TECHSPEC® Plano-Concave (PCV) Lenses

Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light. All dimensions are in mm.

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Description Stock No. Price In Stock  
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Plano-Concave Lens 3.0mm Dia. x -6 FL, Uncoated
NT45-374 $25.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 3.00
Effective Focal Length EFL (mm) -6.00
Back Focal Length BFL (mm) -6.56
Center Thickness CT (mm) 1.00
Edge Thickness ET (mm) 1.17
Radius R1 (mm) -4.71
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 3.0mm Dia. x -9 FL, Uncoated
NT45-376 $25.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 3.00
Effective Focal Length EFL (mm) -9.00
Back Focal Length BFL (mm) -9.56
Center Thickness CT (mm) 1.00
Edge Thickness ET (mm) 1.11
Radius R1 (mm) -7.06
Substrate N-SF11
Coating Uncoated
RoHS Exempt
Plano-Concave Lens 3.0mm Dia. x -18 FL, Uncoated
NT45-378 $25.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 3.00
Effective Focal Length EFL (mm) -18.00
Back Focal Length BFL (mm) -18.84
Center Thickness CT (mm) 1.50
Edge Thickness ET (mm) 1.56
Radius R1 (mm) -14.12
Substrate N-SF11
Coating Uncoated
RoHS Exempt
Plano-Concave Lens 6.0mm Dia. x -6 FL, Uncoated
NT45-006 $21.50 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 6.00
Effective Focal Length EFL (mm) -6.00
Back Focal Length BFL (mm) -6.84
Center Thickness CT (mm) 1.50
Edge Thickness ET (mm) 2.22
Radius R1 (mm) -4.71
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 6.0mm Dia. x -9 FL, Uncoated
NT48-333 $21.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 6.00
Effective Focal Length EFL (mm) -9.00
Back Focal Length BFL (mm) -9.84
Center Thickness CT (mm) 1.50
Edge Thickness ET (mm) 2.04
Radius R1 (mm) -7.06
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 6.0mm Dia. x -12 FL, Uncoated
NT45-008 $21.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 6.00
Effective Focal Length EFL (mm) -12.00
Back Focal Length BFL (mm) -12.99
Center Thickness CT (mm) 1.50
Edge Thickness ET (mm) 2.12
Radius R1 (mm) -6.20
Substrate N-BK7
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 6.0mm Dia. x -15 FL, Uncoated
NT48-678 $21.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 6.00
Effective Focal Length EFL (mm) -15.00
Back Focal Length BFL (mm) -16.32
Center Thickness CT (mm) 2.00
Edge Thickness ET (mm) 2.49
Radius R1 (mm) -7.75
Substrate N-BK7
Coating Uncoated
RoHS Exempt
Plano-Concave Lens 6.0mm Dia. x -18 FL, Uncoated
NT45-010 $21.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 6.00
Effective Focal Length EFL (mm) -18.00
Back Focal Length BFL (mm) -19.32
Center Thickness CT (mm) 2.00
Edge Thickness ET (mm) 2.40
Radius R1 (mm) -9.30
Substrate N-BK7
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 9.0mm Dia. x -9 FL, Uncoated
NT45-380 $21.50 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 9.00
Effective Focal Length EFL (mm) -9.00
Back Focal Length BFL (mm) -10.21
Center Thickness CT (mm) 2.25
Edge Thickness ET (mm) 3.63
Radius R1 (mm) -7.07
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 9.0mm Dia. x -12 FL, Uncoated
NT48-334 $21.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 9.00
Effective Focal Length EFL (mm) -12.00
Back Focal Length BFL (mm) -13.26
Center Thickness CT (mm) 2.25
Edge Thickness ET (mm) 3.24
Radius R1 (mm) -9.42
Substrate N-SF11
Coating Uncoated
RoHS Exempt
Plano-Concave Lens 9.0mm Dia. x -18 FL, Uncoated
NT45-382 $21.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 9.00
Effective Focal Length EFL (mm) -18.00
Back Focal Length BFL (mm) -19.26
Center Thickness CT (mm) 2.25
Edge Thickness ET (mm) 2.89
Radius R1 (mm) -14.12
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 9.0mm Dia. x -27 FL, Uncoated
NT45-384 $21.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 9.00
Effective Focal Length EFL (mm) -27.00
Back Focal Length BFL (mm) -28.68
Center Thickness CT (mm) 3.00
Edge Thickness ET (mm) 3.42
Radius R1 (mm) -21.19
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 12.0mm Dia. x -12 FL, Uncoated
NT45-014 $23.50 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 12.00
Effective Focal Length EFL (mm) -12.00
Back Focal Length BFL (mm) -13.23
Center Thickness CT (mm) 2.20
Edge Thickness ET (mm) 4.12
Radius R1 (mm) -9.42
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 12.0mm Dia. x -15 FL, Uncoated
NT48-679 $23.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 12.00
Effective Focal Length EFL (mm) -15.00
Back Focal Length BFL (mm) -16.68
Center Thickness CT (mm) 3.00
Edge Thickness ET (mm) 4.47
Radius R1 (mm) -11.77
Substrate N-SF11
Coating Uncoated
RoHS Exempt
Plano-Concave Lens 12.0mm Dia. x -18 FL, Uncoated
NT48-335 $23.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 12.00
Effective Focal Length EFL (mm) -18.00
Back Focal Length BFL (mm) -19.95
Center Thickness CT (mm) 3.50
Edge Thickness ET (mm) 4.70
Radius R1 (mm) -14.12
Substrate N-SF11
Coating Uncoated
RoHS Exempt
Plano-Concave Lens 12.0mm Dia. x -24 FL, Uncoated
NT45-016 $23.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 12.00
Effective Focal Length EFL (mm) -24.00
Back Focal Length BFL (mm) -26.32
Center Thickness CT (mm) 3.50
Edge Thickness ET (mm) 4.79
Radius R1 (mm) -12.40
Substrate N-BK7
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 12.0mm Dia. x -48 FL, Uncoated
NT45-018 $23.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 12.00
Effective Focal Length EFL (mm) -48.00
Back Focal Length BFL (mm) -50.31
Center Thickness CT (mm) 3.50
Edge Thickness ET (mm) 4.12
Radius R1 (mm) -24.81
Substrate N-BK7
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 20.0mm Dia. x -30 FL, Uncoated
NT45-020 $25.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 20.00
Effective Focal Length EFL (mm) -30.00
Back Focal Length BFL (mm) -31.96
Center Thickness CT (mm) 3.50
Edge Thickness ET (mm) 5.39
Radius R1 (mm) -23.54
Substrate N-SF11
Coating Uncoated
RoHS Compliant
Plano-Concave Lens 20.0mm Dia. x -40 FL, Uncoated
NT45-022 $25.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 20.00
Effective Focal Length EFL (mm) -40.00
Back Focal Length BFL (mm) -42.31
Center Thickness CT (mm) 3.50
Edge Thickness ET (mm) 5.69
Radius R1 (mm) -20.67
Substrate N-BK7
Coating Uncoated
RoHS Exempt
Plano-Concave Lens 20.0mm Dia. x -50 FL, Uncoated
NT45-024 $25.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 20.00
Effective Focal Length EFL (mm) -50.00
Back Focal Length BFL (mm) -52.31
Center Thickness CT (mm) 3.50
Edge Thickness ET (mm) 5.21
Radius R1 (mm) -25.84
Substrate N-BK7
Coating Uncoated
RoHS Exempt
 Sort by Spec
 
Diameter Surface Quality Dia. Tolerance Center Thickness (C.T.) Tolerance Centering Tolerance
3.00 - 5.00 40-20 +0.0/-0.05 ±0.1 3 - 5 arcmin
5.01 - 25.40 40-20 +0.0/-0.10 ±0.1 3 - 5 arcmin
25.41 - 40.00 60-40 +0.0/-0.10 ±0.1 3 - 5 arcmin
40.01 - 50.00 60-40 +0.0/-0.10 ±0.1 3 - 5 arcmin
Notes
Bevel If the diameter >= 0.85 x (radius of curvature), then no bevel is required.
3.00 - 5.00mm Diameter: Max Bevel = 0.1mm x 45°
5.01 - 25.4mm Diameter: Max Bevel = 0.25mm x 45°
25.41 - 50.00mm Diameter: Max Bevel = 0.3mm x 45°
Clear Aperture (CA) 3.00 - 10.00mm dia: CA >= 90% of diameter
10.01 - 50.00mm Diameter: CA = diameter - 1.00mm
Coating None
Effective Focal Length (E.F.L.) Tolerance ±1%
Design Wavelength 587.6nm
Edge Thickness (E.T.) Tolerance Reference

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