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GCL-0104 N-BK7 Symmetric-Concave Lenses
   Material: N-BK7 grade A, fine annealed
   Fringes:
1-5
   Focal Length (f'): ± 2%
   Irregularity of Fringes: 0.2-0.5
   Diameter (Ø):  -0.20mm
   Surface Quality:
60-40 scratch-dig
   Center Thickness (Tc): ±0.1mm
   Coating:  MgF2 AR Coated
   Centration:  3 arc minutes
   Clear Aperture:
90% Ø

mGcm0104.gif (1830 bytes)

GCL-0104 BK7 Symmetric-Concave Lenses

Catalog No. Ø f' fb Tc Te
GCL-010401 6.0 -9.8 -10.4 2.0 2.9
GCL-010424 10.0 -15.1 -15.8 2.0 3.6
GCL-010423 10.0 -30.0 -30.7 2.0 2.8
GCL-010402 12.7 -19.0 -19.7 2.0 4.2
GCL-010403 12.7 -25.4 -26.0 2.0 3.6
GCL-010404 12.7 -38.1 -38.8 2.0 3.0
GCL-010422 20.0 -30.0 -30.8 2.7 6.0
GCL-010421 20.0 -40.0 -40.9 2.7 5.1
GCL-010420 20.0 -60.0 -61.2 2.7 4.3
GCL-010405 25.4 -50.8 -51.8 3.0 6.2
Catalog No. Ø f' fb Tc Te
GCL-010406 25.4 -75.0 -76.3 3.0 5.1
GCL-010407 25.4 -100.0 -101.7 3.0 4.6
GCL-010408 25.4 -150.0 -150.9 3.0 4.1
GCL-010419 30.0 -60.0 -61.3 3.5 7.1
GCL-010418 30.0 -180.0 -181.1 3.5 4.7
GCL-010417 30.0 -250.0 -251.3 3.5 4.4
GCL-010409 38.1 -125.0 -126.5 4.0 6.8
GCL-010410 38.1 -200.0 -201.6 4.0 5.8
GCL-010411 38.1 -300.0 -301.5 4.0 5.2
GCL-010416 40.0 -100.0 -101.4 4.0 7.9
GCL-010415 40.0 -150.0 -151.4 4.0 6.6
GCL-010412 50.8 -250.0 -251.5 5.0 7.5
GCL-010413 50.8 -400.0 -401.6 5.0 6.6
GCL-010414 50.8 -500.0 -501.7 5.0 6.3
Catalog No. Ø f' fb Tc Te

All dimensions are in mm unless otherwise specified.

 

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