Big Eyes Multi High Power Long Range Binoculars

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Big Eye binoculars on stand image

use the term Big Eyes as it was applied to the U.S. Navy shipboard high powered, long range, binoculars of World War
II. There is an unrelated company who has adopted          Big Eyes as
their company name.

Presented  is a wonderful high powered, long range, Big Eyes binocular set
that is in impeccable condition with no visible signs of wear or use. The design is that of the Chinese Military Binoculars,
except we were told that this one has Russian optics. Whether or not that is true, everything works flawlessly in our
simple tests. The images show sharp and bright and there are no visible imperfections in the optical system when looking backwards
through the objective lens, or normally through the ocular lens. The twin turrets have two eye pieces, the smaller one is
40mm, and the larger is 25mm. Because of the high power, the sighted object must be more than 50 yards distant to be brought
into sharp focus.

The binocular’s barrel is covered in traditional pebble-grain black, and its
1950’s era high quality wood tripod gives it the look of a military antique. 
 Before the
Chinese entered this arena, binoculars of this design and specifications

FRont lenses of Big Eye binoculars image
Showing both objective lenses of 4

The two rotating ocular turrets allow wide-angle viewing at 25x, and high-power viewing
at 40x.  The apparent field of view, depending on the power selected, ranges from 52° to 62° which is very
wide. It is a Giant having a viewing element over two feet in length and it weighs a hefty 26 1/2 lbs!
For decades, only Carl Zeiss designed binoculars of this type were y available to the East German and Chinese militaries
or in the after-market at much higher prices. 
When you see the quality of construction,
and the quality of the optics, you’ll understand why, in the past, it could sell for such a high price. Comes complete
with a sturdy wood tripod, metal tabletop tripod, and lightweight nylon form-fitted case. 

This is the ultimate optical
instrument for terrestrial observation. If you’ve got a home with a view, enjoy it to the utmost with this magnificent

Open carrying case image

CONDITION:  There is no evidence of
prior use or wear so that it can be considered as almost new
in all respects, except that it
 has no paperwork or operator’s  manual .There are no markings except for its
Serial Number 150XXX, and the power and size of the objective lenses. 

Roatating azimuth circle image

PROVENANCE:   Obtained
at auction in the normal course of business without provenance.

This binocular is in such excellent
condition that it can be considered, “as new”. It is suitable for someone wanting a quality Giant size
terrestrial telescope at an affordable price.





Model 25/40 x100 standard
Objective size 100 mm or 4″
Magnification 25x and 40x
Ocular Straight-through turrets
Focus system Individual
Prism Porro / BAK4
Coating Multi-coated
Focal length 597 mm
Field of view at 1000m 25x- 44 m

40x- 26 m

Angle of View 25x- 2.5º

40x- 1.5º

Exit Pupil distance 25x- 14 mm

40x- 8.2 mm

Exit pupil diameter 25x- 4 mm

40x- 2.5 mm

Inter-pupil distance 58-80 mm
Minimum focus distance 25 m
Packing Nylon case – 28″ L x 14″ W x 11″ D
Erected weight 26.5 pounds
Tripod net weight 16.5 pounds
Close-up one of the two turrets witha 25 & 40mm lens image
Right isde of housing image
of the two lens turret shown over the right side view of the Big Eye     

This is a fine example of a previously owned Big Eye long distance telescope in fine
condition. It is being sold at a very low price which cannot be duplicated.

 This fine Quality instrument rates  FIVE STARS  



  • 1 25/40/100 Twin Turret Chinese Military Style Big Eye Binocular 
  • 1  I High Quality Tripod 
  • 1 Metal tabletop tripod
  • 1 Nylon carrying case
  • 1 soft lens cloth 
  • 1 Nylon instrument cover 



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Shipping & Packaging

The cost of shipping, packing, handling, and insurance to your destination, will be calculated point to point and is an additional charge. You may email us to get these costs. We price our shipping honestly, but we expect to be reimbursed for the nominal cost of packaging materials and handling.

Our Unconditional 'No Nonsense' Guarantee

If not completely satisfied with your purchase it may be returned, if without damage, within three days of receipt in its original packaging. Return items must be insured for their full value. Only a prior email authorization by us for the return is required. Shipping charges are refundable if due to our error within the continental United States.

International buyers welcome, but inquire first. We have satisfied customers worldwide.

Standard Forms of Payment

Bank wire transfer, cashier’s check, money order, or personal check in which case the item will be held until cleared. Our prices are quoted net to us so that the use of credit cards or PayPal incur extra charges. Terms on overseas sales are different.

Established in 2003

Celebrating 18 Years of Exellence in Nautical Antiques

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