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Inon Announces UCL-67 Underwater Close-up Lens
By Ian Bongso-Seldrup, February 16, 2017 @ 08:00 AM (EST)

Inon has unveiled the UCL-67, a new close-up lens with an underwater focal length of 67mm, which the company says is equivalent to an optical power of +15 diopters. Two options are available with different mounts: a standard 67mm screw-type mount and Inon’s LD bayonet-type mount.

Featuring four elements in three groups, with anti-reflection coatings on all glass elements, the UCL-67 is aimed at full-frame DSLR users with a 60mm–100mm macro lens, and offers a comfortable working distance. An optional flip mount adapter is available, as is an optional lens adapter ring to allow the UCL-67 to be stacked with other Inon lenses.

The UCL-67 is shipping now. Check with your local Inon dealer for prices.
 



PRESS RELEASE

UCL-67 M67/UCL-67 LD Underwater Close-up Lens

INON INC. is pleased to announce official release of high-power underwater close-up lenses UCL-67 M67 (screw mount type)/UCL-67 LD (28LD compatible bayonet type) and their optional accessories. The UCL-67 series is designed best suited with 60mm-100mm macro lens for full-frame digital SLR delivering ultra high magnification yet high image quality and comfortable working distance for lighting.
 

  • UCL-67 M67 Underwater Close-up Lens
    --Release date: February 4th, 2017
    --JAN code: 456212143 837 8
  • UCL-67 LD Underwater Close-up Lens
    --Release date: February 4th, 2017
    --JAN code: 456212143 838 5
  • Lens Adapter Ring for UCL-67
    --Release date: February 4th, 2017
    --JAN code: 456212143 839 2
  • M67 Flip Mount Adapter for UCL-67
    --Release date: To be released in March 2017
    --JAN code: 456212143 840 8

UCL-67 M67

UCL-67 LD

Left: Lens Adapter Ring for UCL-67
Right: UCL-330 stacked on UCL-67 M67 via Lens Adapter Ring for UCL-67

Left: M67 Flip Mount Adapter for UCL-67
Right: M67 Flip Mount Adapter for UCL-67 installed on UCL-67


Product features

  • The lens is consists of 4 elements in 3 groups using high refractive index glass to accommodate with a macro lens for full-frame digital SLR with compact body yet delivering high magnification and superior image quality.  Also compatible with compact/mirrorless digital cameras. (*1)
  • The UCL-67 is an ultra-high magnification close-up lens with underwater focal length 67mm (equivalent to +15 diopter) delivering maximum magnification 2.76x [area ratio: 7.65x] when using for 100mm range macro lens for SLR at the minimum focusing distance. (*2)
  • Designed sole use underwater to provide unparalleled high quality image as underwater close-up lens and effectively suppress aberrations in all focal range considering it ultra high magnification.
  • While the UCL-67 delivers high magnification, it still offers long working distance.  When using with 100mm range macro lens for SLR, working distance is 52mm (83.4mm from housing port surface) at minimum focusing distance(*2).  Together with its compact size, the lens supports friendly lighting even at minimum focusing distance.
  • Employing achromatic lens effectively suppresses chromatic aberration and anti-reflection coating on all surfaces suppresses flare/ghost.
  • Optional Lens Adapter Ring for UCL-67 allows to stack another INON M67 series close-up lens (UCL-165M67/UCL-330 on the front side of UCL-67 for even higher magnification (*3).
  • The UCL-67 M67 has M67 screw mount to provide wide versatility.
  • The UCL-67 LD is to use for lockable INON 28LD Mount Base and LD Lens Adapter Base to support easy, speedy yet reliable installation.
  • Optional  M67 Flip Mount Adapter for UCL-67 is available to replace with original M67/LD mount to attach the lens on flip lens holder from other manufacture such as Nauticam flip holder etc.
    (*Not compatible with any flip lens holder with 57mm or less diameter such as SAGA etc.)
    (*Original lens mount is replaceable by a customer using precision Philips screw driver to unscrew fixing screws)


UCL-67 M67 (*4)

  • Outer diameter/length: φ70mm(2.76in.)/37mm(1.46in.)
  • Weight: [Air] 340g(12.0oz)/[Underwater] 227g(8.0oz)
  • Mount system: INON M67 Mount
  • Depth rating: 60m (197ft)
  • Material/surface finishing: Corrosion-resistant aluminum alloy/rigid black alumite
  • Lens material/coating: Optical glass/anti-reflection coating
  • Construction: 3 groups 4 elements
  • Focal length [Underwater] (*5): 67mm (2.64in.)


UCL-67 LD (*4)

  • Outer diameter/length: φ70mm(2.76in.)/37mm(1.46in.)
  • Weight: [Air]326g(11.5oz) / [Underwater]217g(7.7oz)
  • Mount system: INON 28LD Mount
  • Depth rating: 60m(197ft)
  • Material/surface finishing: Corrosion-resistant aluminum alloy/rigid black alumite, POM etc.
  • Lens material/coating: Optical glass/anti-reflection coating
  • Construction: 3 groups 4 elements
  • Focal length [Underwater](*5): 67mm (2.64in.)


Lens Adapter Ring for UCL-67

  • Outer diameter/length: φ71.2mm(2.80in.)/15.6mm(0.61in.)
  • Weight [Air]: 20g(0.7oz)
  • Mount system (front): INON M67 Mount
  • Material/surface finishing: Corrosion-resistant aluminum alloy/rigid black alumite


M67 Flip Mount Adapter for UCL-67

  • Outer diameter/length: φ69mm(2.72in.)/7.0mm(0.28in.)
  • Weight [Air]: 18g (0.6oz)
  • Mount system: M67 screw mount
  • Material/surface finishing: Corrosion-resistant aluminum alloy/rigid black alumite


(*1) Usable zoom range is between 60mm and 100mm (35mm film equivalent). Beyond this range, there will be vignetting at wider side and deteriorated image quality at telephoto side.

(*2) When using for AF-S VR Micro-Nikkor 105mm f/2.8G IF-ED

(*3) Any other higher magnification close-up lens, 「UCL-100M67」 or 「UCL-67」 cannot be combined as they significantly degrade image quality.

(*4) This product is designed for underwater use only. Using on land will have less magnification, distortion on image corners or vignetting.

(*5) Focal length of 「UCL-67 M67」/「UCL-67 LD」 standalone and not combined focal length with camera’s master lens.


Compatible lens

  • 60mm-100mm range macro lens for full-frame digital SLR (*6)
  • 40mm-60mm range macro lens for APS-C (*6)
  • 45mm-60mm range macro lens (*6), standard zoom lens (*1) for mirrorless camera
  • Compact digital camera with maximum optical zoom 5x or less (*1).

(*6) Vignetting may be observed using for a housing system which has significantly long distance between camera master lens and port lens surface or this product and port.


Set-up example

UCL-67 M67 on 100mm macro port of INON X-2 for EOS6D

UCL-67 LD on Canon PowerShot G7 X Mark II/WP-DC55 via INON LD Lens Adapter Base DC54/55

UCL-67 LD on FUJIFILM XQ2/WP-XQ1 via INON 28LD Mount Base XQ1


UCL-67 M67/UCL-67 LD Sample images

Subject: Moss fringehead
Equipment: Olympus E-M1 MarkII/PT-EP14, MRS50 Port, ZUIKO DIGITAL ED 50mm F2.0 Macro, MRS50 Port for Olympus, S-2000 Strobe x2
Photo data:
[Left] Without close-up lens: Manual exposure mode (F14, 1/25, ISO800), S-2000: S-TTL Auto mode, photo taken at minimum focusing distance
[Right] With UCL-67 M67: Manual exposure mode (F13, 1/50, ISO800), S-2000: S-TTL Auto mode, photo taken at minimum focusing distance
Photo by: R. Hattori (INON INC.) at “Yokoiso Beach”, Atami Shizuoka, Japan
 



Subject: Coral crab
Equipment: Sony DSC-RX100M5/MPK-URX100A, S-2000 Strobe x2
Photo data:
[Left] Without close-up lens: Aperture priority (F11, 1/30, ISO320), S-2000: S-TTL Auto mode, photo taken at minimum focusing distance
[Right] With UCL-67 M67: Aperture priority (F11, 1/30, ISO320), S-2000: S-TTL Auto, photo taken at minimum focusing distance
Photo by: R. Hattori (INON INC.) at Kushimoto Marine Park Beach, Kushimoto Wakayama, Japan
 

Subject: Thecacera picta
Equipment: Nikon AF-S VR Micro-Nikkor 105mm f/2.8G IF-ED, S-2000 Strobe x2
Photo data:
[Left] Without close-up lens: Manual mode (F32, 1/250, ISO160), S-2000: Manual mode, photo taken at minimum focusing distance
[Right] With UCL-67 M67: Manual mode (F32, 1/250, ISO160), S-2000: Manual mode, photo taken at minimum focusing distance
Photo by: R. Hattori (INON INC.) at “Wannai” Osezaki Shizuoka Japan
 



Subject: Oriental sweetlip (yg)
Equipment: Nikon AF-S VR Micro-Nikkor 105mm f/2.8G IF-ED, S-2000 Strobe x2
Photo data:
[Left] Without close-up lens: Manual mode (F18, 1/250, ISO200), S-2000: Manual mode, photo taken at minimum focusing distance
[Right] With UCL-67 M67: Manual mode (F36, 1/250, ISO200), S-2000: Manual mode, photo taken at minimum focusing distance
Photo by: R. Hattori (INON INC.) “Wannai”, Osezaki Shizuoka, Japan


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