Antares 7.5 X 50mm blue right angle finder

$84.50

Availability: More on the way

This right-angle finder is available as a more-convenient replacement for the straight-through 8 x 50mm finder supplied as standard equipment with many Meade catadioptric telescopes, such as all past and present LX200 models . . .
Our Product #: 750BU
Antares Product #: FR50BU
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Product Description

This right-angle erect image finderscope is a sensible replacement for the straight-through inverted image 8 x 50mm finder supplied as standard equipment with many Meade catadioptric telescopes, such as all past and present LX200 models. It also is available as an upgrade for the 6 x 30mm finder supplied with many other Meade catadioptric telescopes, such as the LX10, LX50, an older 2080, etc.

The right-angle first-surface mirror diagonal gives images that are upright, but mirror-image reversed, just as they are in the eyepiece of a refractor or catadioptric telescope. This makes the finder particularly useful with Meade refractor and Schmidt-Cassegrain scopes, as the finder's image orientation matches the upright mirror-image orientation you see in the scope's eyepiece.

Its large 50mm fully-multicoated achromatic doublet objective lens has a limiting magnitude of 11, fainter than the stars on any commercial star chart, making it easy for you to locate faint nebulas and galaxies. The field of view is a generous 7 degrees wide and the eye relief is a very good 15mm. There's a rolldown rubber eyecup for eyeglass use. The finder weighs 17.6 ounces, without optional finder bracket. It will fit into the standard 8 x 50mm finder dovetail supplied with most Meade scopes that come with a straight-through 8 x 50mm finder. If you're upgrading from a smaller finder, reflector-type dual mounting rings and an SCT-type quick release dovetail bracket are available as options. The 54.5mm diameter body of the finder is aluminum, painted in Meade blue and internally baffled for higher contrast. The black anodized aluminum lens cell has an extra long integral shade to retard the formation of dew and shield the objective from ambient light. The lens shade has internal anti-reflection grooving for higher contrast.

The supplied crosshair eyepiece is removable and has a standard 1.25" barrel. It is held in place by a thumbscrew to allow easy orientation of the crosshairs to match the optical axis of the scope. You first rough-focus the finder by loosening the thumbscrew in the diagonal's eyepiece holder and sliding the eyepiece in and out of the diagonal until it is focused on infinity. The thumbscrew is then tightened to hold that focus. A diopter ring on the eyepiece allows you to fine-tune the focus for individual observers without having to loosen the thumbscrew or move the eyepiece.

Tech Details

Weight 18 oz
Warranty 1 year

Reviews

Review by:
I've had two of these Antares right angle finders over the years and have found them to be much more comfortable to use compared to the typical straight thru finders. Well made with nice optics (as nice as can be expected for such a fast little lens). On several occasions I found myself just enjoying the bright, 7.5x view of the milky way through the finder. Made in Canada is a nice bonus! (Posted on 9/26/2019)
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