1PC 15mm K9 Optical Glass -194mm Long Focal Length Plano Concave Lens Minifier Lenses R 100mm

1PC 20mm K9 Optical Glass Plano Concave Lens Long Focal Length --967.5mm -3870mm -49mm Minus Minifier Lenses

20mm Dia K9 Optical Glass -1935mm Super Long Focal Length Plano Concave Lens Minifier Lenses

12.7mm K9 Optical Glass Focal Length 15mm 30mm 40mm Plano Concave Lens Optics Minifier 1PC

20mm K9 Optical Glass Negative Focal Length -49mm Plane Concave Lens Plano Minifier Concave Lentes Diverge Parallel Light Lenses

6mm 12.7mm 20mm Mini K9 Optical Glass Plano Concave Lens Focal Length Plano-concave Focusing Imaging Lenses Minifier Lentes

1PC 12mm K9 Optical Glass Double Concave Glass Lens Minifier Lenses Focal Length -24.12mm -19.3mm Biconcave Aspheric Lentes

12.7mm Mini K9 Optical Glass Focal Length 15mm 30mm Optics LED Plano Concave Glass Lens 2PCS

6mm 12.7mm 20mm Plano Concave Lens Focal Length K9 Optical Glass Plano-concave Focusing Imaging Lenses Negative Minifier Lentes

Diameter 20mm Focal Length F25/30/40/60/80/100mm K9 Material Plano-convex Lens Optical Glass Concave Lenses

12mm K9 Optical Glass Double Concave Glass Lens Minifier Lenses Focal Length -24.12mm -19.3mm Biconcave Aspheric Lentes 1PC

12.7mm Mini K9 Optical Glass Focal Length 15mm 30mm Optics LED Plano Concave Glass Lens 2PCS

10PCS 50mm Optical Glass Focal Length -100mm Double Concave Lens Biconcave Lenses Minifier Imaging Bi-concave Lentes

10PCS 50mm Optical Glass Focal Length -100mm Double Concave Lens Biconcave Lenses Minifier Imaging Bi-concave Lentes

K9 Plano Convex Diameter 25mm Focal Length 100mm Optical Film Large Glass Plano Convex Lens Convex Lenses Spherical Plano

50mm Optical Glass Double Concave Lens Focal Length -90mm -100mm -150mm Biconcave Focusing Lenses Experiment Minifier Lentes

K9 Plano Convex Diameter 63mm Focal Length 100mm Optical Film Optical Lens Spherical Glass Plano-convex Lenses Spherical Plano

K9 Plano Convex Diameter 30mm Focal Length 100mm Optical Film Large Glass Plano Convex Lens Convex Lenses Spherical Plano

10mm Dia Mini Optical Glass Focal Length -15mm Optics LED Plano Concave Glass Lens 2PCS Minifier Lens

K9 Plano Convex Diameter 63mm Focal Length 100mm Optical Film Optical Lens Spherical Glass Plano-convex Lenses Spherical Plano

D25.4*4mm Plano Concave Cylindrical Lens K9 Optical Glass Focal Length -13000mm Condensing Lenses Accept customization

6mm Mini K9 Optical Glass Focal Length -11.3mm Double Concave Lens Biconcave Minifier Lenses 520nm AR Coating Projection Lentes

K9 Plano Convex Diameter 15mm Focal Length 30mm Optical Film Large Glass Plano Convex Lens Convex Lenses Spherical Plano

100mm Diameter Optical Teaching lenses Focal Length -300mm Optics Double Concave Lens Biconcave Minifier Lens

30mm K9 Optical Glass Focal Length 100mm Plano Convex Lens Light Focusing Lenses 1PC