2/3 axis tilt/translation mounts

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5BM57 - Large Aperture Mounts

5BM57 - Large Aperture Mounts
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Fine screw mounting thread M10x1
Travel range
Sensitivity 5 arcsec
Price list
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Attention! You can customise this product to your needs.

Special holders with two Teflon dowel pads and Teflon fixing screw. The mount is ideal for precision adjustment of 1" (25,4 mm), 2" (50.8 mm), 3" (76.2 mm), 4" (101.6 mm) or 6" (152.4) mirrors or beamsplitters.

The mount comes with 9S65M screw as standard. You may choose different screws. If you order the mount with alternative screws, please specify this in order, by appending the screw code name to the mount code. See section Fine adjustment screws for screws and their codes. A special holder with two contact lines for optics and plastic fixing screw.

Models for 1",2" and 3" optics made entirely of black anodized steel (back and front plates). Models for 4" and 6" optics use front plate made of black anodized aluminium.



varna Special flat spring for improved stability versatility and durability
varna Kinematics, orthogonal angular adjustments
varna 6° range, sensitivity 5 µm
varna Left or right hand mountable
varna Vertical and horizontal mounting
varna 1, 2, 3, 4, 6 inch apertures available


ModelApertureWeight, kg
5BM57-1 for 1”(Ø25.4) optics 0.07
5BM57-2 for 2”(Ø50.8) optics 0.18
5BM57-3 for 3”(Ø76.2) optics 0.44
5BM57-4 for 4”(Ø101.4) optics 1.04
5BM57-6for 6”(Ø152.4) optics1.4

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You can customise this product to your needs. If you do not find suitable specifications for your application please contact us for custom solution.

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