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Home > Telescope accessories > Alignment accessories > Laser pointers > Howie Glatter > Howie Glatter Laser pointers 650nm 2" & 1.25"

Howie Glatter Laser pointers 650nm 2" & 1.25"

Product no.: 21629
Manufacturer: Howie Glatter

$ 397.00

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Howie Glatter Laser pointers 650nm 2" & 1.25"
Howie Glatter Laser pointers 650nm 2" & 1.25"
Howie Glatter Laser pointers 650nm 2" & 1.25"
Howie Glatter Laser pointers 650nm 2" & 1.25"
Howie Glatter Laser pointers 650nm 2" & 1.25"
Howie Glatter Laser pointers 650nm 2" & 1.25"
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Manufacturer's product description:

In order to achieve the best possible resolution and contrast, the optical elements of a telescope must be put into near-perfect alignment. Collimation is the adjustment of the position and orientation of the optical elements to achieve best performance. Laser collimation is a relatively new way to accurately and precisely collimate a telescope.

When practiced with accurate tools and correct techniques the various methods of collimation will converge to the same result, but laser collimation has several unique advantages. The laser collimator provides its own light source, so collimation can be readily accomplished or checked after dark without additional equipment. Unlike passive collimation tools, your eye position is not constrained by a peep-hole and cross hairs, and you don’t need to scrutinize elements at different distances simultaneously.

Our expert comment:

It is worth using additional accessories with the laser:

The holographic grating. is used to adjust the secondary mirror of a Newtonian telescope to very high level of precision - more information here

The self-operated Barlow. is used to adjust the main mirror of your telescope to very high precision - more information here

For Newtonian telescopes with enclosed-tube OTAs, it is worth using a 1.25 inch or 2 inch Howie Glatter tuBlug. A 45° angled section allows accurate checking of collimation. The tuBlug has a Barlow lens already built-in.

You can also use a 'Blug unit' with truss-tube Newtonian telescopes - http://astroshop.eu/?q=blug

(Marcus Schenk)

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25.06.2019
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