45° Prism for Questar scopes only, needs slip fit tube #19431-03

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The normal image in the eyepiece of a Questar 3.5” astronomical telescope or spotting scope is an upright but mirror image (reversed right-for-left). A mirror image is of little consequence in astronomical and terrestrial viewing of relatively stationary subjects (a deer is still a deer whether he’s facing left or right). However, a mirror image can be disconcerting if you are trying to read printing (the name or home port on a distant boat, for example), or if you are trying to follow quickly or erratically moving wildlife.

This premium 45° viewing angle image erecting diagonal fits into the back of a Questar scope (using an optional #19431-03 slip-fit adapter) to provide upright and correctly left-to-right oriented images with any 1.25” eyepiece. In addition to correctly-oriented images, it provides what many observers feel is a more comfortable 45° terrestrial viewing angle. It increases the magnification by approximately 8%.

The diagonal is exceptionally well made. Its precision image-erecting Amici (or roof) prism is made of costly BaK-4 glass and is fully multicoated for high light transmission. A non-marring brass compression ring with a thumbscrew holds any brand of 1.25” eyepieces firmly in place, including Questar’s thread-in Brandon eyepieces.

Shipping is free on this Questar image erector if it is purchased with a Questar scope that is being drop-shipped to you from the Questar factory. A 14-day or longer delivery time apply if this item is purchased by itself as a special order item. A $15 Questar drop-ship charge will apply if faster delivery is required and it must be drop-shipped to you from Questar.

Weight:
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6 oz.
Warranty:
1 year
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General Accessories
Image Erecting Prisms (1)
1.25" Slip-fit adapter to use a 45° image erector on a Questar
by Questar
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$75.00 
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Questar - 45° Prism for Questar scopes only, needs slip fit tube #19431-03

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Questar - 45° Prism for Questar scopes only, needs slip fit tube #19431-03
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Our Product #: 19451
Price: $460.00  FREE ground shipping - Click for more info
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Clear skies,
Astronomics


This premium Questar 45° viewing angle image erecting diagonal fits into the back of any Questar scope to provide upright and correctly left-to-right oriented images . . .





. . . our 34th year