Meniscus Lens Optical H-ZBAF3 Glass Lenses 35mm Diameter,69.2mm Focal Length ,optical Lens Coated 400-700nm for Experiment

Meniscus Lens Optical H-ZK9B Glass Lenses 15mm Diameter, 23.2mm Focal Length Coated Glass for 400-700nm Experiment High Quality

Meniscus Lens Optical H-LAF53 Glass Lenses BK7 19mm Diameter, -30.97mm Focal Length Coated Glass 400-700nm for Experiment

Meniscus Lens Optical BK7 Glass Lenses H-K9L 12mm Diameter, 29.73mm Focal Length Coated Glass for Experiment 400-700nm

Meniscus Lens Optical H-ZF7LA Glass Lenses 24mm Diameter,39.6mm Focal Length ,optical Lens Coated 400-700nm for Experiment

Meniscus Lens Optical H-K9LGlass Lenses BK7 20 mm Diameter, 55.95mm Focal Length Coated Glass 400-700nm for Experiment

Meniscus Lens Optical H-ZK14 Glass Lenses 20.5mm Diameter, 39.61mm Focal Length Coated Glass 400-700nm for Experiment

Meniscus Lens Optical ZF2 Glass Lenses 25 Mm Diameter,59.89mm Focal Length ,optical Lens Coated 400-700nm for Experiment

Meniscus Lens Optical ZF3 Glass Lenses 26mm Diameter,-45.62mm Focal Length ,optical Lens Coated 400-700nm for Experiment

Meniscus Lens Optical Glass Lenses ZK6 30mm Diameter 30.26mm Focal Length Coated Glass for Experiment 400-700nm

Optical Plano Concave Lens H-ZF7LA Glass Lenses 12mm Diameter, -9.68mm Focal Length Coated 400-700nm for Teaching Experiment

Meniscus Lens Optical Glass H-ZBAF3 Material Diameter 35mm Focal Length 69.2mm Prism Lens Customization

Double Concave Lens H-K9L Biconcave Lenses 32mm Diameter , -47mm Focal Length Optical Glass BK7 Lenses Coated 400-700nm

Glued Lens H-ZF6/H-ZK11 Achromatic Optical Glass Lenses 24.9mm Diameter ,46mm Focal Length Cemented Lens Coated 400-700nm

Double Concave Lens H-K9L Biconcave Lenses 32mm Diameter , -47mm Focal Length Optical Glass BK7 Coated 400-700nm

Glued Lens H-K9L/F7 Achromatic Optical Glass Lenses 21.8mm Diameter ,80mm Focal Length Cemented Lens Coated 400-700nm

Glued Lens H-K9L/F4 Achromatic Optical Glass Lenses 17mm Diameter 108mm Focal Length Cemented Lens Coated 400-700nm

Glued Lens H-LAF50A/H-ZF6 Achromatic Optical Glass Lenses 13mm Diameter 23.79mm Focal Length Cemented Lens Coated 400-700nm

Double Concave Lens H-K9L Biconcave Lenses 40mm Diameter , 100mm Focal Length Optical Glass BK7 Coated 400-700nm

Double Concave Lens H-K9L Biconcave Lenses 12mm Diameter , -24.12mm Focal Length Optical Glass BK7 Lenses Coated 400-700nm

Cemented Lens H-K9L/ZF2 Optcal Glued Glass Lenses Achromatic 57mm Diameter ,500mm Long Focal Length Coated 400-700nm

Plano Convex Glass Lens Diameter 6mm , Focal 5.89mm H-ZK6 Optical Glass Lenses Focusing Lens Spherical Coated 400-700nm

Meniscus lens diameter 35mm focal length 69.2mm Optical Lenses Meniscus Spherical Lens Laser Mirror Optical Lenses

Meniscus lens diameter 35mm focal length 69.2mm Optical Lenses Meniscus Spherical Lens Laser Mirror Optical Lenses

Meniscus Lens Optical H-K9L Glass Lenses BK7 15.9mm Diameter, 51mm Focal Length Glass for Experiment High Quality

Glued Lens ZF1/BAK4 Achromatic Optical Glass Lenses 13.48mm Diameter ,16.4mm Focal Length Cemented Lens Coated 400-700nm

Meniscus Lens Optical H-K9L Glass Lenses BK7 14.17mm Diameter, 23.84mm Focal Length Glass for Experiment High Quality

Meniscus lens diameter 19mm focal length -30.97mm K9 Optical Coated Meniscus Lens Meniscus glass Lens Optical glass Lenses

Meniscus Lens Diameter 7mm Focal Length 35mm Double-sided Antireflection Optical Film Can Be Coated

Double Concave Lens H-K9L Biconcave Lenses 12mm Diameter , -24.12mm Focal Length Optical Glass BK7 Lenses Coated 400-700nm

Double Concave Lens H-K9L Biconcave Lenses 12mm Diameter , -24.12mm Focal Length Optical Glass BK7 Lenses Coated 400-700nm