List of products by brand Borg

Borg fluorite apochromatic refractor 107FL f3.9 with ESATTO 3", 107mm diameter, 417mm focal length (f3.9), 6 elements fluorite apochromat with Canon lens, carbon fiber tube with 3 inches ESATTO focuser, M57 camera rotator, rear thread for camera connection, PLUS support rings. This wonderful apochromatic refractor with fluorite optics offers an incredible...

Borg fluorite apochromatic refractor 55FL f3.6 with ESATTO 2", 55mm diameter, 200mm focal length (f3.6), 6 elements fluorite apochromat, aluminum tube with ESATTO 2" focuser, rear thread for camera connection, PLUS support rings. Borg fluorite apochromatic refractor 55FL f3.6 with ESATTO 2" offers optical power, mechanical quality and design features at...

Borg fluorite apochromatic refractor 90FL f3.9 with ESATTO 3", 90mm diameter, 350mm focal length (f3.9), 6 elements fluorite apochromat, carbon fiber tube with 3 inches ESATTO focuser, rear thread for camera connection, PLUS support rings.