YAG-BBAR Coated Achromatic Lenses
• Optimized for < 0,25% Absolute Reflectivity at 532 nm and 1064 nm
• Excellent Broadband Transmission from 500 - 1100 nm
• Low Cost Alternative to Air-Spaced Focusing Doublets
TECHSPEC® YAG-BBAR Coated Achromatic Lenses consist of two optical components cemented together to
form a doublet that is ideal for correcting on-axis spherical and chromatic aberrations. These achromats feature
a broadband anti-reflective coating with superior transmission from 500 - 1100 nm, and are optimized for less
than 0,25% absolute reflectivity at 532 and 1064 nm. Our TECHSPEC® YAG-BBAR Coated Achromatic Lenses
are specifically designed to minimize the spot size for polychromatic illumination within the recommended usable
wavelength range, but may also be used for focusing Nd:YAG lasers, especially those with an alignment beam.
Material Grade: Grade A, Fine Annealed
Diameter Tolerance (mm): +0,000/-0,025
Center Thickness Tolerance (mm): ±0,2
Edge Thickness Tolerance: Reference Value
Power (P-V): 1,5λ
Irregularity (P-V): λ/4
Surface Quality: 40-20
Clear Aperture:
6,25 - 10,0 mm Diameter: ≥ 90% of Diameter
10,01 - 40,00 mm Diameter: Diameter - 1,0 mm
Centration (arcmin): ≤1
Focal Length Tolerance (%): ±2
Design Wavelength (nm): 587,6
Edges: Fine Ground, Protective Bevel as Needed
Near-UV (NUV) Achromatic Lenses
Material Grade: Grade A, Fine Annealed
Diameter Tolerance (mm): +0,000/-0,025
Center Thickness Tolerance (mm): ±0,2
Edge Thickness Tolerance: Reference Value
Power (P-V): 1,5λ
Irregularity (P-V): λ/4
Surface Quality: 40-20
Clear Aperture:
6,25 - 10,0 mm Diameter: ≥ 90% of Diameter
10,01 - 50,00 mm Diameter: Diameter - 1,0 mm
Centration (arcmin): ≤1
Focal Length Tolerance (%): ±2
Design Wavelength (nm): 405
Edges: Fine Ground, Protective Bevel as Needed
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TECHSPEC® YAG-BBAR Coated Achromatic Lenses See page 9 for Coating Specifications
Radius Stock No.
Dia. (mm) EFL (mm) BFL (mm) CT1 (mm) CT2 (mm) ET (mm) Glass Type
YAG-BBAR Coated
Price – YAG-BBAR Coated
R1 -R2 -R3 1-5 6-25 26+
6,25 12,5 10,36 3,00 0,80 3,12 8,63 5,29 51,17 N-BAF10/N-SF10 #33-202 €60,00 €48,00
Call for OEM Quantity Pricing
6,25 25,0 23,45 2,30 0,90 2,73 15,37 11,16 32,17 N-BK7/N-SF5 #33-203 €60,00 €48,00
6,25 50,0 48,61 2,00 1,00 2,77 30,77 22,05 64,6 N-BK7/N-SF5 #33-204 €60,00 €48,00
9,00 12,00 8,33 5,00 2,00 5,30 8,37 7,01 26,18 N-BAF10/N-SF57 #11-356 €65,00 €52,00
12,50 25,0 21,47 5,00 1,25 4,90 17,27 10,99 107,03 N-BAF10/N-SF10 #33-205 €70,50 €56,50
12,50 50,0 47,61 3,50 1,50 4,06 30,73 22,32 64,75 N-BK7/N-SF5 #33-206 €70,50 €56,50
12,50 75,0 72,35 3,00 1,60 3,97 46,44 33,77 95,94 N-BK7/N-SF5 #33-207 €70,50 €56,50
12,50 100,0 97,92 3,00 1,50 4,03 61,54 44,39 130,26 N-BK7/N-SF5 #33-208 €70,50 €56,50
20,00 40,00 34,40 8,00 2,00 7,83 27,63 17,58 171,25 N-BAF10/N-SF10 #11-357 €88,50 €70,50
25,00 50,0 43,53 9,00 2,50 8,79 34,53 21,98 214,63 N-BAF10/N-SF10 #33-209 €93,50 €75,00
25,00 75,0 70,39 7,00 2,50 6,97 46,44 33,77 95,94 N-BK7/N-SF5 #33-210 €93,50 €75,00
25,00 100,0 95,92 6,00 2,50 6,61 61,47 44,64 129,94 N-BK7/N-SF5 #33-211 €93,50 €75,00
25,00 150,0 146,10 5,70 2,20 6,65 91,37 66,21 197,71 N-BK7/N-SF5 #33-212 €93,50 €75,00
25,00 200,0 194,14 8,50 4,00 11,56 124,12 87,26 253,1 N-BK7/N-SF5 #33-213 €93,50 €75,00
40,00 160,00 154,10 8,50 4,00 9,48 98,66 -70,73 -205,72 N-BK7/N-SF5 #11-732 €148,00 €118,50
40,00 200,00 194,14 8,50 4,00 10,09 124,12 -87,26 -253,10 N-BK7/N-SF5 #11-733 €148,00 €118,50
• Excellent Transmission in 345 - 700 nm Range
• Ideal for use with NUV LEDs and Mercury Lamps
• Low-Cost, Cemented Design
Our TECHSPEC® NUV Achromatic Lenses are specifically designed to minimize the spot size for polychromatic
illumination in the 345 - 700 nm region. Ideal for use in fluorescence applications, as well as for simple focusing
of common UV light sources, such as Mercury Arc Lamps, UV LEDs, and Tripled Nd:YAG lasers. The achromatic
lenses feature a simple cemented design, and are an excellent alternative to air-spaced doublets and triplets for
the UV. The lenses feature > 90% transmission at 360 nm, and provide > 50% transmission at 334 nm.
TECHSPEC® NUV Achromatic Lenses
Wavelength (nm)
Transmission (%)
100
95
90
85
80
75
70
65
60
55
50
320 370 420 470 520 570 620 670
TECHSPEC® Near-UV (NUV) Achromatic Lenses
Dia.
EFL
BFL
CTCTET
1
2
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
Radius (mm) Glass
Type
Stock No.
UV-VIS
Coated
Price –
UV-VIS Coated
R1 -R2 -R3 1-5 6-25 26+
6,25 12,50 10,22 3,50 1,10 3,58 7,56 -5,53 -14,30 N-FK5/F2 #84-327 €107,50 €86,00
Call For OEM Quantity Pricing
6,25 15,00 13,05 3,00 1,00 3,17 9,12 -6,79 -17,77 N-FK5/F2 #84-328 €107,50 €86,00
6,25 20,00 18,36 2,40 1,00 2,80 12,09 -9,55 -25,35 N-FK5/F2 #84-329 €107,50 €86,00
6,25 25,00 23,38 2,00 1,00 2,52 13,57 -13,57 -43,89 N-FK5/F2 #84-330 €107,50 €86,00
6,25 30,00 28,39 2,00 1,00 2,61 16,37 -16,37 -52,44 N-FK5/F2 #84-331 €107,50 €86,00
9,00 18,00 15,05 4,00 1,50 4,02 9,99 -8,07 -24,83 N-FK5/F2 #35-993 €114,00 €91,00
9,00 27,00 24,13 3,75 1,50 4,29 14,60 -12,12 -40,64 N-FK5/F2 #35-994 €114,00 €91,00
9,00 36,00 33,56 3,00 1,50 3,79 19,20 -16,29 -57,12 N-FK5/F2 #35-995 €114,00 €91,00
12,50 25,00 21,59 5,00 2,00 4,99 15,08 -11,48 -30,10 N-FK5/F2HT #65-971 €118,00 €94,50
12,50 30,00 27,22 4,00 2,00 4,40 18,66 -15,60 -37,78 N-FK5/F2 #65-972 €118,00 €94,50
12,50 40,00 37,48 3,50 2,00 4,30 24,47 -19,17 -50,19 N-FK5/F2 #65-973 €118,00 €94,50
12,50 50,00 47,31 3,50 2,00 4,55 29,11 -25,27 -71,39 N-FK5/F2 #65-974 €118,00 €94,50
25,00 50,00 44,74 8,00 2,50 6,54 30,03 -24,15 -63,90 N-FK5/F2 #65-976 €134,50 €107,50
25,00 60,00 55,63 6,50 2,50 5,75 36,25 -28,67 -76,58 N-FK5/F2 #65-977 €134,50 €107,50
25,00 75,00 71,09 5,50 2,50 5,44 45,50 -36,34 -96,60 N-FK5/F2 #65-978 €134,50 €107,50
25,00 100,00 96,32 5,00 2,50 5,60 58,81 -50,72 -141,71 N-FK5/F2 #65-979 €134,50 €107,50
25,00 125,00 121,29 5,00 2,50 5,99 72,95 -64,21 -181,98 N-FK5/F2 #65-980 €134,50 €107,50
50,00 100,00 87,39 16,00 5,00 12,86 50,95 -50,95 -197,88 N-FK5/F2 #85-878 €202,00 €161,50
50,00 150,00 141,28 11,00 5,00 10,74 80,42 -71,10 -245,23 N-FK5/F2 #35-996 €202,00 €161,50
50,00 200,00 192,01 10,00 4,50 10,57 105,89 -92,87 -334,00 N-FK5/F2 #35-997 €202,00 €161,50
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