Back-Bone 1/2" 25-135mm f1.8 3MP Varifocal Lens - SKU#1175978

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Used Back-Bone 1/2" 25-135mm f1.8 3MP Varifocal Lens

SKU: US1175978
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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

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Extend coverage on pre-owned products after the retailer warranty ends and protect photo & video gear from accidental damage with Adorama Protect.

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Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for International and U.S. territories purchases. Plans on pre-owned items do not cover pre-existing damages.

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Back-Bone 25-135mm f1.8 Specifications

  • Focal Length

    25 - 135mm

  • Effective Lens Aperture

    Front: 44.5mm
    Rear: 12.2mm

  • Max. Aperture Ratio

    1:1.8

  • Back Focal Length

    Tele: 12.0mm
    Wide: 16.4mm

  • Max. Image Format

    5.3 x 7.1mm (8.9mm)

  • Operation Range

    Iris: F1.8 - F16C
    Focus: 1.5m - Infinite
    Zoom: 25 - 135mm

  • Flange Back Length

    17.526mm

  • Mount

    C-Mount

  • Tripod Screw

    1/4-20UNC

  • Control

    Iris: Manual
    Focus: Manual
    Zoom: Manual

  • Filter Size

    M52 x 0.75

  • Angle of View

    1/1.8 type
    D: 20.7 ½ 3.9 Degree
    H: 16.2 ½ 3.1 Degree
    V: 12.0 ½ 2.4 Degree

    1/2 type
    D: 18.4 ½ 3.5 Degree
    H: 14.5 ½ 2.8 Degree
    V: 10.8 ½ 2.1 Degree

    1/3 type
    D: 13.6 ½ 2.6 Degree
    H: 10.8 ½ 2.1 Degree
    V: 8.1 ½ 1.6 Degree

  • Operating Temperature

    (-10 ½ +50 Degree C)

  • Dimensions

    4.65 x 2.13" (118 x 54mm)

  • Weight

    14.5 oz (411g)

About Back-Bone 1/2" 25-135mm f1.8 3MP Varifocal Lens - SKU#1175978

Full HD with excellent results at 4K! This exceptional lens produces outstanding results with the Ribcage or any other C-Mount camera. It features a built in tripod mount, an adjustable orientation, focus and zoom locking screws and 52mm filter threads. The front end of the lens remains stationary during focus and zoom adjustments, so it's perfect for use with your favorite polarizing filter! 35mm equivalent focal length: 140 - 760mm.

Back-Bone 1/2" 25-135mm f1.8 3MP Varifocal Lens - SKU#1175978 Features

  • 3 Megapixel Manual Iris Varifocal
  • Full HD Format
  • 25-135mm ultra long range telephoto capability
  • Corner Brightness
  • Precise Focus Adjustment
  • Auto Iris version also available
  • Provides maximum sharpness and detail at more that 500'
  • Built in tripod mount
  • 52mm filter threads
  • Focus and zoom locking screws
  • Orientation adjustment

Used Guarantee

30-day money back!

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What's in the box:

  • Front and Rear Lens Caps
  • Original Box