ZJB Two-Axis Optical Mounts with Side Set-Screw Locking

Four compact ZJB mounts combine two- or three-axis adjustment with either a 12.7 mm plain bore or an internally threaded opening labeled SM05. Their dedicated images label a 25.2×25.2 mm outline. Family artwork identifies M4×0.25 fine-adjust screws, an M4 mounting hole and an M4 nylon-tip set screw. Those labels do not establish angular resolution, travel or positioning error. The model numbers say “SM0.5” while the images say “SM05”; verify the mating thread before ordering. English artwork is illustrative.

Four configurations

ZJB-0.5-2 and -3 use a labeled 12.7 mm bore with two- and three-axis adjustment respectively. ZJB-SM0.5-2 and -3 use the image-labeled SM05 internal thread, again with two or three axes. Every model image labels 25.2 mm in both outer directions.

Adjustment and fixing

Family art labels M4×0.25 fine-adjust threads, an M4 countersunk mounting hole and an M4 nylon-tip set screw. Gold-colored knurled heads are visible. Actual angular motion per turn, total travel and locking force are not specified.

Optic interface

Plain-bore and threaded options are different interfaces. Because the listing uses both “SM0.5” and “SM05”, confirm the actual thread against the intended lens tube or optic retainer.

Performance evidence

A laser-safety marking appears as source artwork, not a safety certification. Material, load, angular range, backlash and drift remain undocumented.

Selection checklist

Choose two- or three-axis adjustment

Match the 12.7 mm bore or SM05 thread

Check M4 mounting location and clearance

Request travel, precision data and accessory list

To be confirmed

Whether SM0.5 and SM05 name the same mating thread

Angular range, resolution, backlash and stability

Material, rated load and mounting accessories

Optic inclusion and any safety certification