ReviewsInternal Focusing

Rokinon 12mm F2.0 NCS CS Ultra Wide Angle Lens for Fuji X Mount Digital Cameras Black RK12M-FX - Fixed Renewed

  • Nano Crystal Coating System (NCS) for increased light transmission and reduced internal reflections.
  • Fast F2.0 maximum Aperture + close-focusing to 9.5 inches = maximum versatility in all shooting conditions.
  • Optimized for excellent optical quality and true ultra-wide 110 degree edge to edge coverage with APS-C sensor digital cameras.
  • Utilizes 3 high precision (2 Aspherical + 1 ED) lens elements for superior image quality.
  • Inner focusing system (IF) - length doesn't change and front element does not rotate - keeps integrated petal-type lens hood properly oriented.
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Rokinon 10mm F2.8 ED AS NCS CS Ultra Wide Angle Fixed Lens for Sony E-Mount (NEX) Cameras (10M-E) , Black

  • Nano Crystal Coating System (NCS) for increased light transmission and reduced internal reflections.
  • Fast F2.8 maximum Aperture + close-focusing to 9.5 inches = maximum versatility in all shooting conditions.
  • Optimized for excellent optical quality and true ultra-wide 110 degree edge to edge coverage with APS-C sensor digital cameras.
  • Utilizes 3 high precision (2 Aspherical + 1 ED) lens elements for superior image quality.
  • Inner focusing system (IF) - length doesn't change and front element does not rotate - keeps integrated petal-type lens hood properly oriented.Length: 4.18 inches.
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Rokinon 10mm F2.8 ED AS NCS CS Ultra Wide Angle Lens Canon EF-S Type for Canon Digital SLR Cameras 10M-C

  • Nano Crystal coating system (n's) for increased light transmission and reduced internal Reflections.
  • Maximum diameter: 3. 43 inches (87mm). fast F28 maximum aperture + close-focusing to 95 inches = maximum versatility in all shooting conditions.
  • Optimized for excellent optical quality and true ultra-wide 106 Degree edge to edge coverage with Canon APS-C sensor digital cameras.
  • Utilizes 3 high precision (2 aspherical + 1 ED) Lens elements for superior image quality.
  • Inner focusing system (if) – length doesn't change and front element does not rotate – keeps integrated petal-type lens hood properly oriented.
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Rokinon 10mm F2.8 ED AS NCS CS Ultra Wide Angle Lens for Nikon Digital SLR Cameras with AE Chip for Auto Metering 10MAF-N

  • Nano Crystal Coating System (NCS) for increased light transmission and reduced internal reflections.
  • Fast F2.8 maximum aperture + close-focusing to 9.5 inches = maximum versatility in all shooting conditions.
  • Optimized for excellent optical quality and true ultra-wide 110 degree edge to edge coverage with APS-C sensor digital cameras.
  • Utilizes 3 high precision (2 Aspherical + 1 ED) lens elements for superior image quality.
  • Inner focusing system (IF) – length doesn't change and front element does not rotate – keeps integrated petal-type lens hood properly oriented.
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Rokinon 10mm F2.8 ED AS NCS CS Ultra Wide Angle Lens for Olympus and Panasonic Micro 4/3 (MFT) Mount Digital Cameras (10M-MFT) , Black

  • Nano Crystal Coating System (NCS) for increased light transmission and reduced internal reflections.
  • Optical construction: 14 Glass.Fast F2.8 maximum aperture + close-focusing to 9.5 inches = maximum versatility in all shooting conditions.
  • Optimized for excellent optical quality and true ultra-wide 110 degree edge to edge coverage with APS-C sensor digital cameras.
  • Utilizes 3 high precision (2 Aspherical + 1 ED) lens elements for superior image quality.
  • Inner focusing system (IF) - length doesn't change and front element does not rotate - keeps integrated petal-type lens hood properly oriented.
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Sigma 28-70mm F2.8 DG DN for Sony E

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Sigma 18-35mm F1.8 Art DC HSM Lens for Nikon

  • Designed specifically for APS-C sized sensors.
  • Internal focusing and zooming allows for more usability and functionality.
  • The 18-35mm is ideal for landscapes, portraits, still life, snap shots, casual, and close-ups.
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Astromania 2\ 45-Degree Erecting Prism Diagonal for Telescope

  • Image erecting BAK4 prism with anti-reflection coating..
  • High accuracy and high light reflection prism..
  • Internally matte blackened and threaded for no internal stray light reflection..
  • 1.25" adapter with brass compression ring included..
  • Entirely aluminum, black anodized, smooth finish. If there is any problem of focusing due to the light path for a few telescopes, please feel free to contact us for help..
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Sony SEL30M35 30mm f/3.5 e-mount Macro Fixed Lens

  • Exceptionally portable and versatile for everyday use.
  • Minimum working distance of only 9.75cm with 1:1 magnification.
  • Internal stepping motor and Rear-focusing design for video capture.
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AFM Safecoat Safe Seal Gallon

  • 【SOFTWARE SYSTEM】 Windows 7/Windows 8/Windows 10/ Windows XP / Windows 2000 operating system, static, dynamic image continual capturing and replaying, many images in one screen.
  • easy for measuring, calculating, copying, editing freely, printing multi-format report, including the diagnosis database, offering the case analysis of reference.
  • 【POWER IMAGE FUNCTION】Continuous capturing static images function makes it can browse the dynamic dozens of image.
  • Capacity of cine loop and record continuously for different frequencies dynamic image in sampling.
  • Image database can be edited at any time, and dynamic review dozens of images..
  • 【INTERNAL MEASURING LIGHT】AWB way internal automatically measuring light, brightness auto adjustment and electronic shock-proof function, dynamic balance of focusing around。Quick focus CCD technique makes examination, observing, operating more conveniently.
  • 【DSP DYNAMIC AUTO FOCUS】DSP dynamic auto focus system, 8 times digital zoom cooperating with the manual focal length adjustment, super near camera, can get the clear image far from 0.1m.
  • 【COLOR DIGITAL OPTICAL ZOOM LENS】High-quality 1/4 inch color digital optical zoom lens, 18 times optical zoom, 800.000 pixels providing whole screen high-definition images.
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Tokina ATXAF116DXIIN 11-16mm f/2.8 Pro DX-II Lens for Nikon F Black

  • Two Aspheric Lens Elements. Two Super-Low Dispersion Lens Elements.
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