Vacuum Lens Holder / VLHG

These are low outgassing lens holders which are ideal for using in the high vacuum conditions.

It also can be used in a UV optical system or in a clean room.
To minimize the outgassing, venting hole and grooving are provided onto screw holes and inset sections.
Specially designed polyether ether ketone resin (PEEK resin) retaining ring is used for this holder.

Common Specifications

Primary Material	Steel (SUS316L)
Finish	None

Specifications

Part Number	Compatible Optics Diameter	Compatible Optics Thickness	Clear aperture	Screw Diameter and Pitch	Optical Axis Height	Weight
VLHG-12.7	φ12.7mm	2 - 5.4mm	φ11.5mm	M13.55 P0.75	12.7mm	0.01kg
VLHG-25.4	φ25.4mm	2 - 7mm	φ23mm	M26.25 P0.75	20mm	0.03kg
VLHG-50.8	φ50.8mm	2 - 9mm	φ47mm	M51.65 P0.75	35mm	0.065kg