Product Description
This finder scope is the lightest 50 mm on the market. It weighs only 19 ounces and works with our standard 50 mm ring systems. You may use other 1.25" eyepieces with this finder scope, converting it to a small telescope. It performs very nicely with Naglers! The 50 mm objective gathers 50 times the amount of light your naked eye does so you can more easily spot dimmer objects in the night sky.
Finderscope dimensions: 9" long, 2 1/4" wide and 6" high. The main tube is about 2.16" in diameter and the dew shield is about 2.3" in diameter.
This finder scope comes in a neutral matte black finish that goes well with any telescope regardless of color. Separate helical focusers allow you to first focus the crosshair reticle, then the optical focus. The angle of the prism and eyepiece may be rotated to place the eyepiece in the most comfortable position, but it may be necessary to readjust the finder scope once the eyepiece is rotated. We supply these finder scopes without rings so you can select the ring system that works with your particular telescope. Visit our 50-60 mm finder scope ring set page to determine and order the rings you will need.
Important! When installing mounting rings DO NOT unscrew the dew shield. The objective may fall out. Always unscrew the rear assembly (adapter, prism, focuser, eyepiece) from the main tube to install the rings.
*Rear thread size for all F050 models is M52 x 1mm
*Eyepiece Focal Length = 23mm
*Eyepiece FOV = 50 degrees
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First-rate Finder
A reflex finder is adequate for most Stellarvue refractors, but if you have to place a planet in the FOV of an f/15 instrument, you need a good finder. Given that Vic has never disappointed me with any of his products, buying one of his 50 mm finders (with the reticule illuminator and mounting rings) seemed a no-brainer. The finder is actually a very fine little telescope and the ability to use different eyepieces is a definite plus. Most basic finders have mounting rings with two adjustable screws and a third spring-loaded pivot point. This makes them easy to align when calibrating the finder with you scope, but, in my experience they don't always hold that alignment. The rings for this finder each have three adjustable screws, which means it will take longer to do the initial calibration, but the finder will not lose alignment with normal handling! This is a fine piece of equipment and the last one you are likely to need!
