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As if cast from the same mould the BD 8x44
BP and BD 10x44 BP binoculars are hard to tell
apart and feature a striking and unmistakable
blend of all MINOX competences in leading-
edge optical technology. Enhanced three-
dimensional imaging, an exceptional light
transmission of 94.5 percent as well as an
extremely compact design make these Porro
binoculars from MINOX the ideal companion
for every field of nature observation.
The Porro prism offers clear advantages
over roof prisms, especially the higher light
transmission, as less light is lost in the optical
path through reflection, on the way to the eye.
Nevertheless, this design has been somewhat
neglected over recent years. The use of Porro
prisms always implies increased weight and
comparatively larger dimensions of the bino-
culars. As a specialist for the miniaturization
of optical equipment MINOX has been able to
develop compact Porro binoculars minimizing
these familiar weak points and maximizing
the strong ones.
technichal Data
BD 8x44 BP
Magnification
8 x
Front lens diameter
1.73 in / 44 mm
Exit pupil
0.22 in / 5.5 mm
Field of view
336.74 ft / 1000 yds 6.4°
111.7 m / 1000 m 6.4°
Eye relief
0.72 in / 18.5 mm
Close distance
13.12 ft / 4 m
Over run (∞)
4 dpt
Diopter adjustment
± 2 dpt
Twilight number
18.8
Geom. twilight number
30.3
Operating temperature
14° up to 122° F / -10° up to +50° C
Waterproof
yes, down to 16.4 ft / 5 m
Height x Width x Depth
4.96 x 7.20 x 2.04 in / 126 x 183 x 52 mm
Weight
approx. 24.34 / 690 g
Order number
62150
A new Definition
of the thirD Dimension
MINOX launches modern Porro binoculars
with the BD8x44BP and BD10x44BP
Only binoculars fitted with Porro prisms are
able to provide the user with an enhanced
three-dimensional shape or 3D-effect of the
object in view, this being based on the incre-
ased objective lens spacing. With this almost
three-dimensional imaging it is a lot easier to
exactly estimate the position and distance of
the objects in the field of view – something
hunters or those practicing water sports will
rate very highly. Besides this, the short and
compact design offers clear-cut advantages
in handling, particularly when every second
counts. When the observer views an object
with the naked eye, he or she can literally
pick up one of the MINOX Porro binoculars at
the turn of the wrist, immediately capture the
object close up and then put the binoculars
back down, standing on the objective lenses
and safe from tipping over.
The elegant and modern design of the sturdy
metal housing is both innovative and ergono-
mic, just like the focusing system which is one
of MINOX's own developments: for the first
BD10x44 BP
10 x
1.73 in / 44 mm
0.22 in / 5.5 mm
268.34 ft / 1000 yds 5.1°
89 m / 1000 m 5.1°
0.63 in / 16 mm
13.12 ft / 4 m
4 dpt
± 2 dpt
21
19.4
14° up to 122° F / -10° up to +50° C
yes, down to 16.4 ft / 5 m
4.96 x 7.20 x 2.04 in / 126 x 183 x 52 mm
approx. 24.34 / 690 g
62151
S
p o rt
time in Porro binoculars an internal focusing
with central focusing is used instead of the
usual individual eyepiece adjustment. This is
where the large focusing wheel is also used
for diopter adjustments. Once adjusted to the
user's eye the correction is stored and protec-
ted against any unintentional resetting.
Standards are again set by the quality of the
optical system. High contrast, neutral color
rendition and maximum resolution of the
images are striking features in this respect.
An innovative sealing technology is another
feature of these MINOX Porro binoculars. The
BD 8x44/10x44 BP are protected against the
penetration of water at a pressure of up to
0.5 bar or, comparatively, at a water depth of
five meters. A noble argon gas filling on the
inside also protects the inner glass-air surfaces
against corrosion and fogging, enabling the
optical system to remain ready for action at
all times, even under extreme temperature
fluctuations. With extended eye relief people
wearing glasses can also enjoy the full field
of view – for easier adjustment the 8x44 and
the 10x44 are additionally fitted with twist-up
eyecups with click stops.
The scope of delivery includes a Neoprene
neck strap and a nylon case for each model.
o
p t i c S
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