1. Home
  2. Optical Components
  3. Optical Lenses
  4. Thorlabs Inc
  5. LA1256

LA1256

Optical Lens by Thorlabs Inc
Download Datasheet
Request Quote

Note: Your Quotation Request will be directed to Thorlabs Inc.

The LA1256 from Thorlabs Inc is a Optical Lens with Wavelength Range 350 nm to 2.0 µm, Focal Length 300 mm, Center Thickness 5.1 mm, Diameter 50.8 mm (2 Inch), Edge Thickness(ET) 3 mm. More details for LA1256 can be seen below.

Product Specifications

View similar products

Product Details

  • Part Number
    LA1256
  • Manufacturer
    Thorlabs Inc
  • Description
    N-BK7 Plano-Convex Lens, 2 Inch, f = 300 mm, Uncoated

General Parameters

  • Sub Type
    Plano-Convex Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    350 nm to 2.0 µm
  • Design Wavelength
    587.6 nm
  • Focal Length
    300 mm
  • Focal Length Tolerance
    ±1%
  • Back Focal Length(BFL)
    295.6 mm
  • Center Thickness
    5.1 mm
  • Diameter
    50.8 mm (2 Inch)
  • Clear Aperture
    0.9
  • Diameter Tolerance
    +0.00/-0.10 mm
  • Edge Thickness(ET)
    3 mm
  • Centration Error
    3 arcmin
  • Refractive index
    1.515
  • Coating
    Uncoated
  • Substrate/Material
    N-BK7
  • Surface Accuracy
    λ/2, λ/4, 3λ/2
  • Surface Quality
    40-20 Scratch-Dig
  • RoHS
    Yes

Technical Documents
Click to view more product details on manufacturer's website
Request a Quote