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4.0mm Dia. x 6.0mm FL, YAG-BBAR Coated Plano-Convex Lens

Original price was: $106.40.Current price is: $31.99.
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4.0mm Dia. x 8.0mm FL, MgF 2 Coated, Plano-Convex Lens

Original price was: $77.00.Current price is: $23.99.
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4.0mm Dia. x 8.0mm FL, NIR I Coated, Plano-Convex Lens

Original price was: $92.40.Current price is: $27.99.
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4.0mm Dia. x 8.0mm FL, NIR II Coated, Plano-Convex Lens

Original price was: $92.40.Current price is: $27.99.
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4.0mm Dia. x 8.0mm FL, Uncoated, Plano-Convex Lens

Original price was: $68.25.Current price is: $20.99.
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4.0mm Dia. x 8.0mm FL, VIS 0° Coated, Plano-Convex Lens

Original price was: $92.40.Current price is: $27.99.
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4.0mm Dia. x 8.0mm FL, VIS-NIR Coated, Plano-Convex Lens

Original price was: $100.10.Current price is: $30.99.
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4.25″ Diameter x 17.5″ FL Uncoated, Parabolic Mirror

Original price was: $485.73.Current price is: $48.00.
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4.25″ Diameter x 25.5″ FL Uncoated, Parabolic Mirror

Original price was: $485.73.Current price is: $48.00.
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4.25″ Diameter x 34″ FL Uncoated, Parabolic Mirror

Original price was: $485.73.Current price is: $48.00.
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4.25μm 25mm Diameter, IR Shortpass Filter

Original price was: $827.33.Current price is: $82.00.
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4.26µm CWL, 25.0mm Diameter, 0.12 FWHM, IR Bandpass Filter

Original price was: $819.00.Current price is: $81.00.
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4.30 x 2.05mm, 0.575 ROC, 750μm Pitch, Fused Silica, 1 x 4 Linear Microlens Array

Original price was: $155.00.Current price is: $46.99.
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4.5 x 80.5mm FL, Grade 1, Double-Convex Lens

Original price was: $13.93.Current price is: $10.99.
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4.50μm, 12.5mm Diameter, Infrared Longpass Filter

Original price was: $588.00.Current price is: $58.00.
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4.50μm, 25mm Diameter, Infrared Longpass Filter

Original price was: $1,029.00.Current price is: $102.00.
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4.50μm, 50mm Diameter, Infrared Longpass Filter

Original price was: $1,813.00.Current price is: $120.00.
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4.5mm Dia. x 4.5mm FL Uncoated, Double-Convex Lens

Original price was: $76.30.Current price is: $22.99.
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4.5mm Dia. x 4.5mm FL VIS-EXT Coated, Double-Convex Lens

Original price was: $103.60.Current price is: $31.99.
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4.5mm Dia. x 4.5mm FL YAG-BBAR Coated, Double-Convex Lens

Original price was: $103.60.Current price is: $31.99.
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4.5mm Dia. x 4.5mm FL, MgF 2 Coated, Double-Convex Lens

Original price was: $85.40.Current price is: $25.99.
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4.5mm Dia. x 4.5mm FL, MgF 2 Coated, Plano-Convex Lens

Original price was: $84.00.Current price is: $25.99.
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4.5mm Dia. x 4.5mm FL, NIR I Coated, Double-Convex Lens

Original price was: $100.10.Current price is: $30.99.
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4.5mm Dia. x 4.5mm FL, NIR I Coated, Plano-Convex Lens

Original price was: $98.70.Current price is: $29.99.