Magnification:20X-40X, 10X-80X with optional eyepieces and objectives
Eyepiece:WF10X/20mm high-eyepoint, wide-field; Convenient for observers wearing glasses
Optional Eyepiece:WF10X/20mm, WF15X/15mm, WF20X/10mm
Model Number:SZL6745-B1
Draw tube:binocular
Working distance:26mm-177mm
Model Number:SZM7045-J4L
Draw tube:BINOCULAR
Working distance:105mm