INON UCL-G55 ZD Underwater Close-up Lens

FEATURES

• This lens shortens minimum focus distance underwater to 4.8cm/1.9in supporting high magnification/close-up image.
• Specifically designed for super macro imaging with Depth of Field (DoF): 4.8cm/1.9in – 6.2cm/2.4in and underwater field of view 45 degree. (*U/W angle of view without the lens is 94 degrees and DoF is from 60cm/2.0ft to infinity) SinceDoFisshallow,itisrecommendedtouseatripodetc.tofixthecamerapositiontokeepasubjectinfocus.
•  Packaged Focus Stick (PAT.P) greatly reduces blur clips as it provides visual reference of the depth of field
• Bayonet INON SD Mount compatible to support friendly and speedy lens exchange
• Optional INON AD Lens Holder can hold the UCL-G55 SD when the lens is not in
• Optics is constructed of coated 3 elements in 2 groups including achromatic lens to suppress achromatic and other aberrations to bring out optimal performance of master lens

Specifications

• Size: 77mm / 3.0in (diameter), 26.8mm / 1.1in (length)
• With Focus Stick:
  • W121 x H 91 x D87mm / W4.8 x H3.6 x D3.4in [Focus Stick]
  • W121 x H120 x D28mm / W6.8 x H4.9 x D1.1in [Focus Stick retracted]
• Weight:
  • 189g / 6.7oz [lens standalone, air]
  • 45.4g / 1.6oz [Focus Stick standalone, air]
  • 119g / 4.2oz [with Focus Stick, underwater]
• Mount system: INON ZD Mount
• Depth rating: 60m / 197ft
• Body material /finishing: Corrosion resistant aluminum alloy rigid black almite, PC etc
• Lens material /coating: Optical glass/both side coating
• Lens construction: 2 groups 3 elements
• View angle (underwater): Approx. 90°
• Depth of field (*2): 4.8cm/1.9 – 6.2cm/2.4 in
• Compatible Front Mask:
  • ZD Front Mask for HERO12
  • ZD Front Mask for Ace Pro