LENS MENISCUS

Showing all 15 results

    Catalog No. Description QOH Order
    LM-1039-Z-ET2.5 more info...

    LM-1039-Z-ET2.5

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 1.000″+.000″/-.005″
    EDGE THICKNESS: 0.100″+/-.005″
    CENTERING TOLERANCE: 0.001″ MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 3.937″ +/- 0.5%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.60 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    7Register for Pricing
    LM-1075-Z-ET2.85 more info...

    LM-1075-Z-ET2.85

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 1.000″+.000″/-.005″
    EDGE THICKNESS: 0.1125″+/-.0050″
    CENTERING TOLERANCE: 0.001″ MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 7.500″ +/- 1.0%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    9Register for Pricing
    LM-1537-Z-ET6.0 more info...

    LM-1537-Z-ET6.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 1.500″+.000″/-.005″
    EDGE THICKNESS: 0.236″+/-.010″
    CENTERING TOLERANCE: 0.002″ MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 3.750″ +/- 1.0%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    6Register for Pricing
    LM-1540-Z-ET6.0 more info...

    LM-1540-Z-ET6.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 1.500″+.000″/-.005″
    EDGE THICKNESS: 0.236″+/-.005″
    CENTERING TOLERANCE: 0.0015″ MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 4.000″ +/- 0.5%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.25% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    1Register for Pricing
    LM-1568-Z-ET2.0 more info...

    LM-1568-Z-ET2.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 1.500″+.000″/-.005″
    EDGE THICKNESS: 0.080″+/-.005″
    CENTERING TOLERANCE: 0.0015″ MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 6.750″ +/- 0.5%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    1Register for Pricing
    LM-1568-Z-ET3.0 more info...

    LM-1568-Z-ET3.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 1.500″+.000″/-.005″
    EDGE THICKNESS: 0.120″+/-.005″
    CENTERING TOLERANCE: 0.0015″ MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 6.750″ +/- 0.5%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    1Register for Pricing
    LM-157Y-Z-ET9.0 more info...

    LM-157Y-Z-ET9.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 1.500″+.000″/-.005″
    EDGE THICKNESS: 0.354″+/-.005″
    CENTERING TOLERANCE: 0.0015″ MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 7.500″ +/- 1.0%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.25% MAXIMUM.

    1Register for Pricing
    LMM-15-18.41@4.6-Z-ET1.92-DBAR more info...

    LMM-15-18.41@4.6-Z-ET1.92-DBAR

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 15.00mm + 0.00mm /- 0.10mm
    EDGE THICKNESS: 1.92mm +/- 0.05mm(CTR.THK: 3.00mm)
    CENTERING TOLERANCE: 0.02mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/2 WAVE @ 633nm.
    SURFACE QUALITY: 40-20 PER MIL-PRF-13830, 2 FACES
    FOCAL LENGTH: 18.414mm +/- 0.25% @ 4.60um
    MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.25% MAXIMUM
    REFLECTANCE PER SURFACE AT 4.60 MICRONS
    AND ALSO 0.25% MAXIMUM PER SURFACE AT
    2.00 MICRONS BOTH WITH A NORMAL INCIDENCE
    ANGLE, APPLIED TO BOTH FACES.
    NOTE: CONVEX RADIUS = 16.746mm
    CONCAVE RADIUS = 41.101mm

    4Register for Pricing
    LMM-20-G-25-ET1.8-AR more info...

    LMM-20-G-25-ET1.8-AR

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 20.00mm + 0.00mm /- 0.12mm
    EDGE THICKNESS: 1.80mm +/- 0.25mm
    CENTERING TOLERANCE: 0.025mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 25.00mm +/- 1.0%
    MATERIAL TYPE/QUALITY: GERMANIUM, OPTICAL GRADE
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    6Register for Pricing
    LMM-28-Z-127-ET2.5 more info...

    LMM-28-Z-127-ET2.5

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 28.00mm + 0.00mm /- 0.12mm
    EDGE THICKNESS: 2.50mm +/- 0.25mm
    CENTERING TOLERANCE: 0.025mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 127.00mm +/- 1.0%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    4Register for Pricing
    LMM-38-Z-127-ET2.0 more info...

    LMM-38-Z-127-ET2.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 38.00mm + 0.00mm /- 0.12mm
    EDGE THICKNESS: 2.00mm +/- 0.10mm
    CENTERING TOLERANCE: 0.050mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 127.00mm +/- 1.0%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    4Register for Pricing
    LMM-38-Z-190.5-ET2.0 more info...

    LMM-38-Z-190.5-ET2.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 38.00mm + 0.00mm /- 0.12mm
    EDGE THICKNESS: 2.00mm +/- 0.25mm
    CENTERING TOLERANCE: 0.038mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS
    SURFACE QUALITY: 40-20 PER MIL-O-13830, 2 FACES.
    FOCAL LENGTH: 190.50mm +/- 0.5%
    MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    2Register for Pricing
    LMM-38-Z-190.5-ET4.0 more info...

    LMM-38-Z-190.5-ET4.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 38.00mm + 0.00mm /- 0.12mm
    EDGE THICKNESS: 4.00mm +/- 0.25mm
    CENTERING TOLERANCE: 0.038mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS
    SURFACE QUALITY: 40-20 PER MIL-O-13830, 2 FACES.
    FOCAL LENGTH: 190.50mm +/- 0.5%
    MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    5Register for Pricing
    LMM-38-Z-254-ET4.0 more info...

    LMM-38-Z-254-ET4.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 38.00mm + 0.00mm /- 0.12mm
    EDGE THICKNESS: 4.00mm +/- 0.25mm
    CENTERING TOLERANCE: 0.038mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS
    SURFACE QUALITY: 40-20 PER MIL-O-13830, 2 FACES.
    FOCAL LENGTH: 254.00mm +/- 0.5%
    MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    3Register for Pricing
    LMM-50-Z-127-ET9.0 more info...

    LMM-50-Z-127-ET9.0

    CONFIGURATION: DISC, CONCAVE-CONVEX
    DIAMETER: 50.00mm + 0.00mm /- 0.12mm
    EDGE THICKNESS: 9.00mm +/- 0.12mm
    CENTERING TOLERANCE: 0.050mm MAXIMUM T.I.R.
    SURFACE ACCURACY: 1/40 WAVE @ 10.6 MICRONS.
    SURFACE QUALITY: 40-20 SCRATCH-DIG
    FOCAL LENGTH: 127.00mm +/- 1.0%
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
    REFLECTANCE PER SURFACE AT 10.6 MICRONS
    WITH A NORMAL INCIDENCE ANGLE APPLIED
    TO BOTH FACES.
    TYPICAL ABSORPTION: 0.30% MAXIMUM.

    2Register for Pricing