Product: 3D objective Viewer Key benefits Continuous, parfocal zoom for efficient inspection: 0.7X to 4.5X continuous zoom with a 6.4 to 1 zoom ratio maintains focus while changing magnification so you spend less time refocusing. Clear working distance and field of view for practical tasks: 1X objective provides a 100 mm working distance and a field of view range from 17.6 mm down to 2.7 mm, allowing comfortable access to the work area while keeping details visible. Flexible eyepiece and center distance adjustment: standard 0.5X eyepiece with slightly adjustable center distance improves viewing comfort for different operators and reduces eye strain during long sessions. Robust construction for long service life: built from quality materials for durable, stable performance under frequent use. Specifications Model color designation: 3D objective Viewer Eyepiece: 0.5X, center distance slightly adjustable Objective: standard 1X objective lens Working distance: 100 mm Field of view: 17.6 mm to 2.7 mm Zoom range: 0.7X to 4.5X continuous, zoom ratio 6.4 to 1, parfocal imaging Objective lens interface thread size: M24x1/36 inch Construction: quality materials for stable, longterm use What makes this product stand out Parfocal zoom keeps features in focus while changing magnification, saving time and improving accuracy during detailed work. A long 100 mm working distance provides ample room for tools and hands, making the viewer practical for assembly, inspection, and rework tasks. The broad field of view at lower magnification and finer detail at higher magnification make the viewer versatile for inspection of both larger assemblies and small components. Durable materials and stable mechanical design reduce maintenance and downtime. Compatibility and integration Designed to mate with optical systems that accept an objective interface thread size of M24x1/36 inch. Suitable for integration into inspection benches, stereo microscope stands, and optical assemblies that accommodate the specified eyepiece and objective dimensions. Practical use scenarios Electronics assembly and rework: Inspect solder joints, surface mount components, and PCB traces with a comfortable working distance and parfocal zoom for quick magnification changes. Quality control and inspection: Verify part geometry and surface details on small mechanical components and assemblies, switching magnification without losing focus. Precision assembly and laboratory work: Perform delicate assembly or inspection tasks where stable optics, clear field of view, and an unobstructed working space are required. Included advantages for buyers Immediate usability with standard 0.5X eyepiece and 1X objective configuration. Reduced operator fatigue due to adjustable center distance and ergonomic working distance. Reliable performance over time because of quality materials and stable construction. If you require specific compatibility details for your existing optical system, confirm that the objective thread size M24x1/36 inch and the eyepiece specifications match your equipment before installation.