Optically Worked Double Convex Glass Lens, 75mm Diameter, 500mm Focal Length Microscopy_Microscopy Equipment &Supplies Long-focal double-convex glass lens at

Long-focal double-convex glass lens at 75mm diameter and 500mm focal length

75-inch frame for bench storage between uses in teaching chemistry and biology labs

Life-size stomach model opens to reveal mucosal folds

and follicular stages from primordial through mature corpus luteum for reproductive anatomy and histology teaching

Optically Worked Double Convex Glass Lens, 75mm Diameter, 500mm Focal Length Microscopy_Microscopy Equipment &Supplies Long-focal double-convex glass lens atLong focal double convex glass lens at 75mm diameter and 500mm focal length, the f 6. 7 geometry pushing the focal point downrange for projection style real image formation across long benches.