Compare Model Drawings, CAD & Specs Availability Price
KBX010AR.33
Bi-Convex Lens, N-BK7, 6.35 mm Diameter, 6.4 mm EFL, 1064nm
$83
KBX010AR.33 Bi-Convex Lens, N-BK7, 6.35 mm Diameter, 6.4 mm EFL, 1064nm $83
KBX013AR.33
Bi-Convex Lens, N-BK7, 6.35 mm Diameter, 12.7 mm EFL, 1064nm
$72
KBX013AR.33 Bi-Convex Lens, N-BK7, 6.35 mm Diameter, 12.7 mm EFL, 1064nm $72
KBX019AR.33
Bi-Convex Lens, N-BK7, 6.35 mm Diameter, 25.4 mm EFL, 1064nm
$72
KBX019AR.33 Bi-Convex Lens, N-BK7, 6.35 mm Diameter, 25.4 mm EFL, 1064nm $72
KBX022AR.33
Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 12.7 mm EFL, 1064nm
$72
KBX022AR.33 Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 12.7 mm EFL, 1064nm $72
KBX025AR.33
Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 19.0 mm EFL, 1064nm
$72
KBX025AR.33 Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 19.0 mm EFL, 1064nm $72
KBX028AR.33
Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 25.4 mm EFL, 1064nm
$72
KBX028AR.33 Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 25.4 mm EFL, 1064nm $72
KBX031AR.33
Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 38.1 mm EFL, 1064nm
$72
KBX031AR.33 Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 38.1 mm EFL, 1064nm $72
KBX034AR.33
Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 50.2 mm EFL, 1064nm
$72
KBX034AR.33 Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 50.2 mm EFL, 1064nm $72
KBX037AR.33
Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 62.9 mm EFL, 1064nm
$72
KBX037AR.33 Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 62.9 mm EFL, 1064nm $72
KBX040AR.33
Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 75.6 EFL, 1064nm
$72
KBX040AR.33 Bi-Convex Lens, N-BK7, 12.7 mm Diameter, 75.6 EFL, 1064nm $72
KBX043AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 19.0 mm EFL, 1064nm
$79
KBX043AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 19.0 mm EFL, 1064nm $79
KBX046AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 25.4 mm EFL, 1064nm
$79
KBX046AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 25.4 mm EFL, 1064nm $79
KBX049AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 38.1 mm EFL, 1064nm
$79
KBX049AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 38.1 mm EFL, 1064nm $79
KBX052AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 50.2 mm EFL, 1064nm
$79
KBX052AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 50.2 mm EFL, 1064nm $79
KBX055AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 62.9 mm EFL, 1064nm
$79
KBX055AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 62.9 mm EFL, 1064nm $79
KBX058AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 75.6 mm EFL, 1064nm
$79
KBX058AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 75.6 mm EFL, 1064nm $79
KBX061AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 88.3 mm EFL, 1064nm
$79
KBX061AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 88.3 mm EFL, 1064nm $79
KBX064AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 100 mm EFL, 1064nm
$79
KBX064AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 100 mm EFL, 1064nm $79
KBX067AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 125 mm EFL, 1064nm
$79
KBX067AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 125 mm EFL, 1064nm $79
KBX070AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 150 mm EFL, 1064nm
$79
KBX070AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 150 mm EFL, 1064nm $79
KBX073AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 175 mm EFL, 1064nm
$79
KBX073AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 175 mm EFL, 1064nm $79
KBX076AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 200 mm EFL, 1064nm
$79
KBX076AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 200 mm EFL, 1064nm $79
KBX079AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 250 mm EFL, 1064nm
$79
KBX079AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 250 mm EFL, 1064nm $79
KBX082AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 500 mm EFL, 1064nm
$79
KBX082AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 500 mm EFL, 1064nm $79
KBX088AR.33
Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 1000 mm EFL, 1064nm
$79
KBX088AR.33 Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 1000 mm EFL, 1064nm $79
KBX139AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 38.1 mm EFL, 1064nm
$114
KBX139AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 38.1 mm EFL, 1064nm $114
KBX142AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 50.2 mm EFL, 1064nm
$114
KBX142AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 50.2 mm EFL, 1064nm $114
KBX145AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 62.9 mm EFL, 1064nm
$114
KBX145AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 62.9 mm EFL, 1064nm $114
KBX148AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 75.6 mm EFL, 1064nm
$114
KBX148AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 75.6 mm EFL, 1064nm $114
KBX151AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 88.3 mm EFL, 1064nm
$114
KBX151AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 88.3 mm EFL, 1064nm $114
KBX154AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 100 mm EFL, 1064nm
$114
KBX154AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 100 mm EFL, 1064nm $114
KBX157AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 125 mm EFL, 1064nm
$114
KBX157AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 125 mm EFL, 1064nm $114
KBX160AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 150 mm EFL, 1064nm
$114
KBX160AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 150 mm EFL, 1064nm $114
KBX163AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 175 mm EFL, 1064nm
$114
KBX163AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 175 mm EFL, 1064nm $114
KBX166AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 200 mm EFL, 1064nm
$114
KBX166AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 200 mm EFL, 1064nm $114
KBX169AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 250 mm EFL, 1064nm
$114
KBX169AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 250 mm EFL, 1064nm $114
KBX172AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 300 mm EFL, 1064nm
$114
KBX172AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 300 mm EFL, 1064nm $114
KBX175AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 400 mm EFL, 1064nm
$114
KBX175AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 400 mm EFL, 1064nm $114
KBX178AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 500 mm EFL, 1064nm
$114
KBX178AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 500 mm EFL, 1064nm $114
KBX184AR.33
Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 1000 mm EFL, 1064nm
$114
KBX184AR.33 Bi-Convex Lens, N-BK7, 50.8 mm Diameter, 1000 mm EFL, 1064nm $114

Specifications

  • Lens Shape
    Bi-Convex (Double Convex)
  • Lens Material
    N-BK7
  • Antireflection Coating
    1064 nm
  • Coating Type
    Laser Line V-Coat Multilayer
  • Coating Code
    AR.33
  • Damage Threshold
    12 J/cm2, 10 ns pulses, 10 Hz at 1064 nm
  • Surface Quality
    40-20 scratch-dig
  • Surface Accuracy, Irregularity
    λ/4
  • Surface Accuracy, Power
    1.5 λ
  • Centration
    ≤3 arc min
  • Chamfers
    0–0.8 mm face width
  • Chamfers Angle/Tolerance
    45° ±15°, typical
  • Focal Length Tolerance
    ±1 %
  • Diameter Tolerance
    +0/-0.1 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Clear Aperture
    ≥central 90% of diameter
  • Cleaning
    See How to Clean Optics

Features

N-BK7 Substrates for VIS and NIR Applications

N-BK7 is an excellent lens material for most visible and near infrared applications. It is the most common borosilicate crown optical glass, and it provides great performance at a good value. Its high homogeneity, low bubble and inclusion content, and straightforward manufacturability make it a good choice for transmissive optics. N-BK7 is also relatively hard and shows good scratch resistance. The transmission range for BK 7 is 380 to 2100 nm. It is not recommended for temperature sensitive applications, such as precision mirrors. For more information, refer to our optical materials technical note.

Precision Double Convex Lens Surfaces

Our precision bi-convex lenses are polished to tight tolerances minimizing wavefront distortion. Tight surface quality tolerances minimize scatter and unwanted diffraction effects. These lenses have a 40-20 scratch-dig surface quality, and a λ/4 surface irregularity. For more information, refer to the optical surfaces technical note.

1064 nm Laser Line Antireflection V-Coating

Our AR.33 laser line V-coating offers the lowest reflectance at 1064 nm for maximum transmission while maintaining high durability and high damage resistance. Valuable laser energy is efficiently transmitted through the plano-convex lens rather than lost to surface reflection and scattering. The trade off to its superior performance is the minimal laser line wavelength range.

Standardized Bi-Convex Focal Lengths

Standard effective focal lengths on our double-convex lenses provide a systematic approach allowing for lenses of different sizes and materials to be interchanged without requiring other changes to your optical system.

Bi-Convex Lens Shape for Focusing

Bi-Convex lenses are the best choice when the object and image are at equal or near equal distance from the lens. When the object and image distance are equal (1:1 magnification), not only is spherical aberration minimized, but also coma, distortion, and chromatic aberration are identically canceled due to the symmetry. Bi-convex lenses function similarly to plano-convex lenses in that they have a positive focal length, and focus parallel rays of light to a point. Both surface are spherical and have the same radius of curvature, thereby minimizing spherical aberration. As a guideline, bi-convex lenses perform within minimum aberration at conjugate ratios between 5:1 and 1:5. Outside this magnification range, plano-convex lenses are usually more suitable.

Mounting Options

We offer a full range of optical lens mounts to meet various experimental requirements. Below lists the recommended mounts for spherical lenses of standard sizes. Please see our Lens Mount Guide for additional information.

Note: besides the diameter, please check the Edge Thickness (Te) specification of the lens and the lens mount to ensure compatibility before purchasing. 

Lens Diameter LH-A-GRP
A-Line™ Lens Mounts		 LT_Series_group_update
LT Series Lens Tubes		 OM-multi_axis_lens_pos-S
LP Series Lens Positioners		 optics-cage-plus-S
Optics Cage Plus Series
76.2 mm (M-) LH-3A N/A N/A N/A
50.8 mm (M-) LH-2A
LH-2N		 LT20-05
LT20-10
LT20-20
LT20-30		 LP-2A
LP-2A-XY
LP-2A-XYZ		 N/A
38.1 mm (M-) LH-1.5A LT20 lens tube with
LH-2R1.5 adapter		 LP-2 lens positioner with
LPLH-1.5T adapter		 N/A
25.4 mm (M-) LH-1A
LH-1N
LH-1XY
LH-1TZ-A
LH-1TZ		 LT10-05
LT10-10
LT10-20
LT10-30		 LP-1A
LP-1A-XY
LP-1A-XYZ		 OC1-LH1-S
OC1-LH1
OC1-LH1-TZ
OC1-LH1-XY
OC1-LH1-XYA
OC1-LH1-XYC
OC1-LH1-XYZ
12.7 mm (M-) LH-0.5A
LH-05N		 LT05-05
LT05-10		 LP-05A
LP-05A-XY
LP-05A-XYZ		 N/A
6.35 mm LH-05DB with
LH-50R25 adapter		 LT05 lens tube with
LH-50R25 adapter		 LP-05 lens positioner with
LPLH-25T adapter		 N/A

For non-standard sizes not listed above, check out our variable size lens mounts.

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