Compare Model Drawings, CAD & Specs Diameter Effective Focal Length (EFL) F/# Availability Price
Bi-Convex Focusing Lens, 38.1 mm, Fused Silica, 51 mm EFL, Uncoated
$437.75
In Stock
38.1 mm 51.0 mm 1.3
In Stock
Bi-Convex Lens, Fused Silica, 12.7 mm Diameter, 12.7 mm EFL, Uncoated
$187
In Stock
12.7 mm 12.7 mm 1
In Stock
Bi-Convex Lens, Fused Silica, 12.7 mm Diameter, 25.4 mm EFL, Uncoated
$187
In Stock
12.7 mm 25.4 mm 2
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 20.0 mm EFL, Uncoated
$187
In Stock
25.4 mm 20.0 mm 0.8
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 25.4 mm EFL, Uncoated
$187
In Stock
25.4 mm 25.4 mm 1
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 32.0 mm EFL, Uncoated
$187
In Stock
25.4 mm 32.0 mm 1.3
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 50.2 mm EFL, Uncoated
$187
In Stock
25.4 mm 50.2 mm 2
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 75.6 mm EFL, Uncoated
$187
In Stock
25.4 mm 75.6 mm 3
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 100 mm EFL, Uncoated
$141
In Stock
25.4 mm 100 mm 3.9
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 150 mm EFL, Uncoated
$136
In Stock
25.4 mm 150 mm 5.9
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 200 mm EFL, Uncoated
$122
In Stock
25.4 mm 200 mm 7.9
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 250 mm EFL, Uncoated
$122
In Stock
25.4 mm 250 mm 9.8
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 500 mm EFL, Uncoated
$122
In Stock
25.4 mm 500 mm 19.7
In Stock
Bi-Convex Lens, Fused Silica, 25.4 mm Diameter, 1000 mm EFL, Uncoated
$122
In Stock
25.4 mm 1000 mm 39.4
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 50.2 mm EFL, Uncoated
$488
In Stock
50.8 mm 50.2 mm 1
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 75.6 mm EFL, Uncoated
$535
In Stock
50.8 mm 75.6 mm 1.5
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 100 mm EFL, Uncoated
$353
In Stock
50.8 mm 100 mm 2
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 150 mm EFL, Uncoated
$353
In Stock
50.8 mm 150 mm 3
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 200 mm EFL, Uncoated
$289
In Stock
50.8 mm 200 mm 3.9
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 250 mm EFL, Uncoated
$269
In Stock
50.8 mm 250 mm 4.9
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 500 mm EFL, Uncoated
$269
In Stock
50.8 mm 500 mm 9.8
In Stock
Bi-Convex Lens, Fused Silica, 50.8 mm Diameter, 1000 mm EFL, Uncoated
$269
In Stock
50.8 mm 1000 mm 19.7
In Stock

Specifications

  • Lens Shape
    Bi-Convex (Double Convex)
  • Lens Material
    UV Fused Silica
  • Antireflection Coating
    Uncoated
  • Surface Quality
    20-10 scratch-dig
  • Surface Accuracy, Irregularity
    λ/8
  • Surface Accuracy, Power
    1.5 λ
  • Surface Flatness
    λ/8
  • 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

Mounting Options

Features