LBTEK-Your Trusted Partner For Optoelectronic Experiments!

Product Description

Applicable to anisotropic optical components (such as polarizing optical components)
Comes with 360° rotation and 2° scale accuracy, angle numbers engraved every 20°
Side-mounted with locking screw
Optional set screw fixation or retaining ring fixation
Compatible with 30 mm coaxial systems

LBTEK 30 mm coaxial system rotation mounts come in four models: CRM-1AS, CRM-1BS, CRM-1ADS, and CPRM-1A. They are suitable for mounting Ø25.4 mm optical components and feature an M4 threaded hole at the bottom for connecting to rods, along with four Ø6 mm through holes. The mounts can be fixed to a 30 mm coaxial system using side M4 set screws. The CRM-1AS, CRM-1ADS, and CPRM-1A models all include SM1 internal threads and come with an SM1R retaining ring for securing optical elements with a maximum thickness of 9.4 mm. They can also be used to mount optical elements with SM1 external threads. The CRM-1BS has a smooth inner wall and secures optical elements with a minimum thickness of 7.9 mm via set screws. The rotation mounts allow continuous 360° rotation, with a dial accuracy of 2°. Angle markings are engraved every 20°, and an M4 locking screw on the side is used to secure the rotation. The CRM-1ADS, based on the CRM-1AS, features differential scales with 10 divisions on each side and a differential accuracy of 0.2°. The CPRM-1A is a precision mount with a micrometer head, offering fine adjustment travel of ±7°. The micrometer provides 1° per revolution, and the differential scale has an accuracy of 5' (0.08°).

Attribute

Material6061-T6 Aluminum Alloy

Surface treatmentBlack anodized

Applicable optical element diameterØ25.4 mm

Rod mounting threaded holeM4

30 mm coaxial system rotary adjustment mount, secured with retaining ring

Comes with 2° graduation accuracy, with angle numbers marked every 20°
Ring-locked, includes one SM1R retaining ring
Compatible with coaxial systems
Mounted with Ø25.4 mm optic component

The CRM-1AS features an SM1 internal thread and includes one SM1R retaining ring for securing optical components up to Ø25.4 mm in diameter with a maximum thickness of 9.4 mm. The mount allows continuous 360° rotation with 2° graduation accuracy, featuring angle markings every 20°. It is equipped with a side M4 locking screw (requiring a 2 mm hex wrench) to secure the rotation, and has an M4 threaded hole at the base for connecting to mounting rods.

Snap ring fixation

	Product Model	Rotation angle	Scale accuracy	Unit Price	Compare	Lead Time
	CRM-1AS	360°	2°	$51.64		6 weeks

30 mm coaxial system rotary adjustment mount, secured with set screws

Comes with 2° scale precision, with angle numbers marked every 20°
Fixed with set screws
Mounted with Ø25.4 mm optical components

The CRM-1BS features a smooth inner wall and uses an M4 rubber-tipped set screw to secure optical components with a Ø25.4 mm minimum thickness of 7.9 mm. The mount allows continuous 360° rotation with 2° scale precision, featuring angle markings every 20°. It includes a side M4 locking screw (compatible with 2 mm hex wrench) for rotation locking, and a bottom M4 threaded hole for connecting to posts.

Fastening screw fixation

	Product Model	Rotation angle	Scale accuracy	Unit Price	Compare	Lead Time
	CRM-1BS	360°	2°	$50.6		5 weeks

30 mm coaxial system rotary adjustment mount with differential reading, secured by retaining ring

Install Ø25.4mm optical components
Comes with 2° graduation accuracy, with angle numbers marked every 20°
With a precision of 0.2° differential accuracy
Ring-mounted, includes one SM1R retaining ring
Radial runout, axial runout: ≤30 μm
Compatible with coaxial systems

The CRM-1ADS features an SM1 internal thread and comes with an SM1R retaining ring to secure optical components with a maximum thickness of 9.4mm. The mount allows continuous 360° rotation with 2° scale markings and numerical angle indicators every 20°. It also includes differential scales with 10 divisions on each side, offering a maximum differential range of 2° and a differential accuracy of 0.2°. An M4 locking screw (2 mm hex wrench) on the side is provided to secure the rotation, while the base has an M4 threaded hole for connecting to mounting posts.

Snap-ring fixation

	Product Model	Rotation angle	Scale accuracy	Unit Price	Compare	Lead Time
	CRM-1ADS	360°	2°	$54.26		6 weeks

30mm coaxial system rotary adjustment mount with micrometer fine-tuning and retaining ring fixation

Comes with 360° coarse rotation, lockable, with angle markings every 20°
Differential reading accuracy 5' (0.08°)
Precision micrometer travel ±7°, resolution 1.2' (0.02°)
Retaining ring mount, includes one SM1R retaining ring
Radial runout, axial runout: ≤30 μm
Compatible with coaxial systems

The LBTEK CPRM-1A adjustment mount is suitable for installing optical components with a diameter of Ø25.4 mm and a maximum thickness of 9.4 mm, securing the optical component with a single SM1R retaining ring. It allows for 360° rotation, with markings every 20°, and the differential scale provides a resolution of 5' (0.08°). The side features a coarse adjustment locking screw. When the coarse adjustment is locked, the rotation mount position can be finely adjusted within a range of ±7° using the micrometer head. Each full rotation of the micrometer head corresponds to a 1° rotation of the mount, with an accuracy of 1.2' (0.02°). The CPRM-1A has an M4 threaded hole at the bottom for connecting to optical posts.

CPRM-1A compatible with 30 mm coaxial system

	Product Model	Rotation angle	Scale accuracy	Unit Price	Compare	Lead Time
	CPRM-1A	360°	2°	$149.96		5 weeks

30mm Coaxial System Rotary Adjustment Mount