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Product Description

Fixed centering plate, used to align the front surface of optical components mounted in standard O-type two-axis optical mounts (such as AMM-1B) with the central axis of the post
Variable centering plate, used to align the front surface of optical components mounted in precision optical mounts (such as AMM3-1B) with the central axis of the post

LBTEK Centering Plates are designed to align the front surface of optical components mounted in LBTEK's AMM and AMM3 series optical mounts with the center of Ø1/2-inch or Ø1-inch posts. Since most standard mirror mounts use the rear plate for post mounting, the front surface of optical elements typically deviates from the post center. This alignment of the optical surface helps minimize off-axis displacement caused by post rotation.

Attribute

Main material6061-T6 aluminum alloy

Surface treatmentBlack anodized

Fixed Centering Plates, for Optical Mounts

Two M4 threaded holes
Compatible with AMM-1B standard O-type dual-axis optical mount
Screws included

LBTEK Fixed Centering Plate FCP1 is with two M4 threaded holes. One can be mounted on a Ø1/2-inch post, and the other threaded hole allows the optical mount to be installed on the centering plate, positioning the mirror surface at the center of the post's rotation axis. Includes 2 M4×10 hex socket head cap screws.

Fixed Centering Plate Installation

	Product Model	Applicable Adjustment Bracket Model	Centering plate thickness	Unit Price	Compare	Lead Time
	FCP1	AMM-1B	5.85 mm	$15.17		6 weeks

Variable Centering Plates, for Optical Mounts

1 M4 countersunk hole, one removable M4 nut
Compatible with AMM and AMM3 series mounts
Adjustable center distance range: 11 mm to 21 mm

The LBTEK Variable Centering Plate features an oblong slot with a movable M4 nut and an M4 countersunk hole. When connecting to the mount, the layout can be adjusted according to the type of mounting holes on the mount. The distance between the center of the M4 nut and the countersunk hole is adjustable from 11 mm to 21 mm, ensuring the mirror surface is aligned with the rotation axis of the connecting post. Includes 2 M4X10 hex socket head cap screws.

Variable Centering Plates Installation

	Product Model	Applicable Adjustment Bracket Model	Centering plate thickness	Positioning range	Unit Price	Compare	Lead Time
	VCP	AMM, AMM3 Series	9.0 mm	11 mm~21 mm	$20.4		6 weeks