A dirty or smudged window on your red dot viewfinder makes the red dot difficult to see, and then focusing becomes difficult. A cover for your red dot viewfinder keeps that window clean and dry when you’re not observing. The TG-RD from Telegizmos is such a small cover that you put over the viewfinder.
You use it on a red dot viewfinder, like the Omegon LED red dot viewfinder. There are different shapes and sizes, so take a look at how big your copy is.
Convenient if you keep the telescope set up, but the dust and scratches on the viewfinder are also kept out of the transport bag. Turn the viewfinder off after use, so that the battery does not run out. More parts for your viewfinder can be found at our finder accessories.
If you have a Telrad, there is the cover for the Telrad viewfinder.





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