Upgrading the optics I have found a new laser head that I want to

Lasers
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Upgrading the optics

I have found a new laser head that I want to purchase (http://www.ebay.ca/itm/262150928817) and was wondering if anyone here has used this one. I would also like to know how important it is to change the mirror holders, or if changing just the mirrors to a higher quality is all that is needed.

I like that the laser head is adjustable, easier to move the lens tube up or down to get to the proper focus distance than having to adjust the Z table height (Mine is manual so I have to set each of the 4 corners separately.)It can also use 2 different focal lengths, 50.8, and 101.6

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Thanks for the heads up.

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Aside from it’s weight & size being a problem, it looks like a really well built laser head.