Alstar 1.25" 90-Degree Diagonal Mirror

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Alstar 1.25" 90-Degree Diagonal Mirror

Regular Price: US$55.00

Special Price US$44.99

Availability: In stock

Supplier: A ALSTAR

Category: Electronics Camera & Photo Accessories Telescope & Microscope Accessories Telescope Accessories Diagonals

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US$89.98

Relaxed observing - with the Alstar mirror star diagonal it is very simple

Whether it's the Moon, Jupiter or a beautiful nebula - in order to enjoy observing at the telescope you should always be comfortable. In many telescopes, that is only possible by using a star diagonal - which directs the image upwards by 90°.

For any 1.25" refracting, Maksutov or SC telescope

This Alstar star diagonal has a 1.25" metal barrel. The chrome finish not only looks good, but is also practical, as the star diagonal always remains firmly attached to the focuser. The clamping screws lock the barrel firmly in place without scoring the nosepiece, as is the case with many cheaper products. In short - this barrel will keep your star diagonal in condition for virtually forever.

For a bright image - a coated mirror

The mirror has had everything that is possible optimised, within this p.rice range, to ensure you enjoy a bright image - even at higher magnifications. It is the link between your eye and the telescope - and is hence just as important.Sometimes you do not want to have to re-install a filter every time you use a new eyepiece. Perhaps you might want to observe the Moon today with a range of eyepieces - but with the same filterThat is also possible due to the filter thread provided in the star diagonal.

Filter thread - for any 1.25" filter

Sometimes you do not want to have to re-install a filter every time you use a new eyepiece. Perhaps you might want to observe the Moon today with a range of eyepieces - but with the same filterThat is also possible due to the filter thread provided in the star diagonal.

Advantages in a nutshell

Wide 90 degree angle: You can view correct image from refractor telescope stand and just look down with a comfortable angle.
Protective coating on the mirror to ensure a long life, metal barrel - for secure seating in the focuser.
More comfortable viewing orientation as you observe from above, filter thread for any 1.25" filter. Accepts standard 1.25" eyepieces.
Useful for refractor and Cassegrain telescopes - not recommended for reflectors.
1.25" 90-degree mirror star diagonal for any telescope with 1.25" connector (not suitable for Newtonians).

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1.25" 90-degree mirror star diagonal for any telescope with 1.25" connector (not suitable for Newtonians). Useful for refractor and Cassegrain telescopes - not recommended for reflectors. More comfortable viewing orientation as you observe from above, filter thread for any 1.25" filter. Accepts standard 1.25" eyepieces. Protective coating on the mirror to ensure a long life, metal barrel - for secure seating in the focuser. Wide 90 degree angle: You can view correct image from refractor telescope stand and just look down with a comfortable angle.

Item Weight: 3.98 Ounces. Finderscope: Reflex. Focus Type: Manual Focus. Objective Lens Diameter: 1.25 Inches. Brand: A ALSTAR. Manufacturer: Alstar. Date First Available: July 30, 2017. Is Discontinued By Manufacturer: No. Best Sellers Rank: #16 in Telescope Diagonals. Customer Reviews: 4.7 out of 5 stars 9 ratings 4.7 out of 5 stars. Item model number: SKU_AM_DM1D90AR. : B074DR3LGC. Item Weight: 3.98 ounces. Product Dimensions: 4.4 x 2.1 x 2.8 inches.