I just finished the prototype for a home-built window-mount for my K-5lls with the Sigma 150-500mm. I thought it might either be useful to some of you or inspire better ideas fro others.
Lung surgery this past February means I won't be traipsing the fields for a while, but I will be able to cruise the nearby wildlife preserves. The car makes a pretty good blind, so I was looking for the best way to have the camera convenient for shooting. Experience told me that constantly picking it up and putting it down wasn't the best method for me. Buying a mount seemed a good idea, but the Eckla Eagle is $230 and I didn't like the ones that clamp to the glass. So...
Camera mounted on car door for quick access from driver's seat.
The suction cup holds everything solid to the car door.
The camera is at eye-level and ready for shooting.
The key to this is the $7 suction cup handle which is meant to be used for glass handling. It holds everything solid to the door of the car. The rest of it is just scrap wood, a door hinge, a piece of aluminum angle, 2 u-bolts and some miscellaneous nuts, bolts and screws. Total cost about $12.00 - way better than $230! (sorry B&H)
The concept is to swing the camera inside while the car is moving and swing it out when stopped. In the driveway it all works. Once I try it out, I'll make any adjustments needed and clean it up and paint it.
If you have done this differently, I am open to other thoughts and ideas.
Don