StarField Bahtinov Mask - 60 mm - FM-60 Global recommendation A Kowa Spotting Scope makes

A Kowa Spotting Scope makes for a great casual-use astronomical scope

and Operating Instructions

The B1800 is good for visual use and photography with standard sensors

giving you a total of ten power combinations

StarField Bahtinov Mask - 60 mm - FM-60 Global recommendation A Kowa Spotting Scope makesThis StarField Bahtinov Mask is sized for 60 mm optics. While basic, often home made focus masks have been used for quite some time, the Bahtinov mask, with it's distinctive pattern, is unique. Invented by Russian amateur astronomer Pavel Bahtinov, this mask has quickly become the astro imager's choice for fine focusing a telescope. To use, place the Bahtinov mask in front of the main optics of your scope and take a picture to see the diffraction