Specifications

SAFETY & NAVIGATION
721
Binoculars / Sextants
Bushnell 7 x 50 Perma Focus Binocular
Focus-free operation in a 7 power ocular,
with a 50mm objective for superior
brightnessandclarity.Providesa372'eld
of view @ 1,000 yards (good for distant
objests). Comes complete with carrying
case, neck strap and lens cloth.
BUS 17-5007
Bushnell 7 x 50 Waterproof Marine Binocular
Hermetically sealed and nitrogen- •
purged for waterproof and fog proof
performance
Large UV coated objective lenses for •
bright images from dusk-to-dawn
Easy-grip rubber armour protects and •
provides a secure hold - even when wet
Carrying case and strap included•
Internal ranging reticule•
Internal illuminated analog compass•
BUS 13-7500
Bushnell 7 x 50 H2O Waterproof Binocular
BAK-4 prisms for bright, clear, crisp •
viewing
Multi-coated optics for superior light •
transmission
100% waterproof: O-ring sealed and •
nitrogen purged for reliable, fog-free
performance
Non-slip rubber armour absorbs shock while providing •
armgrip
Twist-up eyecups•
Large center-focus knob for easy adjustments•
Longer eye relief•
BUS 15-0750
Davis Deluxe Mark 25 Sextant
Thissextantusesafull-eldbeam
converger, with a quartz hardcoat, that
replaces conventional half-silvered
mirrors. Horizon and astrobody images
arecombinedinasinglefull-eldfor
easy, reliable sights under the most
difcultconditions.Specialmineral
coating is selective for different
wavelengths of light. Horizon is
transmitted in one colour region and the star or sun in another.
Improved reinforced plastic stiffens frame for greater measurement
accuracy.High-efciencyLEDilluminationsystemwhichoods
arc and drum with soft light. The led will last for the lifetime of
the sextant. Batteries, which are included (AAA), will last up to 10
times longer than with regular bulbs.
DIN 025
Davis Mark 15 Sextant
7 large sunshades•
3 mm x 27 mm star scope•
Micrometre drum vernier scale that •
reads to 2/10
th
of a degree
7" (18 cm) frame radius graduated •
from 120 degrees to -5 degrees
Traditional half-silvered mirror•
DIN 026
Davis Standard Mark 3 Sextant
Sometimes referred to as a "lifeboat" sextant, the Mark 3 is an
inexpensive training sextant. Yet this model has taken sailors
around the world. It is full-sized and has 4 sunshades, but no optical
magnicationtohelpyounddimcelestial
bodies.
Full 7" arc•
Instantly adjustable•
Corrosion proof•
Reads to within 2' of arc•
DIN 011