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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 51.00 HO-PAL12.5-02C 57.00 HO-PAL12.5-02B 63.00
HO-PAL12.5-04 51.00 HO-PAL12.5-04C 57.00 HO-PAL12.5-04B 63.00
HO-PAL12.5-06 51.00 HO-PAL12.5-06C 57.00 HO-PAL12.5-06B 63.00
HO-PAL25-1.6 71.00 HO-PAL25-1.6C 77.00 HO-PAL25-1.6B 83.00
HO-PAL25-02 71.00 HO-PAL25-02C 77.00 HO-PAL25-02B 83.00
HO-PAL25-03 71.00 HO-PAL25-03C 77.00 HO-PAL25-03B 83.00
HO-PAL25-04 71.00 HO-PAL25-04C 77.00 HO-PAL25-04B 83.00
HO-PAL25-06 71.00 HO-PAL25-06C 77.00 HO-PAL25-06B 83.00
HO-PAL25-08 71.00 HO-PAL25-08C 77.00 HO-PAL25-08B 83.00
HO-PAL25-10 71.00 HO-PAL25-10C 77.00 HO-PAL25-10B 83.00
HO-PAL25-12 71.00 HO-PAL25-12C 77.00 HO-PAL25-12B 83.00
HO-PAL25-16 71.00 HO-PAL25-16C 77.00 HO-PAL25-16B 83.00
HO-PAL25-20 71.00 HO-PAL25-20C 77.00 HO-PAL25-20B 83.00
HO-PAL50-02 96.00 HO-PAL50-02C 102.00 HO-PAL50-02B 108.00
HO-PAL50-03 96.00 HO-PAL50-03C 102.00 HO-PAL50-03B 108.00
HO-PAL50-04 96.00 HO-PAL50-04C 102.00 HO-PAL50-04B 108.00
HO-PAL50-05 96.00 HO-PAL50-05C 102.00 HO-PAL50-05B 108.00
HO-PAL50-06 96.00 HO-PAL50-06C 102.00 HO-PAL50-06B 108.00
HO-PAL50-08 96.00 HO-PAL50-08C 102.00 HO-PAL50-08B 108.00
HO-PAL50-10 96.00 HO-PAL50-10C 102.00 HO-PAL50-10B 108.00
HO-PAL50-15 96.00 HO-PAL50-15C 102.00 HO-PAL50-15B 108.00
HO-PAL50-20 96.00 HO-PAL50-20C 102.00 HO-PAL50-20B 108.00
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 51.00 HO-NAL12.5-02C 57.00 HO-NAL12.5-02B 63.00
HO-NAL12.5-04 51.00 HO-NAL12.5-04C 57.00 HO-NAL12.5-04B 63.00
HO-NAL25-02 71.00 HO-NAL25-02C 77.00 HO-NAL25-02B 83.00
HO-NAL25-2.8 71.00 HO-NAL25-2.8C 77.00 HO-NAL25-2.8B 83.00
HO-NAL25-04 71.00 HO-NAL25-04C 77.00 HO-NAL25-04B 83.00
HO-NAL25-06 71.00 HO-NAL25-06C 77.00 HO-NAL25-06B 83.00
HO-NAL50-03 96.00 HO-NAL50-03C 102.00 HO-NAL50-03B 108.00


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