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SeaLife SL051 - Wide Angle Conversion Lens Manual

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1) Overview: The 0.75x underwater wide angle conversion lens compensates for the water’s magnification effect (i.e.
refractive index), increasing underwater field-of-view by 33%. The precision 2-element optical construction maintains the
camera’s native focal length and focussing range on land or underwater.It is compatible with all underwater housings with
52mm lens port or SeaLife DC-series UW housings. The lens can be attached/removed while underwater.
2) What’s in the box:
Wide Angle Lens Molded lens cover 52mm DC adapter Micro fiber cleaning cloth
(with 52mm thread
mount and lanyard)
5) Important:
a) If your camera vignettes (dark corners) when using
the lens, slightly increase the zoom until vignette is
gone.
b) After each dive, soak the lens in fresh water for
about 20 minutes to remove any residual salt, sand
and dirt. Dry lens with clean cotton towel so water
drops do not dry and stain the lens.
c) Some camera models may need to be set to macro
auto focus. Do not set camera to infinity focus.
d) When using the 52mm DC Adapter, avoid
bumping/knocking the lens or it may dismount from
the housing lens ports.
e) Make sure the lens cover is free of sand/dirt/debris
before attaching it to the lens or it may cause
scratches.
f) The dome lens has a hard coating applied to prevent
scratches; however, proper lens cleaning care is
required. Brush or blow away and sand/dirt/debris
from the lens surface. Use lens cleaning cloth
provided to gently clean finger prints and smudges
from the lens. Moisten lens cloth with lens cleaner
or fresh water if necessary. Never use detergents or
chemicals to clean the lens.
g) Apply a small amount of silicone O-ring lube to the
52mm threads of the lens to prevent corrosion on
the thread surface.
h) After entering the water, remove the lens from the
camera to get rid of any trapped air. There must be
water between the lens and the camera port.
i) When the lens is being submerged in cold water, the
sudden change of temperature may cause fogging
inside the lens. Just before diving, immerse the lens
in the cold water for about 15 minutes to reduce the
chance of fogging from sudden temperature change.
6) Guarantee:
SeaLife warrants the original purchaser of this product, for a period of one (1) year from the date of purchase, that the
product is free from defects in workmanship and materials. In the event the original purchaser believes there is a defect in a product, it is
recommended that the purchaser first visit www.sealife-cameras.com for product updates and information on how to get warranty repair
service. Please contact your local SeaLife dealer or the importer in the country where the product was purchased for return information.
0.75x Underwater Wide Angle Conversion Lens (Item SL051) Instruction Sheet
3a) Mounting the lens to SeaLife DC-series UW housings:
Attach 52mm DC Adapter Align the lens with the lens port of
(SL977) to the lens. the SeaLife DC-series UW housing and
push until it press-fits on to the port.
3b) Mounting the lens to UW housings with 52mm lens port:
Align the lens with the 52mm lens port Rotate the lens in clockwise direction
of the UW housing. Note: the 52mm DC until lens is completely threaded onto
Adapter ring should be removed from the the lens port. Do NOT overtighten.
wide angle lens.
4) Attach safety lanyard to UW housing:
SeaLife (Pioneer Research), 97 Foster Road, Moorestown, NJ 08057 USA www.sealife-cameras.com
February 2018
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