WILLIAM OPTICS ULTRA-CAT 131 f/4.9 REFRACTOR GEOPTIK ADAPTER FROM CANON TO CCD/CMOS Mewlon 300CRS instruction manual Mewlon

Mewlon 300CRS instruction manual Mewlon 300CRS system chart

Almost every telescope manufacturer offers a T-2 adapte for their telescopes

thanks to the fold-down rubber eyecups and long eye relief of 29mm

The Baader UFC 3D-printed Case is a sturdy storage box with hinged lid for holding all UFC filter sliders when not in use

Ergonomically designed dovetail clamping knobs

WILLIAM OPTICS ULTRA-CAT 131 f/4.9 REFRACTOR GEOPTIK ADAPTER FROM CANON TO CCD/CMOS Mewlon 300CRS instruction manual MewlonThe William Optics UltraCat 131 is a high performance 131mm apochromatic refractor designed for astrophotographers who demand top tier performance. Featuring a 5 element advanced Petzval optical design and a fast f 4. 9 focal ratio, it delivers breathtaking edge to edge clarity and vivid details, making it perfect for capturing expansive celestial views. Its robust build, exceptional optics, and innovative features redefine the standard for