Hand Held Magnifiers - 5x Magnification With 25mm, 50mm, 75mm Lens Sizes | Lightweight, Compact Design For Easy Portability

Symmetric Convex Lenses - Optical Glass, Diameter 5-50 mm, Focal Length 10-200 mm | Image Formation, Light Condensing, Magnification, High Clarity

Optical Flats Lense

Penta Prisms Lense

Plano Concave Lenses - Negative Focal Length, Virtual Image Formation for Light Beam Expansion and Increased Focal Length

Symmetric Concave Lenses

Dove Prisms Lense

Hand Held Magnifiers - 5x Magnification with 25mm, 50mm, 75mm Lens Sizes | Lightweight, Compact Design for Easy Portability

Stereo Microscope - 20x Magnification, 2x Achromatic Parfocal Objective with 80mm Working Distance, Metal Body, Round Glass 82mm Stage, Adjustable Height Head, Fine Focus via Rack and Pinion Motion, WF 10x Eyepieces, Includes Dustcover and Instruction Manual

NEGATIVE MENISCUS LENSES

Plano Convex Lenses - Positive Focal Length, One Flat and One Curved Surface for Enhanced Image Quality and Aberration Reduction