Ealing Corp 35-3961 Dielectric Filter, Deep Red Transmission

Ealing 35-3441 Visible Bandpass Optical Filter 25.4mm 1" Diameter Cd Application Cd Application for A dielectric filter Center: 478.87 nm Half power bandwidth: 7.15 nm Transmission @ max: 50% ...

Cambridge Filter Corp. 4780581 Air Filter  Condition: UsedThis item has been inspected and it is in good condition.

Ealing 25-9218 f/2 Smartt Point Diffraction Interferometer with Case and Manual From the Manual: Generates reference beam at the image Relatively insensitive to vibration and turbulence Light...