Astro Engineering focal reducer in 1.25" size, 0.6x reduction, but this depends on where it is placed in relation to the chip. In plastic case. Perfect for webcam use where you are trying to achieve a full disk of the sun or moon. $50 posted.
UV/IR Cut filter, 1.25" size, in plastic case. Use in front of a webcam to reduce or eliminate the IR and UV effect. $85 posted.
