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10mm Dia. x 4.5mm FL, Aspheric Condenser Lens

9mm Dia. x 4.5mm FL Protected Aluminum, Concave Mirror

4.5mm Dia. x 4.5mm FL, Uncoated, Plano-Convex Lens

4.5mm Dia. x 4.5mm FL Uncoated, Double-Convex Lens

10mm Dia. x 4.5mm FL, Aspheric Condenser Lens, NIR I

10mm Dia. x 4.5mm FL, Aspheric Condenser Lens, VIS-EXT

3mm Dia. x 4.5mm FL Uncoated, Double-Convex Lens

9mm Dia. x 4.5mm FL Protected Gold, Concave Mirror

10mm Dia. x 4.5mm FL, MgF 2 Coated, Aspheric Condenser Lens

3.0mm Dia. x 4.5mm FL, Uncoated, Plano-Convex Lens

4.5mm Dia. x 4.5mm FL, MgF 2 Coated, Double-Convex Lens

4.5mm Dia. x 4.5mm FL, MgF 2 Coated, Plano-Convex Lens

3mm Dia. x 4.5mm FL, MgF 2 Coated, Double-Convex Lens

3.0mm Dia. x 4.5mm FL, MgF 2 Coated, Plano-Convex Lens

4.5mm Dia. x 4.5mm FL, NIR I Coated, Plano-Convex Lens

4.5mm Dia. x 4.5mm FL, VIS 0° Coated, Plano-Convex Lens

4.5mm Dia. x 4.5mm FL, NIR II Coated, Plano-Convex Lens

3.0mm Dia. x 4.5mm FL, NIR I Coated, Plano-Convex Lens

3.0mm Dia. x 4.5mm FL, NIR II Coated, Plano-Convex Lens

3mm Dia. x 4.5mm FL, VIS 0° Coated, Double-Convex Lens

4.5mm Dia. x 4.5mm FL, NIR II Coated, Double-Convex Lens

3mm Dia. x 4.5mm FL, NIR I Coated, Double-Convex Lens

3.0mm Dia. x 4.5mm FL, VIS 0° Coated, Plano-Convex Lens

3mm Dia. x 4.5mm FL, NIR II Coated, Double-Convex Lens