Rigel Automobile Window Mount
"The Automobile Window Mount is a special made accessory to the Sibir 20x50x50 and Sibir 16x32 spotting scopes, and can also be used with the Rigel 2300 and Rigel 2350 night vision binoculars This device can be used to mount optical devices on the window of an automobile, giving the user steady, crisp images while moving or stationary from the comfort of your automobile Features a universal mounting bracket thread 1/4 inch in diameter Additional features include light weight, compact construction, and ease of use Excellent for hunting and wildlife viewing from the comfort of your automobile Mounting bracket size = 1/4 inch Length = 13.7 in 35 cm Weight = 0.7 lbs 0.35 kg"