Mini-Series Rotation Mount
![](https://www.thorlabs.de/Images/GuideImages/12936_Mini-Series_Rotation_Mount_1.jpg)
- Lockable Rotation Mount for Ø1/2" Optics
- 4-40 (M3) Stud for Post Mounting
- Compact Footprint
Application Idea
Ø1/2" Linear Polarizer Mounted in the MRM05 Mini-Series Rotation Mount, Mounted onto a Ø6 mm Post
MRM05
Ø1/2" Mini-Series Rotation Mount
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![Mini-Series Rotation Mount](https://www.thorlabs.de/images/tabimages/Mini-Series_Rotation_Mount_A2-150.jpg)
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4-40 (M3) Mounting Stud for Post Mounting
Features
- Rotation Mount with 360° Continuous Rotation
- 4-40 (M3) Stud for Post Mounting
- SM05 (0.535"-40) Threaded Optic Bore for Ø1/2" Optics
- Lockable Rotational Position
- One SM05RR Retaining Ring Included
The MRM05(/M) is a lockable, continuous rotation mount for Ø1/2" optics. The mount features full 360° rotation of the mounting carriage, with a marking at every 2° engraved on the front face. The back of the mounting carriage has a knurled edge for easy grip. A setscrew with a 0.05" (1.3 mm) hex is located on top for locking the rotational position. The center aperture is SM05-threaded (0.535"-40) and accepts Ø1/2" (Ø12.7 mm) optics up to 5.8 mm thick. Optics are held in the mount with an included SM05RR retaining ring, which can be adjusted with an SPW603, SPW603L, or SPW801 spanner wrench. These mounts are designed to provide a 10 mm optic axis height when measured from the bottom of the mount to match our Mini-Series Kinematic Mounts.
The MRM05(/M) has a 4-40 (M3) mounting stud for post mounting (see image to the right), making this mount compatible with our Mini-Series Optical Post Assemblies. The mounting stud has a length that is optimal for mounting into posts, but can be removed if desired. The mounting hole has a depth of 0.09" (2.3 mm); caution should be taken in choosing a setscrew with the correct length, as damage to the part can occur.
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Rotation Mount and Stage Selection Guide
Thorlabs offers a wide variety of manual and motorized rotation mounts and stages. Rotation mounts are designed with an inner bore to mount a Ø1/2", Ø1", or Ø2" optic, while rotation stages are designed with mounting taps to attach a variety of components or systems. Motorized options are powered by a DC Servo motor, 2 phase stepper motor, piezo inertia motor, or an Elliptec™ resonant piezo motor. Each offers 360° of continuous rotation.
Manual Rotation Mounts
Rotation Mounts for Ø1/2" Optics | |||||||
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Item # | MRM05(/M) | RSP05(/M) | CRM05 | PRM05(/M)a | SRM05 | KS05RS | CT104 |
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Features | Mini Series | Standard | External SM1 (1.035"-40) Threads |
Micrometer | 16 mm Cage-Compatible | ±4° Kinematic Tip/Tilt Adjustment Plus Rotation | Compatible with 30 mm Cage Translation Stages and 1/4" Translation Stagesb |
Additional Details |
Rotation Mounts for Ø1" Optics | ||||||||
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Item # | RSP1(/M) | LRM1 | RSP1D(/M) | DLM1(/M) | CLR1(/M) | RSP1X15(/M) | RSP1X225(/M) | PRM1(/M)a |
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Features | Standard | External SM1 (1.035"-40) Threads |
Adjustable Zero | Two Independently Rotating Carriages | Rotates Optic Within Fixed Lens Tube System |
Continuous 360° Rotation or 15° Increments |
Continuous 360° Rotation or 22.5° Increments |
Micrometer |
Additional Details |
Rotation Mounts for Ø1" Optics | ||||||
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Item # | LM1-A & LM1-B(/M) |
CRM1T(/M) | CRM1LT(/M) | CRM1PT(/M) | KS1RS | K6XS |
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Features | Optic Carriage Rotates Within Mounting Ring | 30 mm Cage-Compatiblea | 30 mm Cage-Compatible for Thick Opticsa |
30 mm Cage-Compatible with Micrometera |
±4° Kinematic Tip/Tilt Adjustment Plus Rotation | Six-Axis Kinematic Mounta |
Additional Details |
Rotation Mounts for Ø2" Optics | |||||||
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Item # | RSP2(/M) | RSP2D(/M) | PRM2(/M) | LM2-A & LM2-B(/M) |
LCRM2A(/M) | KS2RS | K6X2 |
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Features | Standard | Adjustable Zero |
Micrometer | Optic Carriage Rotates Within Mounting Ring | 60 mm Cage-Compatible | ±4° Kinematic Tip/Tilt Adjustment Plus Rotation | Six-Axis Kinematic Mount |
Additional Details |
Rotation Drive Mechanism and Adjustment Range | Manual, 360° Continuous | Coarse: Manual, 360° Continuous; Fine: ±7° Micrometer |
Manual, 360° Continuous | ||||
Optic Mounting | Internally SM2-Threaded Carriage | Internal SM2 Threads in LM2-A |
Internally SM2-Threaded Carriage | ||||
Maximum Accepted Optic Thickness | 0.51" (13 mm) | 0.54" (13.7 mm) | 0.48" (12.2 mm) | 0.46" (11.7 mm) | 0.52" (13.2 mm) | 0.47" (12 mm) | 0.53" (13.4 mm) |
Post Mounting | 8-32 (M4) Tap | 8-32 (M4) Tap in LM2-B | 8-32 (M4) Tap | Four Counterbores for 8-32 (M4) Cap Screws | Six Counterbores for 8-32 (M4) Cap Screws | ||
Cage System Compatibility | N/A | Four 4-40 (M3) Taps on Rotation Dial with 60 mm Spacing |
N/A | Four Bores for Ø6 mm Cage Rods with 60 mm Spacing |
N/A | N/A |
Manual Rotation Stages
Manual Rotation Stages | ||||||
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Item # | RP005(/M) | PR005(/M) | MSRP01(/M) | RP01(/M) | RP03(/M) | QRP02(/M) |
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Features | Standard | Two Hard Stops | ||||
Additional Details |
Manual Rotation Stages | ||||||
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Item # | XRNR1(/M) | XRR1(/M) | PR01(/M) | CR1(/M) | XYR1(/M) | OCT-XYR1(/M) |
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Features | Fine Rotation Adjuster and 2" Wide Dovetail Quick Connect |
Fine Rotation Adjuster and 3" Wide Dovetail Quick Connect |
Fine Rotation Adjuster and SM1-Threaded Central Aperture |
Fine Pitch Worm Gear | Rotation and 1/2" Linear XY Translation | |
Additional Details |
Motorized Rotation Mounts and Stages
Motorized Rotation Mounts and Stages with Central Clear Apertures | |||||
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Item # | DDR25(/M) | PDR1C(/M) | PDR1(/M) | PDR1V(/M) | PDXR1(/M) |
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Features | Compatible with SM05 Lens Tubes, 16 mm Cage System, & 30 mm Cage System |
Compatible with 16 mm Cage System |
Compatible with SM05 Lens Tubes & 30 mm Cage System |
Vacuum-Compatible; Also Compatible with SM05 Lens Tubes & 30 mm Cage System |
Compatible with SM05 Lens Tubes & 30 mm Cage System |
Additional Details |
Motorized Rotation Mounts and Stages with Central Clear Apertures | |||||
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Item # | K10CR1(/M) | PRM1Z8(/M)a | DDR100(/M) | ELL14 | HDR50(/M) |
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Features | Compatible with SM1 Lens Tubes & 30 mm Cage System | Compatible with SM1 Lens Tubes, 16 mm Cage System, 30 mm Cage System |
Compatible with SM1 Lens Tubes, Open Frame Design for OEM Applications |
Compatible with SM2 Lens Tubes |
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Additional Details |
Motorized Rotation Mounts and Stages with Tapped Platforms | ||
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Item # | PRMTZ8(/M)a | ELL18(/M)b |
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Features | Tapped Mounting Platform for Mounting Prisms or Other Optics | Tapped Mounting Platform, Open Frame Design for OEM Applications |
Additional Details |