WebCam Adapter

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Webcam Adapter

I've been using my Meade DS114 ( 114mm f8 ) reflector telescope and Philips TouCam III for a while now at prime focus which makes the field of view rather narrow around 10.4 x 13.9 arcmin. I recently bought a f.6 reducer do get a bit wider FOV. However, when I attached it to the camera and place it in the telescope I couldn't focus the image.

I determined that I needed to get deeper into the focusing tube. After pondering the problem I decided what I needed was a bushing that would fit snuggly into the 2" focus tube and allow me to put the 1.25" camera adapter into it.

So I ended up making a bushing out of .75" MDF (Medium Density Fiber board)

If you need an adaptor and don't feel you can make one yourself, contact Steve Mogg at WebCaddy. He can probably make you one for around $30 plus shipping.

	To cut out the bushing I used an adjustable hole saw on my drill press. I first cut the 1.25" hole partially through so that I could use center hole cut by the centering drill as a center point for the outside ring. I then changed the saw to cut the 2" outside diameter ring completely through. To clean out the hole I the middle I again changed it to the 1.25" size and cleaned it out. A little sanding finished the job. This is the holes aw I used
	The webcam inserted in the bushing
	Another shot of the webcam in the bushing. I now leave the bushing on the webcam and use it also when imaging a prime focus since it give me better focusing range.

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