ZJS Top-Adjusted Two-Axis Optical Mounts

The ZJS family uses a two-axis adjustment structure accessed from above to mount optics of different diameters. Six online models are documented using their dedicated photographs, covering 0.5, 1 and 2 inch optics, 20 and 30 mm options, and the separate SM1 threaded configuration of ZJS-S1.0. Silver retaining plates, set screws and threaded rings are distinct retention methods and are not treated as one interface across every model. The source identifies M4 × 0.25 fine-thread adjustment screws and M4 mount-installation holes but gives no angular range, accuracy or overall dimensions. Check optic thickness, contact points, mounting references and overhead tool clearance. English artwork shows a retaining-plate example and is a family reference rather than a model-specific engineering drawing.

Six models and optic sizes

Dedicated images identify ZJS-0.5, ZJS-1.0 and ZJS-2.0 for 0.5, 1 and 2 inch optics, with corresponding 12.7, 25.4 and 50.8 mm diameter labels. ZJS-20 and ZJS-30 identify 20 and 30 mm optics. ZJS-S1.0 separately identifies a 1 inch optic and an SM1 threaded opening. These dimensions come from explicit image text, not suffix decoding. Optic diameter does not establish clear aperture.

Different retention methods

ZJS-0.5, 1.0, 20 and 30 photographs show a silver retaining plate. ZJS-2.0 shows set-screw retention, and ZJS-S1.0 explicitly identifies threaded mounting. General annotations describe polymer-tipped set screws, retaining plates and threaded rings as different methods; they are not merged into one ring configuration for every model. Confirm optic edges, thickness, clamping contact and supplied accessory quantities.

Two-axis adjustment from above

The main image describes a compact two-axis optical adjustment mount with adjustment access from above. A functional annotation labels M4 × 0.25 fine-thread screws for tilt adjustment but does not define each angular axis, travel, resolution or backlash. Screw pitch is not optic angle per turn or positioning accuracy. The compactness description is not converted into an overall-dimension guarantee.

Installation and supplied items

General annotations identify M4 threaded mounting holes, and an example shows an M4 base connection to a post. Dedicated photographs provide no hole spacing, center height, overall engineering drawing or material grade. Check orientation, support surfaces, tool access and optic clearance. Demonstration posts, optics and other accessories are not assumed included. Confirm load, permitted clamping force, finish and delivery separately.

Selection checklist

Choose optic diameter and retention method

Check thickness, edges and clamping contacts

Check M4 installation and overhead access

Confirm motion range, load and accessories

To be confirmed

Thickness range, clear aperture and full SM1 parameters

Overall dimensions, hole spacing, center height and tolerances

Individual axes, angular travel, resolution, backlash and load

Material, finish, optics, rings/plates, tools and delivery