JML Optical

JML Optical Industries, Inc.

The Complete Source for Custom Precision Optics

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Fused Silica Bi-Concave LensesClick part # for details or to add to shopping cart.



Specifications

EFL (mm): -120
Dia: 25
CT: 2.5
ET: 3.9
R1: -110.42
R2: 110.42
BF: -120.9
V1H1: 0.9
V2H2: -0.9
Specifications: Effective Focal Length (EFL): +/- 1%
Diameter (DIA): +0/- .18
Clear Aperture: 90% of diameter
Center Thickness (CT): +/- .25
Cosmetics: 60/40
Surface Quality: 2 1/2 X 1/2 waves @ 546.1nm
Centering Accuracy: 2 arc minutes TIA
Designed Wavelength: 546.1nm
All dimensions are in millimeters.

Choose your coating:


Part #: FBV12780/000
Price: $109.70
based on coating and quantity (below)

Choose Coating

Quantity:

Product Listings Discount prices at 25 and 50 pieces. For quantities over 100 please contact us for our best discounted price.

EFL (mm)Diaf/#DCTETR1R2BFV1H1V2H2Part NumberPrice
2180-35050.86.9352.446-321.55321.55-351.41.4-1.4FBV12815/000$123.50
2176-15025.45.9151.42.53.7-138.416138.416-150.80.8-0.8FBV22354/000$65.90
2178-15050.83153.848.7-138.16138.16-151.41.4-1.4FBV12805/000$123.50
2171-12050.82.4124.149.9-110.66110.66-121.41.4-1.4FBV12795/000$123.50
2173-12025.44.7121.62.54-110.42110.42-120.90.9-0.9FBV12785/000$109.70
2174-120254.8121.62.53.9-110.42110.42-120.90.9-0.9FBV12780/000$109.70
2169-10025.43.9101.72.54.3-92.40892.408-100.80.8-0.8FBV22352/000$75.60
2167-7525.43772.54.8-69.40669.403-75.80.8-0.8FBV22350/000$75.60
2166-7025.42.872.22.55-64.5864.58-70.90.9-0.9FBV12775/000$126.00
2164-5025.4252.62.56-46.39846.398-50.80.8-0.8FBV22348/000$75.60
2161-35251.438.32.57.5-32.4832.48-35.80.8-0.8FBV12760/000$126.00
2162-3525.41.438.42.57.7-32.4832.48-35.80.8-0.8FBV12765/000$126.00
2160-3012.72.431.21.53-27.7427.74-30.50.5-0.5FBV12755/000$62.50
2155-2525.4129.62.510-23.39123.391-25.80.8-0.8FBV22346/000$75.60
2159-2512.7226.41.53.3-23.23823.238-25.50.5-0.5FBV22344/000$62.50
2154-551612.4-4.744.74-5.30.3-0.3FBV12750/000$95.00

Your request for volume production are always welcome and will be given immediate attention at JML.

Special Orders

JML engineers are always available to help you design a lens to meet your specific requirements. We can also reduce the diameter of our stock lenses to meet your specifications. For assistance, email sales@jmloptical.com or call +585.248.8900.

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OPTICAL CALCULATOR

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Easy access to formulae for commonly used calculations and conversions.

FEATURED NEWS

 We just added over 100 new IR optical products to our web-site. Please click on IR Optics in the left side menu and check out our new mid and far IR optics. We are offering various IR multi- element lenses as well as components made of germanium, zinc selenide, sapphire and calcium fluoride  feedback