If you're a new telescope user, you might be happy using the default eyepiece(s) that your telescope comes with. But upgrading to something better can make a world of difference, opening up your ...
The result was that the image magnified by the convex objective lens was further magnified by the now-convex eyepiece lens. The only problem was that the resulting image was upside down.
HIKMICRO set a new standard for the thermal scope and clip-on market categories when it unveiled its highly anticipated STELLAR 3.0 and THUNDER 3.0 models on September 19th. These trailblazing devices ...