Negative Achromatic Lenses
Flat Annulus ET
Dia.
R
R
2
R
1
3
P"
EFL CT + CT
BFL
1 2
Aspherized Achromatic Lenses
Spot Size Spot Size
Aspherized Surface
CT1+CT2
ET
P P"
BFL
EFL
R
Dia.
1
2
R
3
R
• Low Cost, Color-Corrected Asphere
• Better Color Correction than Standard
Achromatic Lenses
• Similar Spherical Aberration Correction to
Machined Aspheres
TECHSPEC® Aspherized Achromats bridge the performance
gap between color-corrected achromats
and spherical aberration corrected aspheres, resulting
in cost effective, color corrected aspheric components.
The TECHSPEC® doublet lenses consist of
two cemented elements that are matched for their
color-correction ability and small RMS spot size.
The back surface of the doublet is fused with a
molded polymer aspheric surface. These molds create
a stable aspheric contour, removing or reducing
wavefront errors present in typical achromats while
boosting numerical aperture. Typical applications
include: fiber optic focusing or collimation, image
relay, inspection, scanning and high numerical aperture
imaging.
For complete prescription data,
visit www.edmundoptics.eu/aspherized
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Consisting of two optical elements cemented together,
negative achromats
are corrected for color and
on-axis aberrations. Used predominantly
as Barlow
lenses to extend focal lengths, they are often combined
with positive achromatic mirror systems and
imaging lenses.
TECHSPEC® Negative Achromatic Lenses *Call for Availability and Pricing
Dia.
EFL
BFL
(mm)
(mm)
(mm)
CT1
(mm)
CT2
(mm)
ET
(mm)
Radius (mm) Glass
Type
Stock No.
MgF2
Price – MgF2 Coated Stock No.
VIS 0˚
Price – VIS 0˚ Coated
R1 R2 R3 1-5 6-25 26+ 1-5 6-25 26+
6,25 -7,5 -9,90 1,00 3,00 4,98 -4,55 4,55 ∞ N-BaF10/N-SF10 #62-472 €58,50 €47,00
Call For OEM Quantity Pricing
* – –
Call For OEM Quantity Pricing
6,25 -10,0 -11,92 1,00 2,50 4,19 -6,55 5,10 89,10 N-BaF10/N-SF10 #62-473 €58,50 €47,00 #62-478 €62,50 €50,00
6,25 -12,5 -12,89 1,00 2,00 3,52 -24,66 4,24 11,25 N-BaF10/N-SF10 #45-420 €58,50 €47,00 * – –
6,25 -25,0 -26,53 1,00 2,00 3,27 -17,57 11,48 109,44 N-BaF10/N-SF10 #45-421 €58,50 €47,00 * – –
9,00 -12,0 -13,78 1,50 2,50 5,79 -6,98 6,98 23,22 N-BK7/N-SF5 #62-474 €60,50 €48,50 * – –
9,00 -18,0 -18,57 1,44 2,88 5,12 -35,51 6,11 16,20 N-BaF10/N-SF10 #48-349 €60,50 €48,50 * – –
9,00 -25,0 -27,33 2,00 2,55 5,13 -17,75 12,17 109,75 N-BaF10/N-SF10 #45-828 €60,50 €48,50 * – –
12,50 -15,0 -18,08 2,00 4,00 8,04 -10,62 8,63 81,12 N-BaF10/N-SF10 #48-350 €72,50 €58,00 #62-484 €76,50 €61,00
12,50 -20,0 -22,88 2,00 3,50 7,01 -13,80 9,99 109,48 N-BaF10/N-SF10 #62-475 €72,50 €58,00 #62-485 €76,50 €61,00
12,50 -25,0 -27,33 2,00 2,55 5,74 -17,75 12,17 109,75 N-BaF10/N-SF10 #45-219 €72,50 €58,00 #62-486 €76,50 €61,00
12,50 -35,0 -36,51 2,00 1,56 4,74 -21,66 17,48 50,54 N-BK7/N-SF5 #45-424 €72,50 €58,00 #62-487 €76,50 €61,00
12,50 -50,0 -51,58 2,00 1,56 4,40 -30,83 23,47 69,20 N-BK7/N-SF5 #45-220 €72,50 €58,00 #62-488 €76,50 €61,00
12,50 -75,0 -77,47 2,50 3,00 6,05 -46,07 36,65 108,00 N-BK7/N-SF5 #47-016 €72,50 €58,00 #62-489 €76,50 €61,00
25,00 -30,0 -36,15 4,00 8,00 16,31 -21,24 17,26 162,24 N-BaF10/N-SF10 #48-351 €94,50 €75,50 * – –
25,00 -40,0 -44,40 3,00 5,50 11,69 -27,82 19,65 201,68 N-BaF10/N-SF10 #62-476 €94,50 €75,50 * – –
25,00 -50,0 -53,33 2,50 4,06 9,06 -35,51 24,58 217,99 N-BaF10/N-SF10 #45-221 €94,50 €75,50 #62-492 €98,50 €79,00
25,00 -75,0 -77,65 2,50 4,06 8,90 -46,07 36,65 108,00 N-BK7/N-SF5 #45-422 €94,50 €75,50 #62-493 €98,50 €79,00
25,00 -100,0 -102,37 2,00 2,57 5,81 -70,57 45,27 412,67 N-BaF10/N-SF10 #45-222 €94,50 €75,50 #62-494 €98,50 €79,00
25,00 -150,0 -152,63 2,50 4,06 7,73 -92,30 68,87 204,15 N-BK7/N-SF5 #45-423 €94,50 €75,50 #62-495 €98,50 €79,00
40,00 -60,0 -67,12 5,00 8,50 19,02 -41,26 30,56 335,88 N-BaF10/N-SF10 #63-763 €150,50 €120,50 * – –
40,00 -80,0 -84,47 4,00 6,50 16,26 -47,32 40,51 128,26 N-BK7/N-SF5 #63-764 €150,50 €120,50 * – –
40,00 -100,0 -104,33 4,00 6,50 15,08 -60,11 48,43 149,50 N-BK7/N-SF5 #63-765 €150,50 €120,50 * – –
40,00 -120,0 -124,27 4,00 6,50 14,31 -72,65 56,77 173,40 N-BK7/N-SF5 #63-766 €150,50 €120,50 * – –
40,00 -150,0 -154,22 4,00 6,50 13,54 -91,23 69,66 211,28 N-BK7/N-SF5 #63-767 €150,50 €120,50 * – –
Clear Aperture: 90%
Diameter Tolerance: +0,0/-0,05 mm
Center Thickness Tolerance: ±0,2 mm
Surface Quality: 60-40, glass surfaces only
Centering Tolerance: 3 - 5 arcmin
Operating Temp: -20°C to 80°C
Design Wavelength: 587,6 nm
Coating: VIS 0° on First Surface
100.0μm
100.0μm
12,5 x 14 Aspherized
Achromat
12,5 x 14 Standard
Achromat
TECHSPEC® Aspherized Achromatic Lenses
Dia. (mm) EFL (mm) BFL (mm) CT1 (mm) CT2 (mm) ET (mm) Glass Type Stock No.
Price
1-5 6-25 26+
9,0 12,0 8,162 4,50 1,50 4,77 N-LaK8/N-SF57 #49-656 €107,00 €85,50
Call For OEM Quantity Pricing
9,0 18,0 14,30 4,50 1,50 5,16 N-LaK8/N-SF57 #49-657 €107,00 €85,50
12,5 14,0 9,89 6,50 1,50 4,47 S-FSL5/N-SF57 #49-658 €128,00 €102,50
12,5 20,0 16,07 5,00 1,50 5,01 N-LaK8/N-SF57 #49-659 €128,00 €102,50
12,5 25,0 21,69 4,00 1,50 4,32 N-LaK8/N-SF57 #49-660 €128,00 €102,50
25,0 30,0 23,21 9,00 2,50 7,28 N-LaK14/N-SF57 #49-662 €138,00 €110,50
25,0 35,0 28,14 9,00 2,50 8,00 N-LaK8/N-SF57 #49-663 €138,00 €110,50
25,0 40,0 33,23 9,00 2,50 7,61 N-SK14/N-SF57 #49-664 €138,00 €110,50
25,0 50,0 44,12 9,00 2,50 7,52 S-FSL5/S-TIH13 #49-665 €138,00 €110,50
/aspherized
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