Equipment For Sale

High quality Plano Convex Lens mounted in a heavy-duty cell. The lens is coated both sides, antireflective. Clear aperture is 9.4" diameter.

R = 17.85" and the focal is approximately 35.25". This would make a great collimator lens for a Fizeau interferometer (red or green laser).

$750.00 + shipping - lower 48 States only due to weight.

Novak primary mirror cell. Fits 20" I.D. Tube. Heavy duty cast aluminum.

$150 + shipping

Novak Spider and diagonal holder. Spider fits 19.5" ID.+, Holder fits 4.5" minor elliptical.

$150 + shipping

Laser head + power supply. 2.0mW. 1.75" diameter x 13" L.

$150.00. Free shipping to lower 48 States.