Precise, Practical, Compact, Portable
Adopting Greenough optical system, SZN71 with compact structure is sleek and sporty. Newly designed optical path and click stop function, make it more precise and practical for inspection of electronic components and PC board in industrial field, also ideal for scientific research, education and antiques identification etc.
Simple image output switch, click stop and magnification lock, relieves fatigue from extended use.
Click stop function
The zoom adjustment knob has click stops. This is a key improvement which ensures accurate magnification and is very useful for calibrated measurement especially when digital imaging.
DOF and flatness
Featuring a Greenough optical system with a convergence angle of 10 degree, and wide field 22mm plan eyepieces, the SZN71 has excellent flatness and depth of field.
Three auxiliary objectives, 0.5×, 0.7×, 1.5×, allows total magnifications from 3.3X to 135X. The maximum working distance is 177mm and the minimum is 47mm.
|Viewing Head||45° inclined trinocular head with fixed eyepiece tube, inter-pupillary range: 52mm – 76mm, with click stop and interlock mechanism|
|Objectives||Zoom objective 0.67× – 4.5×, working distance: 110mm|
|Auxillary Lenses||0.5× @ 177mm, 0.7× @ 120mm, 1.5× @ 47mm|