
User Manual
Lens Construction
Depth Rating
Magnification
Mounting
Material
Weight
Dimensions
Bundled items
1. Align the lens with M52 thread mount.
2. Turn the lens clockwise until secure on the mount.
3. To adjust the position of the lens hood, slightly loosen the set screws
as indicated above. Turn the hood to the desired position and secure
by tightening the set screws.
●Depending on the camera or housing, the vignetting may occur. In that case, zoom slightly in until the vignetting disappears.
●To use the lens, natural light, external strobe or video light is recommended. The built-in flash causes partial underexposed image.
●When you use external strobe, keep the flash light away from the field of view of the lens to prevent the ghost.
●Do not give shock or vibration to the lens. And cover the lens with the provided covers when not in use.
●Do not place the lens in extremely hot temperatures or in direct sunlight. It may damage the O-ring.
●Do not use any organic solvents such as alcohol, benzene or thinner as it may cause deformation or damage.
●Never look at the sun though the lens.
●Mount the lens with appropriate force, improper installation may damage the thread on both of the lens and the port.
●The water as an optical element. It is important to fill the water up the space entirely between the rear lens and the port (without bubbles).
●Be careful while mounting the lens to the housing. Dust, dirt or any other particles may damage the lens.
●Do not dry in direct sunlight as it may cause failure, deformation or damage.
●Dry and clean the glass surface of the lens with the cloth.
Mounting
Precaution for use
●Rinse with slow flowing water to ensure the accumulated salt is
completely dissolved, it is recommended to soak the lens into fresh
warm water for several hours.
●Take off the water residue or droplet by blower or wipe the lens with
soft cloth (e.g. micro-fiber cloth).
●Store the lens in dry area.
●Do not store the lens in presence of chemical, solvents or fuels.
Maintenance
●168 degrees of glorious wide angle coverage, and even a bit wider when your camera
system allows it.
●For close-up shots without removing the lens.
●Movable lens hood prevents flare as well as helps the protection of the lens.
Features
5groups, 5elements
60m/200ft
0.41×
M52
Optical glass, Hard plastic, Aluminum alloy with
black anodize, ABS
526g(air)/165g(underwater)
126Dia×D85mm(w/hood)
FIX Fisheye Conversion Lens UWL-28M52R
Rear Rubber Lens Caps
Hexagon key
Dome Cover
User Manual
Fisheye Conversion Lens
UWL-28M52R
Donotstronglytightenscrewstoomuch.Itmaycausedamage
thelens.
5-29-7 Minami Nagasaki Toshima-ku, Tokyo 171-0052 JAPAN
TEL +81-3-5996-5637 FAX +81-3-5996-7202
www.fisheye-jp.com