45° beam splitters

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CMBS series

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Key advantages

Ready to use and easy to setup.
Ideal to create coaxial illumination solutions.
50% transmission and 50% reflection.
Easy and secure clamping system.
Compatible with telecentric lenses and illuminators.

CMBS series is a collection of 50/50 plate beam splitter modules designed to create highly efficient coaxial illumination solutions with Opto Engineering® telecentric lenses and collimated illuminators. This particular configuration allows for almost perfect coaxial illumination of shiny or matte surfaces, with no stray light or hot spots.

CMBS series is designed for 45° angle of incidence in the 430 - 670 nm waveband: one surface is beam-splitter coated while the other side features anti-reflective VIS coating.

With the CMBS series, building the perfect coaxial illumination telecentric setup is extremely easy: simply mount the telecentric lens and the collimated illuminator into the appropriate ports, then rotate the knobs to tighten the compression rings and secure the lenses. Compatible protective windows are also available.

Coaxial illumination is especially useful to illuminate plain reflective objects and effectively highlight flaws or dents, which appear in the image as dark features. Whenever you are looking for a precise and easy way to setup a coaxial illumination solution, CMBS series is the ideal choice.

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	Main optical specifications			Mechanical specifications					Compatible products
Part number	Coating	Coating	Clear aperture	Clamping size	Clamping system	Length	Width	Height	Compatible telecentric lenses	Compatible illuminators	Working distance difference	Protective windows

	front	back	(mm)	(mm)		(mm)	(mm)	(mm)			(mm)
											1	2
Select 2 or more models to compare specs Start comparing Clear selection
CMBS016	Beam splitter 50/50 @ 45°, bandwidth 430-670 nm	Normal reflectance <0.5%, bandwidth 430-670 nm	34.7	37.7	lockring	85.8	64.0	85.8	TCLWD	LTCLHP016-x	52.2	-	Quote
CMBS036	Beam splitter 50/50 @ 45°, bandwidth 430-670 nm	Normal reflectance <0.5%, bandwidth 430-670 nm	53	61.0	lockring	103.4	88.0	103.3	TCxx036, TCxMHR036-x, TCxMHRP036-x, TC1xM036-x	LTCLHP036-x	83.4	WI036	Quote
CMBS048	Beam splitter 50/50 @ 45°, bandwidth 430-670 nm	Normal reflectance <0.5%, bandwidth 430-670 nm	68	75.0	lockring	121.0	102.0	121.0	TCxx048, TCxMHR048-x, TCxMHRP048-x, TC1xM048-x	LTCLHP048-x	98.1	WI048	Quote
CMBS056	Beam splitter 50/50 @ 45°, bandwidth 430-670 nm	Normal reflectance <0.5%, bandwidth 430-670 nm	76	80.0	lockring	131.3	108.0	131.3	TCxx056, TCxMHR056-x, TCxMHRP056-x, TC1xM056-x	LTCLHP056-x	108.3	WI056	Quote
CMBS064	Beam splitter 50/50 @ 45°, bandwidth 430-670 nm	Normal reflectance <0.5%, bandwidth 430-670 nm	88	100.0	lockring	141.2	128.0	141.2	TCxx064, TCxMHR064-x, TCxMHRP064-x, TC1xM064-x	LTCLHP064-x	118.2	WI064	Quote
CMBS080	Beam splitter 50/50 @ 45°, bandwidth 430-670 nm	Normal reflectance <0.5%, bandwidth 430-670 nm	108	116.0	lockring	160.9	144.0	160.9	TCxx080, TCxMHR080-x, TCxMHRP080-x, TC1xM080-x	LTCLHP080-x	137.9	WI080	Quote
CMBS096	Beam splitter 50/50 @ 45°, bandwidth 430-670 nm	Normal reflectance <0.5%, bandwidth 430-670 nm	126	143.0	lockring	179.0	171.0	179.0	TCxx096, TCxMHR096-x, TCxMHRP096-x, TC1xM096-x	LTCLHP096-x	156.0	WI096	Quote

Last update 28 Sep 2022

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Notes

Value to be subtracted from the objective or illumiantor working distance when the CMBS is used
To be ordered separately.

Ordering information

Additional clamping mechanics are required to adequately support combination of CMBS with telecentric lenses and illuminators. CMHO series clamping mechanics can be used prior to verification of mechanical compatibility (see CMHO series mechanical drawings available online). CMHO is not compatible with the combination of the following two products: CMMR and TC13xxx.

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