40mm Dia X -150mm FL Negative Doublet Lens MgF2 Coating
#63-767
Diameter (mm)
40.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
39.00
Effective Focal Length EFL (mm)
-150.0
Back Focal Length BFL (mm)
-154.22
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-91.23
Radius R2 (mm)
69.66
Radius R3 (mm)
211.28
Edge Thickness ET (mm)
13.54
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
4.00
Center Thickness CT 2 (mm)
6.50
Centering (arcminutes)
3
Surface Quality
60-40
Bevel
0.30 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
40mm Dia X -120mm FL Negative Doublet Lens MgF2 Coating
#63-766
Diameter (mm)
40.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
39.00
Effective Focal Length EFL (mm)
-120.0
Back Focal Length BFL (mm)
-124.27
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-72.65
Radius R2 (mm)
56.77
Radius R3 (mm)
173.40
Edge Thickness ET (mm)
14.31
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
4.00
Center Thickness CT 2 (mm)
6.50
Centering (arcminutes)
3
Surface Quality
60-40
Bevel
0.30 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
40mm Dia X -100mm FL Negative Doublet Lens MgF2 Coating
#63-765
Diameter (mm)
40.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
39.00
Effective Focal Length EFL (mm)
-100.0
Back Focal Length BFL (mm)
-104.33
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-60.11
Radius R2 (mm)
48.43
Radius R3 (mm)
149.50
Edge Thickness ET (mm)
15.08
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
4.00
Center Thickness CT 2 (mm)
6.50
Centering (arcminutes)
3
Surface Quality
60-40
Bevel
0.30 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
40mm Dia X -80mm FL Negative Doublet Lens MgF2 Coating
#63-764
Diameter (mm)
40.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
39.00
Effective Focal Length EFL (mm)
-80.0
Back Focal Length BFL (mm)
-84.47
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-47.32
Radius R2 (mm)
40.51
Radius R3 (mm)
128.26
Edge Thickness ET (mm)
16.26
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
4.00
Center Thickness CT 2 (mm)
6.50
Centering (arcminutes)
3
Surface Quality
60-40
Bevel
0.30 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
40mm Dia X -60mm FL Negative Doublet Lens MgF2 Coating
#63-763
Diameter (mm)
40.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
39.00
Effective Focal Length EFL (mm)
-60.0
Back Focal Length BFL (mm)
-67.12
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-41.26
Radius R2 (mm)
30.56
Radius R3 (mm)
335.88
Edge Thickness ET (mm)
19.02
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
5.00
Center Thickness CT 2 (mm)
8.50
Centering (arcminutes)
3
Surface Quality
60-40
Bevel
0.30 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
25mm Dia X -40mm FL Negative Doublet Lens MgF2 Coating
#62-476
Diameter (mm)
25.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
24.00
Effective Focal Length EFL (mm)
-40.0
Back Focal Length BFL (mm)
-44.40
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-27.82
Radius R2 (mm)
19.65
Radius R3 (mm)
201.68
Edge Thickness ET (mm)
11.69
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
3.00
Center Thickness CT 2 (mm)
5.50
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
12.5mm Dia X -20mm FL Negative Doublet Lens MgF2 Coating
#62-475
Diameter (mm)
12.50
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
11.50
Effective Focal Length EFL (mm)
-20.0
Back Focal Length BFL (mm)
-22.88
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-13.80
Radius R2 (mm)
9.99
Radius R3 (mm)
109.48
Edge Thickness ET (mm)
7.01
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
2.00
Center Thickness CT 2 (mm)
3.50
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
9mm Dia X -12mm FL Negative Doublet Lens MgF2 Coating
#62-474
Diameter (mm)
9.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
≥90% of Diameter
Effective Focal Length EFL (mm)
-12.0
Back Focal Length BFL (mm)
-13.78
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-6.98
Radius R2 (mm)
6.98
Radius R3 (mm)
23.22
Edge Thickness ET (mm)
5.79
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
1.50
Center Thickness CT 2 (mm)
2.50
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
6.25mm Dia X -10mm FL Negative Doublet Lens MgF2 Coating
#62-473
Diameter (mm)
6.25
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
≥90% of Diameter
Effective Focal Length EFL (mm)
-10.0
Back Focal Length BFL (mm)
-11.92
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-6.55
Radius R2 (mm)
5.10
Radius R3 (mm)
89.10
Edge Thickness ET (mm)
4.19
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
1.00
Center Thickness CT 2 (mm)
2.50
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
6.25mm Dia X -7.5mm Negative Doublet Lens FL MgF2 Coating
#62-472
Diameter (mm)
6.25
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
≥90% of Diameter
Effective Focal Length EFL (mm)
-7.5
Back Focal Length BFL (mm)
-9.90
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-4.55
Radius R2 (mm)
4.55
Radius R3 (mm)
∞
Edge Thickness ET (mm)
4.98
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
1.00
Center Thickness CT 2 (mm)
3.00
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
25mm Dia X -30mm FL Negative Doublet Lens MgF2 Coating
#48-351
Diameter (mm)
25.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
24.00
Effective Focal Length EFL (mm)
-30.0
Back Focal Length BFL (mm)
-36.15
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-21.24
Radius R2 (mm)
17.26
Radius R3 (mm)
162.24
Edge Thickness ET (mm)
16.31
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
4.00
Center Thickness CT 2 (mm)
8.00
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Exempt
12.5mm Dia X -15mm FL Negative Doublet Lens MgF2 Coating
#48-350
Diameter (mm)
12.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
11.50
Effective Focal Length EFL (mm)
-15.0
Back Focal Length BFL (mm)
-18.08
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-10.62
Radius R2 (mm)
8.63
Radius R3 (mm)
81.12
Edge Thickness ET (mm)
8.04
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
2.00
Center Thickness CT 2 (mm)
4.00
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Exempt
9mm Dia X -18mm FL Negative Doublet Lens MgF2 Coating
#48-349
Diameter (mm)
9.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
≥90% of Diameter
Effective Focal Length EFL (mm)
-18.0
Back Focal Length BFL (mm)
-18.57
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-35.51
Radius R2 (mm)
6.11
Radius R3 (mm)
16.20
Edge Thickness ET (mm)
5.12
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
1.44
Center Thickness CT 2 (mm)
2.88
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
12.5mm Dia X -75mm Negative Doublet Lens FL MgF2 Coating
#47-016
Diameter (mm)
12.50
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
11.50
Effective Focal Length EFL (mm)
-75.0
Back Focal Length BFL (mm)
-77.47
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-46.07
Radius R2 (mm)
36.65
Radius R3 (mm)
108.00
Edge Thickness ET (mm)
6.05
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
2.50
Center Thickness CT 2 (mm)
3.00
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
9mm Dia X -25mm FL Negative Doublet Lens MgF2 Coating
#45-828
Diameter (mm)
9.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
≥90% of Diameter
Effective Focal Length EFL (mm)
-25.0
Back Focal Length BFL (mm)
-27.33
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-17.75
Radius R2 (mm)
12.17
Radius R3 (mm)
109.75
Edge Thickness ET (mm)
5.13
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
2.00
Center Thickness CT 2 (mm)
2.55
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Exempt
12.5mm Dia X -35mm FL Negative Doublet Lens MgF2 Coating
#45-424
Diameter (mm)
12.50
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
11.50
Effective Focal Length EFL (mm)
-35.0
Back Focal Length BFL (mm)
-36.51
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-21.66
Radius R2 (mm)
17.48
Radius R3 (mm)
50.54
Edge Thickness ET (mm)
4.74
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
2.00
Center Thickness CT 2 (mm)
1.56
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
25mm Dia X -150mm FL Negative Doublet Lens MgF2 Coating
#45-423
Diameter (mm)
25.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
24.00
Effective Focal Length EFL (mm)
-150.0
Back Focal Length BFL (mm)
-152.63
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-92.30
Radius R2 (mm)
68.87
Radius R3 (mm)
204.15
Edge Thickness ET (mm)
7.73
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
2.50
Center Thickness CT 2 (mm)
4.06
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Exempt
25mm Dia X -75mm FL Negative Doublet Lens MgF2 Coating
#45-422
Diameter (mm)
25.00
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
24.00
Effective Focal Length EFL (mm)
-75.0
Back Focal Length BFL (mm)
-77.65
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-46.07
Radius R2 (mm)
36.65
Radius R3 (mm)
108.00
Edge Thickness ET (mm)
8.90
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
2.50
Center Thickness CT 2 (mm)
4.06
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BK7/N-SF5
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Exempt
6.25mm Dia X -25mm Negative Doublet Lens FL MgF2 Coating
#45-421
Diameter (mm)
6.25
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
≥90% of Diameter
Effective Focal Length EFL (mm)
-25.0
Back Focal Length BFL (mm)
-26.53
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-17.57
Radius R2 (mm)
11.48
Radius R3 (mm)
109.44
Edge Thickness ET (mm)
3.27
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
1.00
Center Thickness CT 2 (mm)
2.00
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
6.25mm Dia X -12.5mm Negative Doublet Lens FL MgF2 Coating
#45-420
Diameter (mm)
6.25
Diameter Tolerance (mm)
+0.0/-0.10
Clear Aperture CA (mm)
≥90% of Diameter
Effective Focal Length EFL (mm)
-12.5
Back Focal Length BFL (mm)
-12.89
Focal Length Tolerance (%)
±2
Radius R1 (mm)
-24.66
Radius R2 (mm)
4.24
Radius R3 (mm)
11.25
Edge Thickness ET (mm)
3.52
Center Thickness Tolerance (mm)
±0.2
Center Thickness CT 1 (mm)
1.00
Center Thickness CT 2 (mm)
2.00
Centering (arcminutes)
3
Surface Quality
40-20
Bevel
0.25 x 45°
Substrate
N-BaF10/N-SF10
Coating
MgF2 : ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
RoHS
Compliant
MgF2 Coated Negative Achromatic Lenses
View Legend
