These beam expanders are designed to work with C-mount threaded cameras that have 4.5 mm imager back focal spacing or with CS (12.5 mm) back focal spacing. The 4X beam expander is an expanding telescope that images the beam as it looks at 8 mm from the end of the expander onto the CCD while enlarging the image 4X.

• C-mount
• 4X beam expanding telescope
• 400 to 1800 nm wavelength range
• Screw-on filter and beam splitter compatible
• UV converter for imaging beam in 193-360 nm wavelengths
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