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BK7 Bi-Convex Lenses
Material:
BK7 grade A, fine annealed
Focal Length (f'): ¡À2%
Diameter (F):
-0.10mm
Center Thickness (Tc): ¡À0.1mm
Centration: 3 arc minutes
Fringes: 1~5
Irregularity of Fringes: 0.1~0.5
Surface Quality:20-10 scratch-dig
Coating: MgF2AR coated
Clear Aperture: 90% F
DH-0402:
BK7 Bi-Convex Lenses
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(All
dimensions are in mm unless otherwise specified.
Due to our strong technique, we can also supply custom components for your special requirements.)
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Catalog
No.
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Ø
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f'
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fb
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Tc
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Te
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DH-040201
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6.0
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19.0
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18.1
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3.0
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2.5
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DH-040215
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10.0
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15.0
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13.7
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4.2
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2.5
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DH-040216
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10.0
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30.0
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28.7
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3.9
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3.0
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DH-040202
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12.7
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25.4
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23.7
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5.0
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3.4
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DH-040203
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12.7
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38.1
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36.7
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4.0
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3.0
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DH-040217
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20.0
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30.0
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28.0
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5.9
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2.5
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DH-040218
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20.0
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40.0
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37.9
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5.0
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2.5
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DH-040219
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20.0
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60.0
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59.0
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4.7
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3.0
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DH-040220
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20.0
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75.0
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73.7
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4.4
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3.0
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DH-040204
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25.4
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50.8
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49.1
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6.0
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2.8
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DH-040205
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25.4
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100.0
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98.5
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5.0
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3.4
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DH-040206
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25.4
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150.0
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148.6
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5.0
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4.0
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DH-040207
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25.4
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175.0
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172.7
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5.0
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4.1
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DH-040221
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30.0
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60.0
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57.6
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7.0
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3.3
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DH-040222
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30.0
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120.0
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118.7
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5.0
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3.2
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DH-040223
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30.0
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180.0
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178.5
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5.0
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3.8
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DH-040224
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30.0
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250.0
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248.0
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5.0
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4.1
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DH-040225
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30.0
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300.0
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298.1
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5.0
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4.3
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DH-040208
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38.1
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75.0
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72.9
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8.0
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3.2
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DH-040209
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38.1
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125.0
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123.4
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6.0
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3.2
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DH-040210
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38.1
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200.0
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197.8
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5.0
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3.2
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DH-040211
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38.1
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300.0
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298.1
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5.0
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3.8
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DH-040226
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40.0
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100.0
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97.0
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8.0
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4.0
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DH-040227
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40.0
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150.0
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148.5
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6.0
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4.0
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DH-040228
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40.0
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250.0
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247.9
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5.6
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4.0
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DH-040212
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50.8
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150.0
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148.1
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8.0
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3.8
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DH-040213
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50.8
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250.0
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248.8
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6.0
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3.5
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DH-040214
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50.8
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400.0
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398.2
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6.0
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4.4
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rights Resevered: Changchun Deheng Optics Co.,Ltd¡¡ ADD:5-9£¬Dongling
Nan Street,Changchun,Jilin,China Postal Code:130022
Tel:+86-431-5202975¡¡ Fax:+86-431-5202965
E-mail:info@dhoptics.com
¡¡
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