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Inon UCL-G165 SD Underwater Wide Close-up Lens for GoPro Hero3, Hero3+ & Hero4 CamerasA GoPro camera is a deep focus camera which does not require focusing but prevents a subject gets in focus within 60cm/2ft range (air) in theory thus not usable for underwater macro shooting. Using standard macro lens for a compact digital camera would not help the situation as it would create vignetting and very shallow depth of field preventing comfortable focusing. The UCL-G165 SD lens is so-called "wide close-up lens" specifically designed for GoPro cameras based on its optical characteristic supporting closer minimum focus distance underwater enabling high magnification/close-up imaging. The depth of field (DoF) underwater will be 5cm/2.0in to 35cm/1.1ft for GoPro HERO4/3+ or 7cm/2.8in to for GoPro HERO3.Inon, UCL-G165, SD, Underwater, Wide, Close-up, Lens, for, GoPro, Hero3,, Hero3+, &, Hero4, Cameras

Inon UCL-G165 SD Underwater Wide Close-up Lens for GoPro Hero3, Hero3+ & Hero4 Cameras

The UCL-G165 SD lens is so-called "wide close-up lens" specifically designed for GoPro cameras based on its optical characteristic supporting closer minimum focus distance underwater enabling high magnification/close-up imaging. The depth of field (DoF) underwater will be 5cm/2.0in to 35cm/1.1ft for GoPro HERO4/3+ or 7cm/2.8in to for GoPro HERO3.

SKU: # IN-ucl-g165-cul

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Overview / Product Description






Inon UCL-G165 SD Underwater Wide Close-up Lens for GoPro Hero3, Hero3+ & Hero4 Cameras




The INON "UCL-G165 SD" underwater wide close-up lens enables you to shoot a subject from close range of the lens with deep depth of field thanks to GoPros deep-focus characteristic.



Get Closer Minimum Focus Distance

A GoPro camera is a deep focus camera which does not require focusing but prevents a subject gets in focus within 60cm/2ft range (air) in theory thus not usable for underwater macro shooting. Using standard macro lens for a compact digital camera would not help the situation as it would create vignetting and very shallow depth of field preventing comfortable focusing. The UCL-G165 SD lens is so-called "wide close-up lens" specifically designed for GoPro cameras based on its optical characteristic supporting closer minimum focus distance underwater enabling high magnification/close-up imaging. The depth of field (DoF) underwater will be 5cm/2.0in to 35cm/1.1ft for GoPro HERO4/3+ or 7cm/2.8in to for GoPro HERO3.

*The depth of field (DoF) on land is theoretical value based on focal length/aperture of camera lens and pixel pitch of the image sensor. DoF underwater is measured from "the forefront of the lens".



Ideal Angle of View for Macro Shooting

Maximum angle of view of GoPro HERO4, HERO3+/3 Black Edition is approx. 151_ on land which will narrow down to approx. 94_ when the camera is housed in genuine dive housing and submerged due to different refraction index. The INON UCL-G165 SD slightly increases angle of view underwater to 110_ to capture dynamic scene played by a subject as the lens frames subject larger than UFL-G140 SD which delivers ultra wide 140_.

*Measured angle of view by INON on land or calculated angle of view underwater based on the measured angle of view on land. Not confirmed by camera manufacture. The measured angle of view of "HERO3+ Silver Edition" is approx. 142_(air) which is less wide than the "Black Edition". So angle of view underwater with this lens is less than 110_. The "HERO3+ White Edition" has not been tested.



Professional-level Image Quality

Optics is constructed of 2 elements in 2 groups. All elements are made from high refractive index glass lens to minimize whole size dramatically without sacrificing performance. Both lens elements have anti-reflection coating on all surfaces to elicit combined master lens performance with less ghost/flare.



Speedy Lens Exchange by SD Mount

Bayonet INON SD Mount compatible to support friendly and speedy lens exchange underwater. Compatible with AD Lens Holder to hold a lens when not in use.



Specs:

  • Size: 77mm / 3.0in (Diameter), 25.2mm / 1.0in (Length)
  • Weight
    • [air] 200g / 7.1oz
    • [underwater] approx. 121g / 4.3oz
  • Mount system: INON SD Mount
  • Depth rating: 60 / 196.9ft
  • Material/surface finishing: Corrosion-resistant aluminum alloy / rigid black alumite, PC etc.
  • Lens material/coating: Optical glass / both side coating
  • Depth of field (*1)
    • 5cm / 2.0in to 35cm / 1.1ft HERO4, HERO3+ Black
    • 7cm / 2.8in to HERO3 Black
  • Lens construction: 2 groups 2 elements
  • Focal length (*2): 165mm (underwater)
    • (*1) Measured distance underwater for GoPro HERO4/HERO3+ Black/HERO3 Black. Divide by 1.33 for visual distance underwater. Other Edition has not been tested.
    • (*2) Standalone focal length of UCL-G165 SD and not combined focal length with cameras master lens.