Double-Convex Lens, 6mm Dia. x 6mm FL, Commercial Grade
#27-723
Diameter (mm)
6
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
6
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
5.00
Center Thickness CT (mm)
3.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.65
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥5.1
Radius R1 (mm)
7.02
Substrate
N-SK18
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 6mm Dia. x 9mm FL, Commercial Grade
#27-725
Diameter (mm)
6
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
9
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
8.13
Center Thickness CT (mm)
2.5
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.45
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥5.1
Radius R1 (mm)
8.855
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 6mm Dia. x 18mm FL, Commercial Grade
#27-727
Diameter (mm)
6
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
18
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
17.33
Center Thickness CT (mm)
2.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.50
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥5.1
Radius R1 (mm)
18.26
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 9mm Dia. x 9mm FL, Commercial Grade
#27-729
Diameter (mm)
9
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
9
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
7.86
Center Thickness CT (mm)
3.5
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.53
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥7.65
Radius R1 (mm)
10.77
Substrate
N-SK18
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 9mm Dia. x 13.5mm FL, Commercial Grade
#27-731
Diameter (mm)
9
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
13.5
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
12.47
Center Thickness CT (mm)
3.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.45
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥7.65
Radius R1 (mm)
13.42
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 9mm Dia. x 18mm FL, Commercial Grade
#27-733
Diameter (mm)
9
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
18
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
17.16
Center Thickness CT (mm)
2.5
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.37
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥7.65
Radius R1 (mm)
18.17
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 12mm Dia. x 12mm FL, Commercial Grade
#27-735
Diameter (mm)
12
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
12
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
10.54
Center Thickness CT (mm)
4.5
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.88
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥10.2
Radius R1 (mm)
14.39
Substrate
N-SK18
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 12mm Dia. x 18mm FL, Commercial Grade
#27-737
Diameter (mm)
12
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
18
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
16.81
Center Thickness CT (mm)
3.5
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.44
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥10.2
Radius R1 (mm)
17.99
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 12mm Dia. x 25mm FL, Commercial Grade
#27-739
Diameter (mm)
12
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
25
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
23.99
Center Thickness CT (mm)
3.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.56
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.3mm x 45°
Clear Aperture CA (mm)
≥10.2
Radius R1 (mm)
25.32
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 25mm Dia. x 25mm FL, Commercial Grade
#27-741
Diameter (mm)
25
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
25
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
22.76
Center Thickness CT (mm)
7.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.64
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.4mm x 45°
Clear Aperture CA (mm)
24
Radius R1 (mm)
30.50
Substrate
N-SK18
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 25mm Dia. x 50mm FL, Commercial Grade
#27-743
Diameter (mm)
25
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
50
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
48.49
Center Thickness CT (mm)
4.5
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.38
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.4mm x 45°
Clear Aperture CA (mm)
24
Radius R1 (mm)
50.90
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 25mm Dia. x 75mm FL, Commercial Grade
#27-745
Diameter (mm)
25
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
75
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
73.67
Center Thickness CT (mm)
4.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.95
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.4mm x 45°
Clear Aperture CA (mm)
24
Radius R1 (mm)
76.83
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Not Applicable
Double-Convex Lens, 50mm Dia. x 50mm FL, Commercial Grade
#27-747
Diameter (mm)
50
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
50
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
46.03
Center Thickness CT (mm)
12.5
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.84
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.4mm x 45°
Clear Aperture CA (mm)
49
Radius R1 (mm)
61.32
Substrate
N-SK18
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 50mm Dia. x 100mm FL, Commercial Grade
#27-749
Diameter (mm)
50
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
100
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
97.33
Center Thickness CT (mm)
8.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.78
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.4mm x 45°
Clear Aperture CA (mm)
49
Radius R1 (mm)
101.98
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
Double-Convex Lens, 50mm Dia. x 150mm FL, Commercial Grade
#27-751
Diameter (mm)
50
Diameter Tolerance (mm)
+0.0/-0.10
Effective Focal Length EFL (mm)
150
Focal Length Tolerance (%)
±1
Back Focal Length BFL (mm)
148.01
Center Thickness CT (mm)
6.0
Center Thickness Tolerance (mm)
±0.10
Centering (arcminutes)
6
Edge Thickness ET (mm)
1.91
Surface Quality
60-40
Design Wavelength DWL (nm)
587.6
Bevel
Max = 0.4mm x 45°
Clear Aperture CA (mm)
49
Radius R1 (mm)
154.01
Substrate
N-BK7
Coating
¼λ MgF2 @ 550nm
RoHS
Compliant
View Legend
