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Positive and Negative

Achromatic Lenses

Reduces chromatic & spherical aberrations
Positive or Negative configurations Available

Achromatic lenses can be used as collimators, focusing lenses or light collectors. They are designed to eliminate chromatic and spherical aberrations and perform well for all paraxial imaging tasks. These lenses are available as uncoated, single Layer MgF2 coated and broadband AR coated types.

These days Achromatic lenses are widely used in achromatic telescopes, microscopes and photographic lens.



    Material :     BK7, N - SF1 & F2 (or equivalent)
    Effective Focal Length Tolerance :     ± 1%
    Diameter tolerance :     + 0.0, -0.2 mm
    Centering Tolerance :     ≤ 3 arc min.
    Surface quality :     40 - 20 ( scratch-dig )
    Clear aperture :     > 90 % of dimensions
    Design wavelengths :     486.1 nm, 587.6 nm, & 656.3 nm
    Coating :     Uncoated / Single layer MgF2 / Broadband AR
    ( Ravg = < 0.5% @ 400-700 nm )






Positive Achromatic Lens


Model No. Diameter
D (mm)
Focal Length
F (mm)
Uncoated Single Layer MgF2 Broadband AR
HO-PAL12.5-02 HO-PAL12.5-02C HO-PAL12.5-02B 12.5 25
HO-PAL12.5-04 HO-PAL12.5-04C HO-PAL12.5-04B 12.5 50
HO-PAL12.5-06 HO-PAL12.5-06C HO-PAL12.5-06B 12.5 75
HO-PAL25-1.6 HO-PAL25-1.6C HO-PAL25-1.6B 25 40
HO-PAL25-02 HO-PAL25-02C HO-PAL25-02B 25 50
HO-PAL25-03 HO-PAL25-03C HO-PAL25-03B 25 75
HO-PAL25-04 HO-PAL25-04C HO-PAL25-04B 25 100
HO-PAL25-06 HO-PAL25-06C HO-PAL25-06B 25 150
HO-PAL25-08 HO-PAL25-08C HO-PAL25-08B 25 200
HO-PAL25-10 HO-PAL25-10C HO-PAL25-10B 25 250
HO-PAL25-12 HO-PAL25-12C HO-PAL25-12B 25 300
HO-PAL25-16 HO-PAL25-16C HO-PAL25-16B 25 400
HO-PAL25-20 HO-PAL25-20C HO-PAL25-20B 25 500
HO-PAL50-02 HO-PAL50-02C HO-PAL50-02B 50 100
HO-PAL50-03 HO-PAL50-03C HO-PAL50-03B 50 150
HO-PAL50-04 HO-PAL50-04C HO-PAL50-04B 50 200
HO-PAL50-05 HO-PAL50-05C HO-PAL50-05B 50 250
HO-PAL50-06 HO-PAL50-06C HO-PAL50-06B 50 300
HO-PAL50-08 HO-PAL50-08C HO-PAL50-08B 50 400
HO-PAL50-10 HO-PAL50-10C HO-PAL50-10B 50 500
HO-PAL50-15 HO-PAL50-15C HO-PAL50-15B 50 750
HO-PAL50-20 HO-PAL50-20C HO-PAL50-20B 50 1000
Price List : Positive Achromatic Lens


Uncoated Price ($) Single Layer MgF2 Price ($) Broadband AR Price ($)
HO-PAL12.5-02 46.00 HO-PAL12.5-02C 52.00 HO-PAL12.5-02B 57.00
HO-PAL12.5-04 46.00 HO-PAL12.5-04C 52.00 HO-PAL12.5-04B 57.00
HO-PAL12.5-06 46.00 HO-PAL12.5-06C 52.00 HO-PAL12.5-06B 57.00
HO-PAL25-1.6 65.00 HO-PAL25-1.6C 70.00 HO-PAL25-1.6B 76.00
HO-PAL25-02 65.00 HO-PAL25-02C 70.00 HO-PAL25-02B 76.00
HO-PAL25-03 65.00 HO-PAL25-03C 70.00 HO-PAL25-03B 76.00
HO-PAL25-04 65.00 HO-PAL25-04C 70.00 HO-PAL25-04B 76.00
HO-PAL25-06 65.00 HO-PAL25-06C 70.00 HO-PAL25-06B 76.00
HO-PAL25-08 65.00 HO-PAL25-08C 70.00 HO-PAL25-08B 76.00
HO-PAL25-10 65.00 HO-PAL25-10C 70.00 HO-PAL25-10B 76.00
HO-PAL25-12 65.00 HO-PAL25-12C 70.00 HO-PAL25-12B 76.00
HO-PAL25-16 65.00 HO-PAL25-16C 70.00 HO-PAL25-16B 76.00
HO-PAL25-20 65.00 HO-PAL25-20C 70.00 HO-PAL25-20B 76.00
HO-PAL50-02 87.00 HO-PAL50-02C 93.00 HO-PAL50-02B 98.00
HO-PAL50-03 87.00 HO-PAL50-03C 93.00 HO-PAL50-03B 98.00
HO-PAL50-04 87.00 HO-PAL50-04C 93.00 HO-PAL50-04B 98.00
HO-PAL50-05 87.00 HO-PAL50-05C 93.00 HO-PAL50-05B 98.00
HO-PAL50-06 87.00 HO-PAL50-06C 93.00 HO-PAL50-06B 98.00
HO-PAL50-08 87.00 HO-PAL50-08C 93.00 HO-PAL50-08B 98.00
HO-PAL50-10 87.00 HO-PAL50-10C 93.00 HO-PAL50-10B 98.00
HO-PAL50-15 87.00 HO-PAL50-15C 93.00 HO-PAL50-15B 98.00
HO-PAL50-20 87.00 HO-PAL50-20C 93.00 HO-PAL50-20B 98.00
Negative Achromatic Lens


Model No. Diameter
D (mm)
Focal Length
F (mm)
Uncoated Single Layer MgF2 Broadband AR
HO-NAL12.5-02 HO-NAL12.5-02C HO-NAL12.5-02B 12.5 -25
HO-NAL12.5-04 HO-NAL12.5-04C HO-NAL12.5-04B 12.5 -50
HO-NAL25-02 HO-NAL25-02C HO-NAL25-02B 25 -50
HO-NAL25-2.8 HO-NAL25-2.8C HO-NAL25-2.8B 25 -70
HO-NAL25-04 HO-NAL25-04C HO-NAL25-04B 25 -100
HO-NAL25-06 HO-NAL25-06C HO-NAL25-06B 25 -150
HO-NAL50-03 HO-NAL50-03C HO-NAL50-03B 50 -150
Price List : Negative Achromatic Lens


Uncoated Price ($) Single Layer MgF2 Price ($) Broadband AR Price ($)
HO-NAL12.5-02 46.00 HO-NAL12.5-02C 52.00 HO-NAL12.5-02B 57.00
HO-NAL12.5-04 46.00 HO-NAL12.5-04C 52.00 HO-NAL12.5-04B 57.00
HO-NAL25-02 65.00 HO-NAL25-02C 70.00 HO-NAL25-02B 76.00
HO-NAL25-2.8 65.00 HO-NAL25-2.8C 70.00 HO-NAL25-2.8B 76.00
HO-NAL25-04 65.00 HO-NAL25-04C 70.00 HO-NAL25-04B 76.00
HO-NAL25-06 65.00 HO-NAL25-06C 70.00 HO-NAL25-06B 76.00
HO-NAL50-03 87.00 HO-NAL50-03C 93.00 HO-NAL50-03B 98.00

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