Here are some images of the camera. I was able to borrow a cheap digital camera to make these images.
Image #1 8 x 10 prototype camera.
Image #2 Detail of sliding lens with positive lock to prevent the sliding lock from moving.
Image #3 Detail of custom made carbon fiber tube.
2024 –T 3 Aluminum -65 Tensile Strength (ksi) ,10 Tensile Modulus E
Carbon Fiber -200 Tensile Strength (ksi) 20 Tensile Modulus E
Image #3 Camera set up for wide angle lens
Average weight of 4 x5 and 5 x 7 cameras 7 pounds.
This prototype 8 x 10 weights 7 pounds.