Vortex Pro Car Window MountThe Vortex Pro Car Window Mount is lightweight and compact (only 11. 9 oz. and 3. 5" tall), and has a feature not available on other window mounts in their basic configurations. What makes this window mount worth considering is that it uses an Arca Swiss mounting system. If you're digiscoping, this allows for a long QR plate to facilitate balancing your scope and camera system. If you're not digiscoping, but your spotting scope or long lens has an