Plano-Concave (PCV) and Double-Concave (DCV) Lenses
• Wavelength Range of 400 - 2200nm
• Precision Diameter and Centration
Tolerances Allow for Easy OEM Integration
• Wide Variety of Diameters, Focal Lengths,
and Coatings
TECHSPEC® Plano-Concave (PCV) lenses have a
negative focal length and are commonly used to
diverge a collimated light source. They are typically
oriented with the concave surface towards the
beam. A variety of coating options are available for
visible and near infrared applications. Add as an
additional sentence: TECHSPEC® Double-Concave
(DCV) Lenses have two inward curved surfaces and
a negative focal length. They are used for image
reduction and to spread light.
Substrate: N-BK7
Uncoated at 0° (Avg.4.25%)
Substrate: N-BK7
Flat Annulus ET
Coated at 0° (Avg.1.75%)
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Dia.
(mm)
Effective
FL
(mm)
Back
FL
(mm)
Center
Thickness
(mm)
Edge
Thickness
(mm)
Radius
R1
(mm)
Glass
Type
3.0 -6.0 -6.56 1.00 1.17 -4.71 N-SF11
3.0 -9.0 -9.56 1.00 1.11 -7.06 N-SF11
6.0 -6.0 -6.84 1.50 2.35 -4.71 N-SF11
6.0 -9.0 -9.84 1.50 2.04 -7.06 N-SF11
6.0 -12.0 -12.99 1.50 2.12 -6.20 N-BK7
6.0 -15.0 -16.32 2.00 2.49 -7.75 N-BK7
6.0 -18.0 -19.32 2.00 2.40 -9.30 N-BK7
9.0 -9.0 -10.21 2.25 3.63 -7.07 N-SF11
9.0 -12.0 -13.26 2.25 3.24 -9.42 N-SF11
9.0 -18.0 -19.26 2.25 2.89 -14.12 N-SF11
9.0 -27.0 -28.68 3.00 3.42 -21.19 N-SF11
12.0 -12.0 -13.23 2.20 4.12 -9.42 N-SF11
12.0 -15.0 -16.68 3.00 4.47 -11.77 N-SF11
12.0 -18.0 -19.95 3.50 4.70 -14.12 N-SF11
12.0 -24.0 -26.32 3.50 4.79 -12.40 N-BK7
12.0 -48.0 -50.31 3.50 4.12 -24.81 N-BK7
20.0 -30.0 -31.96 3.50 5.39 -23.54 N-SF11
20.0 -40.0 -42.31 3.50 5.39 -20.67 N-BK7
20.0 -50.0 -52.31 3.50 5.21 -25.84 N-BK7
25.0 -25.0 -26.96 3.50 7.41 -19.62 N-SF11
25.0 -35.0 -36.96 3.50 6.36 -27.47 N-SF11
25.0 -50.0 -52.31 3.50 6.33 -25.84 N-BK7
25.0 -100.0 -102.31 3.50 4.85 -51.68 N-BK7
50.0 -100.0 -103.30 5.00 11.23 -51.68 N-BK7
50.0 -125.0 -128.30 5.00 9.87 -64.60 N-BK7
6.0
5.0
4.0
3.0
2.0
1.0
Wavelength (nm)
Reflection (%)
Uncoated
400 450 500 550 600 650 700 750
TECHSPEC® Plano-Concave (PCV) Lenses
6.0
5.0
4.0
3.0
2.0
1.0
Wavelength (nm)
Reflection (%)
MgF2 Coating
Ravg 1.75% @ 400 - 700nm
Damage Threshold, Reference: 10J/cm2 @ 532nm, 10ns, 10Hz
400 450 500 550 600 650 700 750
TECHSPEC® Scorpii™
Nd:YAG Beam Expanders
See page 77
Stock No.
MgF2
Price – MgF2 Coated
1-9 10-24 25+
#45-373 £40.80 £36.76
Call For OEM Quantity Pricing
#45-375 £40.80 £36.76
#45-007 £25.07 £22.52
#48-337 £25.07 £22.52
#45-009 £25.07 £22.52
#48-684 £25.07 £22.52
#45-011 £25.07 £22.52
#45-379 £25.93 £23.38
#48-338 £25.93 £23.38
#45-381 £25.93 £23.38
#45-383 £25.93 £23.38
#45-015 £26.77 £24.22
Call For OEM Quantity Pricing
#48-685 £26.77 £24.22
#48-339 £26.77 £24.22
#45-017 £26.77 £24.22
#45-019 £26.77 £24.22
#45-021 £27.20 £24.65
#45-023 £27.20 £24.65
#45-025 £27.20 £24.65
#45-031 £28.05 £25.29
#48-686 £28.05 £25.29
#45-029 £28.05 £25.29
#45-027 £28.05 £25.29
#45-037 £43.77 £39.31
#45-039 £43.77 £39.31
Stock No.
Uncoated
Price – Uncoated
1-9 10-24 25+
#45-374 £36.55 £32.94
Call For OEM Quantity Pricing
#45-376 £36.55 £32.94
#45-006 £20.82 £18.70
#48-333 £20.82 £18.70
#45-008 £20.82 £18.70
#48-678 £20.82 £18.70
#45-010 £20.82 £18.70
#45-380 £21.68 £19.55
#48-334 £21.68 £19.55
#45-382 £21.68 £19.55
#45-384 £21.68 £19.55
#45-014 £22.52 £20.19
Call For OEM Quantity Pricing
#48-679 £22.52 £20.19
#48-335 £22.52 £20.19
#45-016 £22.52 £20.19
#45-018 £22.52 £20.19
#45-020 £22.95 £20.61
#45-022 £22.95 £20.61
#45-024 £22.95 £20.61
#45-030 £23.80 £21.46
#48-680 £23.80 £21.46
#45-028 £23.80 £21.46
#45-026 £23.80 £21.46
#45-036 £35.27 £31.88
#45-038 £35.27 £31.88
CT
EFL
BFL
Dia.
R1
P"
PCV
Dia.
(mm)
Effective
FL
(mm)
Back
FL
(mm)
Center
Thickness
(mm)
Edge
Thickness
(mm)
Radius
R1 = -R2
(mm)
Glass
Type
6.0 -6.0 -6.41 1.50 2.29 -9.74 N-SF11
6.0 -9.0 -9.32 1.00 1.79 -9.47 N-BK7
6.0 -12.0 -12.33 1.00 1.59 -12.57 N-BK7
9.0 -9.0 -9.61 2.25 3.48 -14.60 N-SF11
9.0 -12.0 -12.41 1.50 2.43 -19.16 N-SF11
9.0 -18.0 -18.49 1.50 2.45 -18.86 N-BK7
12.0 -12.0 -12.81 3.00 4.71 -19.47 N-SF11
12.0 -18.0 -18.65 2.00 3.76 -18.94 N-BK7
12.0 -24.0 -24.65 2.00 3.31 -25.14 N-BK7
20.0 -20.0 -20.55 2.00 5.03 -31.82 N-SF11
25.0 -25.0 -25.69 2.50 6.05 -39.78 N-SF11
25.0 -50.0 -50.82 2.50 5.40 -52.10 N-BK7
25.0 -100.0 -101.64 5.00 6.43 -104.20 N-BK7
Stock No.
MgF2
Prices – MgF2 Coated
1-9 10-24 25+
#32-987 £25.50 £22.95
Call For OEM Quantity Pricing
#48-935 £25.50 £22.95
#48-687 £25.50 £22.95
#48-340 £26.35 £23.80
#48-936 £26.35 £23.80
#48-688 £26.35 £23.80
#32-989 £27.63 £25.07
#48-937 £27.63 £25.07
#48-689 £27.63 £25.07
#32-991 £27.63 £25.07
#32-993 £25.07 £22.52
#32-997 £29.32 £26.35
#32-995 £29.32 £26.35
Stock No.
Uncoated
Prices – Uncoated
1-9 10-24 25+
#32-986 £21.25 £19.13
Call For OEM Quantity Pricing
#48-932 £21.25 £19.13
#48-681 £21.25 £19.13
#48-336 £22.10 £19.97
#48-933 £22.10 £19.97
#48-682 £22.10 £19.97
#32-988 £23.38 £21.04
#48-934 £23.38 £21.04
#48-683 £23.38 £21.04
#32-990 £23.38 £21.04
#32-992 £25.07 £22.52
#32-996 £25.07 £22.52
#32-994 £25.07 £22.52
TECHSPEC® Double-Concave (DCV) Lenses
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