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M111FM50 Tamron 1/1.1″ 50mm F/1.8 Aspherical Mega-Pixel Fixed-Focal Lens


*This product is currently experiencing delays and on backorder due to COVID-19.  Please contact customer service for additional information.*
Tamron M111FM50 1/1.1″ 50mm F/1.8 Aspherical Mega-Pixel Fixed-Focal Lens

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The Tamron M111FM50 lenses are optimized for 3.1m-pixel-pitch imagers, equivalent to 1.1″ 12 mega-pixels, offer the highest contrast and resolution among Tamron’s machine vision fixed-focal lens line-up. Tamron’s proprietary optical design ensures identical high-contrast and resolution for all four lenses irrespective of focal length. Use of state-of-the-art optical technology enables high-contrast and high-resolution from the corner to the periphery of images despite the large aperture size. The highest-contrast and resolution performance in Tamron’s machine vision fixed-focal lens line-up also opens gates to other areas of applications including traffic monitoring, notably for ITS (Intelligent Transport Systems).


  • Machine Vision/Factory Automation Lens
  • Designed for 1.1″ Sensor Cameras
  • Resolves up to 12 MP on 1.1″ Sensors
  • Focus and Iris Lock Screws
Focal Length 50mm
Iris Range F/1.8-22
Mount C
Iris Operation Manual w/Lock
Focus Operation Manual w/Lock
1/1″ Angle of View (wide/telephoto) 1:1 14.1⁰ x 14.1⁰4:3 15.9⁰ x 11.9⁰
1″ Angle of View (wide/telephoto) 1:1 12.9⁰ x 12.9⁰4:3 14.6⁰ x 11.0⁰
2/3″ Angle of View (wide/telephoto) 10.1⁰ x 7.6⁰
Focusing Range 0.4m ~ INF
Back Focus (in air) 26.72mm (in air)
Wave Length Visible light
Filter Size M 49 P 0.75
Weight 415g
Operating Temperature -20⁰C ~ +60⁰ C
Weight 3 lbs
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