Brand
Finders and the bar that carries them
A finder and a dovetail plate. Both are judged the same way on this site: by the fitting they use and by whether the listing publishes a length.
A right-angle correct-image finder shows the sky the way a star chart does, which is the whole point of buying one rather than a straight-through finder. It is a property of the optics and it is stated.
The 48 mm plate publishes its length, which is more than several rivals on the same shelf manage. What it does not name is its profile, and the page says so.
Look for what is not stated. On mechanical parts, the missing figure is usually the one that decides whether it fits.
9x · 50 mm · correct image · crosshair · rings included
A 9x50 right-angle finder with a multi-coated achromatic objective, a prism that delivers a correctly oriented image and a crosshair eyepiece, supplied with clamping rings.
Best for: Anyone who wants the finder view to match the chart without mental gymnastics
≈ €53
A short 48 mm metal dovetail plate for extending a telescope finder base to carry a smartphone mount or another accessory.
Best for: Adding a second small accessory where a finder shoe already exists
Any figure written into the body of this page was true on the day it was written. The amount shown next to each instrument is requested from the retailer as the page loads, and it is that amount, not the text, that stands.
