Alignment Tools
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1500 Grit Ground Glass on Both Sides Drilled Centering Hole Great for Viewing Beams Exiting a Lens TubeOur frosted glass alignment disks are made from 1500 grit Ground Glass Diffusers. The DG10-1500-H1 are Ø1" (Ø25.4 mm), and feature a Ø1 mm (Ø0.04") hole drilled in the center for alignment purposes. The disks are ideal for use when viewing a beam exiting a lens tube as the beam can be seen through the ground glass. An example of this is shown in the image at the top right of this page. The disks are also available mounted in SM threaded cells in the section below.
![]() Back View of VRC4CPT
These drop-in alignment plates are convenient tools for aligning visible beams in cage-based optical systems. They provide a Ø1 mm through hole at the exact center of the cage assembly (except for the CPA2, which contains a Ø5 mm through hole). For easy alignment, the through hole is surrounded by engraved rings. The VRC4CPT Alignment Plate is specifically designed to align IR beams in a 30-mm-cage-based optical assembly. The front is identical to the CPA1 (shown to the left), and the back (shown to the right) includes a non-rotating IR-sensitive fluorescing alignment disk made of the same material used in our VRC4 Viewing Card. This disk has a centered Ø2 mm through hole, while the plate has a Ø1 mm centered through hole. See the table below for more information.
![]() ERCPS Cage Plate Stops snap onto cage rods without any disassembly of the cage system. Click to Enlarge
ERCPS Cage Plate Stops mark the position of a cage plate, allowing it to be moved and repositioned in a cage system. These clamps are 0.14" thick and are compatible with Ø6 mm ER rods for 30 mm and 60 mm cage systems. Utilizing a flexure design, the clamps are secured in place using an 0.05" hex key. They can be easily clamped onto the middle of a cage rod without removing other components. |
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