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SKU: 505


This type was made at Ross London in 1938 it’s probably the largest hand held military binoculars ever made.
This is the second rare Captain's Binoculars from Ross I have found.
This one is still complete with its characteristic chest, partly covered with green velvet and made of mahogany.
The binoculars have been nicely preserved with the original yellow Admiralty arrows on both tubes.
They were only given to larger naval ships such as Cruisers and Battleships, the circulation was very
limited, only a few hundred were made.
The optical performance is excellent, it is a Porro II construction with coated lenses and extendable sun shields.

The binoculars have recently been fully serviced and cleaned.
The optical quality is excellent, the view is exceptionally bright with a wide panoramic view.
The prism housing contains a filter carousel with Russian yellow, dark neutral, light neutral
and clear adjustable with a knob on the front of the housing.
There is also a sealed air connector on the front of each housing for a seal test or for purifying dry air.
Both oculars with clicker gear, adjustable without visual control.
These binoculars were often placed in a fixed position.
This binoculars has neck strap lugs, so that they can also be used by hand.
A beautiful and rare historical binoculars in original finish with provenance.
The binoculars come from the Australian cruiser HMAS Australia, the only major Australian battleship
cruiser to survive the war.
Last year I found the other remaining 10 x 70 binoculars.
This viewer has the R.A.N number 2872, last year's R.A.N 2873.
These 10 x 70 Ross binoculars are made in London. Engraved on the left cover plate the year 1938.
This binocular model Ross 10x70 binoculars was often used by the Admirals of His Majesties Fleet.
Andrew Ross 1798-1859 founded his company in 1830 and started producing camera lenses.
The company grew and began to work closely with Zeiss around 1890.
Zeiss and Goetz lenses were manufactured and sold under license by Ross in the United Kingdom.
At the outbreak of the war, the British government put Ross in charge of the newly opened
Carl Zeiss binoculars and optical factory in Mill Hill, London.
Ross London produced exceptional binoculars and telescopes.
By the 1940s, Ross had perfected their large marine binoculars, aided by their partnership with Carl Zeiss.
General information built-in filters:
Neutral shades of gray can be used in good weather, clear weather conditions and sun.
Light orange or yellow can increase contrast in low light, snow and fog.
The browpad:
The browpad is made of soft material for long and comfortable observation, it also ensures that no sun or light enters the eyepiece lenses.
There are four anti-condensation holes in the brow pad that ensure that the ocular lenses do not fog up.
Patt. AC 2012
Magnification factor x 10
Oculars with clicker gear
Length 40 cm (15,7 inches)
Objective diameter 70 millimeters
Eyepiece diameter 10 millimeters
Porro prism 2 design
Two air connectors
Built-in filters; Clear, Russian yellow, dark neutral, light neutral
Each eye can be set individually
Aluminum body
Exit pupil 7 mm
Field of view 5¼ º = 92m / 1000m
Serial nr. 114391
Australian Royal Navy- R.A.N. 2872
Cruiser-HMAS Australia
Included original box & soft rubber brow pad



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