Simpson Optical

Simpson Optical

  • Simpson Optical Chicago Focal Length Modifier 16mm 2-1/2 Inch — front three-quarter view showing knurled barrel and engraved markings Simpson Optical 16mm Focal Length Modifier — side view showing '16mm Focal Length Modifier' engraving on barrel

    Simpson Optical Chicago Focal Length Modifier 16mm 2.5 2-1/2 Inch Lens

    Simpson Optical

    $35.00
    Was: $70.00
    Simpson Optical Chicago Focal Length Modifier 16mm 2.5 2-1/2 Inch Lens AttachmentThis is a vintage Simpson Optical focal length modifier made by Simpson Optical of Chicago, Illinois. Engraved on the...
    39102
    SKU:
    39102
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    Simpson Optical
    Model:
    Focal Length Modifier 16mm 2.5
    MPN:
    Focal Length Modifier 16mm 2-1/2 Inch
    Type:
    Focal Length Modifier / Lens Attachment
    SKU:
    39102
    Focal Length:
    16mm
    Size / Diameter:
    2-1/2 Inch (2.5 Inch)
    Manufacturer Location:
    Chicago, IL, USA
    Construction:
    Aluminum barrel with knurled focus/adjustment rings
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Sold as-is. Lens elements visible and appear intact. Unit disassembles into two sections as shown.
    Country/Region of Manufacture:
    United States
    Compatible With:
    16mm film cameras and projectors; period optical systems
    Lens Coating:
    Unknown — not confirmed from photos
    Mount Type:
    Threaded barrel mount (thread size not confirmed)
    Condition Notes:
    Simpson Optical Chicago 16mm 2-1/2 In. Focal Length Modifier sold as-is for parts or reuse. Barrel shows age wear and pitting. Lens elements appear present but untested. No functionality guaranteed.
    $35.00
    Was: $70.00
  • Simpson Optical Perceptordaptor No. 137-0001 2-1/2 inch lens adapter — three-quarter front view showing knurled aluminum body and internal optical element Simpson Optical Perceptordaptor 137-0001 — front face view held in hand showing internal optical element and threaded inner ring

    Simpson Optical Perceptordaptor No. 137-0001 2-1/2 Inch Lens Adapter Optical

    Simpson Optical

    $25.00
    Was: $50.00
    Simpson Optical Perceptordaptor No. 137-0001 2-1/2 Inch Lens Adapter OpticalThis is a cylindrical threaded barrel lens adapter manufactured by Simpson Optical. It connects optical components within...
    39103
    SKU:
    39103
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    Simpson Optical
    Model:
    Perceptordaptor No. 137-0001
    MPN:
    137-0001
    Type:
    Optical Lens Adapter
    SKU:
    39103
    Diameter:
    2-1/2 Inch (63.5mm)
    Body Material:
    Machined Aluminum
    Form Factor:
    Cylindrical Threaded Barrel
    Application / Use Case:
    Optical system adaptation, scientific imaging
    Condition:
    Used – Inspected
    Seller Notes:
    Sold as-is. Lens adapter only, no additional accessories included.
    Country/Region of Manufacture:
    United States
    Condition Notes:
    Simpson Optical Perceptordaptor No. 137-0001 2-1/2" lens adapter sold as-is. Shows surface wear and oxidation on knurled aluminum body. Optical element appears intact. Not tested; no functionality guarantee.
    $25.00
    Was: $50.00