Achromatic Doublet Lens

Specification of Precision grade:
Tolerance of focal length: +/-2%
Surface accuracy: 1/8£f
Surface quality: 20-10
Centration: 3 arc min
Diameter tolerance: +0/-0.1
Tc tolerance: +/-0.2 mm
Te tolerance: nominal
Specification of General grade:
Tolerance of focal length: +/-2%
Surface accuracy: 1/2£f
Surface quality: 60-40
Centration: 3 arc min
Diameter tolerance: +0/-0.2
Tc tolerance: +/-0.4 for <50mm Dia; +/-0.6 for >50mm Dia.
Te tolerance: nominal
coating: single layer MgF2 or custom
clear aperture: >90%

D(mm) f(mm) Tc(mm) Te(mm) Product No(precision) Product No(general)
6.0 10.0 4.40 3.5 ADP001 ADG001
6.0 12.7 3.40 2.7 ADP002 ADG002
6.0 19.0 3.20 2.2 ADP003 ADG003
6.0 25.4 3.00 2.0 ADP004 ADG004
6.0 38.1 4.50 4.2 ADP005 ADG005
8.0 16.0 4.91 3.9 ADP006 ADG006
8.0 25.0 5.10 4.4 ADP007 ADG007
8.0 30.0 4.50 4.0 ADP008 ADG008
10.0 20.0 5.57 4.4 ADP009 ADG009
12.0 25.0 5.76 4.0 ADP010 ADG010
12.5 30.0 5.33 4.1 ADP011 ADG011
12.7 19.0 6.85 4.9 ADP012 ADG012
12.7 25.4 5.50 4.1 ADP013 ADG013
12.7 31.8 5.35 4.3 ADP014 ADG014
12.7 38.1 4.50 3.3 ADP015 ADG015
12.7 50.8 4.50 3.5 ADP016 ADG016
16.0 31.0 8.90 6.8 ADP017 ADG017
16.0 36.0 6.93 5.2 ADP018 ADG018
16.0 48.0 5.20 4.0 ADP019 ADG019
18.0 40.0 8.04 6.1 ADP020 ADG020
18.0 50.0 5.96 4.2 ADP021 ADG021
18.0 60.0 5.20 3.9 ADP022 ADG022
18.0 80.0 5.20 4.3 ADP023 ADG023
25.4 50.8 9.80 7.0 ADP024 ADG024
25.4 63.5 8.50 6.3 ADP025 ADG025
25.4 76.2 7.50 5.2 ADP026 ADG026
25.4 90.0 6.50 4.4 ADP027 ADG027
25.4 100.0 7.17 5.2 ADP028 ADG028
25.4 125.0 6.47 4.9 ADP029 ADG029
25.4 150.0 6.17 4.9 ADP030 ADG030
25.4 175.0 6.30 5.2 ADP031 ADG031
30.0 60.0 12.50 8.4 ADP032 ADG032
30.0 100.0 8.70 6.3 ADP033 ADG033
30.0 120.0 10.70 8.4 ADP034 ADG034
30.0 140.0 9.00 7.1 ADP035 ADG035
30.0 160.0 6.50 5.2 ADP036 ADG036
30.0 180.0 8.10 6.6 ADP037 ADG037
30.0 200.0 8.10 7.1 ADP038 ADG038
30.0 250.0 7.20 6.2 ADP039 ADG039
30.0 300.0 9.40 8.6 ADP040 ADG040
38.1 76.2 14.00 9.9 ADP041 ADG041
38.1 100.0 12.40 9.3 ADP042 ADG042
38.1 125.0 12.40 9.9 ADP043 ADG043
38.1 150.0 9.00 6.1 ADP044 ADG044
38.1 200.0 11.00 8.8 ADP045 ADG045
38.1 250.0 11.50 9.8 ADP046 ADG046
38.1 400.0 10.50 9.4 ADP047 ADG047
40.0 120.0 11.20 7.6 ADP048 ADG048
40.0 140.0 10.10 7.1 ADP049 ADG049
40.0 160.0 9.40 6.8 ADP050 ADG050
40.0 180.0 9.60 7.2 ADP051 ADG051
40.0 300.0 9.30 7.9 ADP052 ADG052
40.0 400.0 8.00 7.1 ADP053 ADG053
50.8 150.0 12.50 7.3 ADP054 ADG054
50.8 200.0 12.00 8.1 ADP055 ADG055
50.8 250.0 12.83 9.7 ADP056 ADG056
50.8 300.0 14.00 11.4 ADP057 ADG057
50.8 400.0 13.00 11.1 ADP058 ADG058
50.8 500.0 11.66 10.1 ADP059 ADG059
50.8 750.0 17.50 16.5 ADP060 ADG060
63.0 400.0 12.00 9.4 ADP061 ADG061
63.0 500.0 12.00 10.2 ADP062 ADG062
63.0 600.0 11.00 9.5 ADP063 ADG063
63.0 800.0 10.00 8.9 ADP064 ADG064
76.2 500.0 17.50 14.0 ADP065 ADG065
76.2 750.0 17.50 15.2 ADP066 ADG066
80.0 300.0 19.60 13.7 ADP067 ADG067
80.0 1000.0 10.00 8.5 ADP068 ADG068