Leica Duovid 10-15x50 Bedienungsanleitung

Leica Nature Observation

Binoculars, Rangefinders and Spotting Scopes

Leica Camera AG / Oskar-Barnack-Straße 11 / D-35606 Solms

Telephone +49(0)6442-208-0 / Fax +49(0)6442-208-333

leica-camera.com

Heine/Lenz/Zizka 07/07 / ADX / B

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Yellow Wagtail / Motacilla flava

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See more It is our eyes that guide us through the world, shaping

our perception of our surroundings and all we encounter. We only

have to watch shy animals, however, to realize that our natural power

of vision sometimes lets us down. For a whole century, Leica has

been meeting the challenge of making optical instruments to satisfy

the high expectations of birdwatchers, for example. Our innovative

range for sport optics, comprising binoculars, scopes and laser

rangefinders, extends the natural limits of visibility by reaching further

into the distance or picking up more detail when the available light

is too weak for the human eye. All these instruments feature unmis-

takable Leica quality and unbeatable optical performance. As multi-

faceted as their applications, so too are the methods used to create

sports optics products that display images rich in contrast and with

outstanding color rendition. Glass containing fluorite or those with

corrected spectral dispersion, aspherical and achromatic lenses, as

well as modern multi-layer coatings like HDC™ and HighLux-System

HLS™ ensure unforgettable visual experiences.

Yellow Wagtail / Motacilla flava

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New ideas for even better visibility Leica represents

innovation. Our own outstanding achievements in terms of lenses

and mechanics are being continuously monitored and the standards

set even higher. Which is why Leica binoculars and spotting scopes

Fluoride lenses With the help of new

fluoride (FL) glass, in Leica HD and APO

models the color fidelity and contrast

of images is further improved. Optical

FL lenses are to a large part made up

of calcium fluoride, a mineral with a

crystalline structure. Unlike convention-

al optical lenses, this creates a very

low level of dispersion (light scattering)

and corrects aberration (imaging errors)

significantly better. So as a result, the

viewing experience is more natural and

impressive than it has ever been before.

Without fluoride lenses, troublesome color

fringing can occur, and so contrast and

sharpness appear weakened.

Image caption of bird on the right : The new

optical Leica FL lenses reduce color effects

to a minimum – and so nature is rendered

clearly and without distortion.

Consistently smooth focusing – whatever the temperature The mechanics

for the Ultravid HD focusing have been further refined. As a result, focusing is even

smoother and remains free of play across the entire range. Optimized material pair-

ings and gliding discs made from extremely tough, high-performance plastic are

used. In cold conditions, the conventional greased focusing mechanisms sometimes

only work with difficulty, and at higher temperatures they

move too freely. Furthermore, these focusing mechan-

isms can feel “sticky”, and at higher temperatures there

is even the danger that grease can escape and run on

the lens. With the optimized Leica focus, these risks

have been eliminated. In the new Ultravid-HD

models, it works practically without any

lubricants. So even in extreme

temperatures, it is always fully

functional – with a

constantly optimum

degree of smooth-

ness.

Excellent image quality – even in

awkward light conditions Stray or

false light can significantly reduce the

viewing experience. To eliminate this

effectively, Leica is taking a great num-

ber of steps which, in awkward side-

lighting and backlighting situations in

particular, ensure a high-resolution,

clear image without any reduction in

contrast or constraints due to milky

fogging. Specially developed software

simulation allows stray light to be seen

during development stage. Consequent-

ly, thanks to an optimized housing

shape, improved light-absorbing paint,

apertures and stray light traps, the

construction of the new HD and APO

models have been optimized to such

a degree that stray light is (almost) no

longer of any significance. Because

after all, you cannot select the position

of the sun when you are observing

nature.

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4 / 5

Increased light transmission As a

result of constant development of anti-

reflex coating and reflective layer on the

prisms, it has been possible to increase

the previously already very high level

of transmission on all HD models by at

least a further 3 %. Increasing the object-

ive diameter in the new Televid models,

and the use of new types of glass, are

also contributing to this improvement.

Especially in poor lighting conditions

such as twilight, image brightness is

crucial. If you then optimize the coating,

especially for its suitability at night-

time, with conventional lenses this is

then only at the expense of color neu-

trality, which is a drawback for daytime

viewing – the image can appear to have

a blue tint. If you do it the other way

round, the result can be a green tint.

The new Leica HD range now reliably

combines an optimum degree of image

brightness with a constant level of color

neutrality. In spite of this increase in op-

tical performance, with the new Televid

generation it has been possible to short-

en the construction by more than 20%

(compared to the APO-Televid 77 to 82,

with angled sight).

Imitating nature : Leica AquaDuraTM The models of binocular and spotting scopes

with the new HD and APO lenses are now fitted with Leica AquaDuraTM, a “hydro-

phobic coating” which with its water and dirt-repelling properties, ensures clear visi-

bility even in poor weather conditions. As with the leaves of the lotus plant, droplets

of rain simply roll off the lens, and fingerprints and dirt particles are much easier to

remove. In addition, thanks to its increased abrasion resistance, Leica AquaDuraTM

will protect your valuable lenses from damage even more effectively.

In a direct comparison on a Leica test glass, the advantage of Leica AquaDuraTM is made particu-

larly clear : On the coated objective on the left the rain rolls off ; in contrast, on the uncoated

lens on the right, rain drops and dirt remain attached.

What is crucial to this adhesion is the angle of contact between the droplet of water

and the surface. The larger the angle, the less adhesion there is on the surface

(=lower adhesive strength, greater cohesiveness). With angles of contact above 90°,

one speaks of a hydrophobic surface structure.

are always “state of the art”. Our latest innovations are proving this

once more – Leica HD and APO lenses bring you impressively even

closer still to nature.

With the Leica AquaDuraTM hydrophobic layer (left), a water droplet attaches itself considerably

less than with a conventional hydrophilic layer (right), on which the angle is significantly less.

™

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/ 6 00 / 7

Steller's Sea Eagle / Haliaeetus pelagicus

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On14th May, 1907, after three years of research

and testing, the first binoculars of the Ernst Leitz

company in Wetzlar, a 6 x18 Binocle, went into

series production. A hundred years and countless

ideas and innovations later, Leica binoculars are

still providing hunters and nature watchers in par-

ticular with exciting new developments for viewing

distant objects with superlative optics. Resolution,

contrast, color rendering and image brightness have

reached such a high standard that long-distance

outdoor viewing has now become a fascinating ex-

perience rather than a necessity.

Leica sets standards in long-distance optics.

Time and again. Leica’s leading position in long-

distance optics is the result of many years of

experience, unique competence and consistent

further development. Besides innumerable continu-

ous improvements to Leica’s range of binoculars

over the years, innovations of the Leitz/Leica com-

pany have made a key contribution to the general

progress in long-distance optics. Until the Second

World War, binoculars were primarily used for mili-

tary applications. Soon after the introduction of the

first Leitz prism binoculars in the year1907, how-

ever, extra small and compact binocular models

were also sold for visits to the theater and travel-

ing. Their suitability for nature watching was not

specifically mentioned in catalogs at the beginning

of the 20th century, but fell under the generic term

“travel”. Due to Dr. Ernst Leitz II’s passion for hunt-

ing, the Leitz company also developed special bin-

oculars for hunting right from the beginning. More

and more of a differentiation was made between

lightweight, compact models for stalking and more

powerful models for raised hide hunting.

Milestones in Leica binocular history The

hundred-year road to Leica’s worldwide lead in

long-distance optics was paved with many small

steps and outstanding milestones. The develop-

ments that culminated in the Ultravid and Geovid

had modest beginnings.

An independent project right from the start :

Binocle 6x18 (1907 to approx.1910) After three

years of development, the first series-produced

Leitz binoculars were shipped on14th May, 1907.

For the mechanical design, the engineers did not

plow the conventional furrows of other binocular

manufacturers, but took an independent approach

based on patents from the year1906. In those

days, the casting technique was not sophisticated

enough to allow the manufacture of perfect binocu-

More detailed viewing, more discoveries – for the last hundred years, Leica has played a key

role in developing the culture of long-distance viewing. Leica Product Manager Tilman Taube

presents six pathbreaking chapters of this success story.

Historical advertise-

ment from a catalog

printed in1910/1911.

Leica binoculars –

A century of path-

breaking inventions

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8 / 9

lar bodies. After extensive tests, the Wetzlar com-

pany decided to use drawn tubing or hard-rolled

magnalium (alloy of magnesium and aluminum), a

material with exceptionally good strength, density

and weather resistance properties. Leitz patent

no.191758 was more effective for keeping dust

and moisture out of the interior of the binoculars.

Patent no.192762 protected an innovative method

of securing the prisms. Patent no. 2085506 used

the base of the prism holder for adjustment. The

adjustment screws were concealed by the leather

covering and therefore protected from external

intervention.

Early successes : Binodal/Militaris 6x21

(1908 to approx.1919) The Binodal 6x 21 is re-

markable for its original design : The front and back

caps of the prism housing are at the same time the

bridges that connect the two halves. The expressive,

wavy shape of the bridge on the side of the object-

ives makes these binoculars look strikingly differ-

ent. The Binodal was also sold in an almost identical

version under the name Militaris. Whereas earlier

models do not feature a center rod, the revised

version from1913 onwards was produced with a

center rod all the way through. The Binodal is also

evidence that Leitz adopted the design for “prism

binoculars with increased objective spacing” for

some models after the Zeiss-Jena patent of1893

expired in1908. Independently of this, however,

Leitz continued its models without increased ob-

jective spacing, such as the Binominia 4x16, which

was launched in September1908.

Top model of the early years : Marinodoce

12x 60 (1910 to approx.1915) In 1910, the range

of binoculars was extended to include models with

higher magnification (10x,12 x and 18x46, later

also 42mm), of which the 10 x and12 x magnifica-

tions were featured in the catalog and recommend-

ed as special binoculars for alpine pursuits and

traveling. The binoculars in this series have an

ergonomic design and are extremely light for their

size, weighing a mere1,000g. The double-walled

eyetubes are telescopic and serve as a lens hood.

For the times, the models have considerably

large fields of view (on average, subjective fields

of 50° to 53°). Due to the small number produced

and the short production time, they are extremely

rare and therefore highly sought-after collector

items. Because of their unusual shape, they are

Wetzlar. The busy

Ernst Leitz Square

in front of the main

building of the Leitz

factory in the fifties.

1907

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