL10 to filter out UV (and support your fresnels), and a fan or two to pull the hot air from around your lamp.
 
WOW I got everything today.
This lens is HUGE. It is 14X15.5 cm and it is heavy.
In the mail I also got glass that is supposed to be UV filter.
However I would expect UV filter to be plexy ?
Maybe seller got confused? Can UV filter be glass ?
I don't want to go blind 🙂

Bulb is EIKO MH-DE 250/TD/4K
Ballast is IceCap 250W MH ballast
I also got sockets.

I notice that wires from ballast to lamp and on the sockets
have better insulation. In order to extend them do I need
to use better insulated wire? I am not sure that standard 110v wire can insulate 1.5 kv.

Plan was always to make real DIY projector I just wanted to it in steps that would allow me to use it through the process.

When I see all this I'll probably use OHP and build new one from scratch.

Are there any projects with detailed plans for 15" projector?
I like building things but don't want to think too much about details.
It looks like it is too easy to mismatch optics and get bad results
regardles of the effort ...

Thanks!
 
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