Ealing

Ealing

  • Ealing 25-9218 Smartt Point Diffraction Interferometer open wooden carrying case with components stored inside Ealing 25-9218 Smartt Interferometer complete set laid out — main body, accessories, adapter ring, eyepiece, and instruction manual

    Ealing 25-9218 f/2 Smartt Point Diffraction Interferometer w/ Case Manual

    Ealing

    $1,200.00
    Was: $2,400.00
    Ealing 25-9218 f/2 Smartt Point Diffraction Interferometer w/ Case Manual Smartt point diffraction interferometer for wavefront testing and optical surface inspection. Uses laser or white light...
    50140
    SKU:
    50140
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    16.00 LBS
    Brand:
    Ealing
    Model:
    25-9218
    MPN:
    25-9218
    Type:
    Point Diffraction Interferometer
    SKU:
    50140
    Aperture Ratio:
    f/2
    Interferometer Design:
    Smartt Point Diffraction Interferometer (PDI)
    Light Source Compatibility:
    Laser or white light source
    Auxiliary Optics Required:
    No
    Fringe Type:
    High contrast interference fringes
    Application / Use Case:
    Wavefront testing, lens, mirror, telescope objective
    Included Accessories:
    Wooden carrying case, instruction manual, Beck X6 eyepiece, lens adapter ring, micrometer stage adjusters
    Micrometer Brand:
    L.S. Starrett Co. Ltd, Made in Great Britain, No. 263M
    Form Factor:
    Benchtop / Portable
    Condition:
    Used – Untested
    Country/Region of Manufacture:
    United Kingdom
    Seller Notes:
    Includes original wooden case and Ealing Smartt Interferometer Instruction Manual
    Condition Notes:
    Ealing 25-9218 f/2 Smartt Point Diffraction Interferometer, used good condition. Complete with both micrometers, optical element, Beck X6 eyepiece, aluminum adapter ring, manual & original wooden case. Not optically tested. Light case wear.
    $1,200.00
    Was: $2,400.00
  • Ealing 35-3441 bandpass optical filter in original clear plastic Ealing storage case, closed — top view showing Ealing brand label and handwritten part number sticker Ealing 35-3441 bandpass optical filter resting in open foam-lined Ealing plastic case — filter visible in lower foam recess

    Ealing 35-3441 Bandpass Optical Filter 478.87nm 25.4mm 1" Dia 7.15nm HBW

    Ealing

    $65.00
    Was: $125.00
    Ealing 35-3441 Bandpass Optical Filter 478.87nm 25.4mm 1" Dia 7.15nm HBWDielectric interference bandpass filter designed to isolate the cadmium spectral line at 478.87 nm. Transmits blue light in a...
    27400
    SKU:
    27400
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Ealing
    Model:
    35-3441
    MPN:
    35-3441-CN1
    Type:
    Visible Bandpass Optical Filter
    SKU:
    27400
    Filter Type:
    Dielectric Interference Bandpass
    Center Wavelength:
    478.87 nm
    Half Bandwidth (HBW):
    7.15 nm
    Peak Transmission:
    50%
    Diameter:
    25.4 mm (1 inch)
    Application:
    Cadmium (Cd) spectral line isolation
    Spectral Region:
    Visible (Blue)
    Mount:
    Black anodized ring mount
    Condition:
    Used – Inspected, includes original case and factory test chart
    Seller Notes:
    Includes original Ealing plastic storage case and factory spectral test chart dated 8/21/84
    Country/Region of Manufacture:
    United States
    Compatible With:
    Standard 25.4mm (1") optical filter mounts and holders
    Condition Notes:
    Ealing 35-3441 Visible Bandpass Optical Filter inspected and in good condition. Filter glass clear, no chips or coating damage. Minor wear on ring mount. Includes original Ealing storage case and factory spectral test chart dated 8/21/84.
    $65.00
    Was: $125.00