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binocular
In biology, binocular vision is a type of vision in which an animal having two eyes capable of facing the same direction to perceive a single three-dimensional image of its surroundings. Neurological researcher Manfred Fahle has stated six specific advantages of having two eyes rather than just one:
It gives a creature a "spare eye" in case one is damaged.
It gives a wider field of view. For example, humans have a maximum horizontal field of view of approximately 190 degrees with two eyes, approximately 120 degrees of which makes up the binocular field of view (seen by both eyes) flanked by two uniocular fields (seen by only one eye) of approximately 40 degrees.
It can give stereopsis in which binocular disparity (or parallax) provided by the two eyes' different positions on the head gives precise depth perception. This also allows a creature to break the camouflage of another creature.
It allows the angles of the eyes' lines of sight, relative to each other (vergence), and those lines relative to a particular object (gaze angle) to be determined from the images in the two eyes. These properties are necessary for the third advantage.
It allows a creature to see more of, or all of, an object behind an obstacle. This advantage was pointed out by Leonardo da Vinci, who noted that a vertical column closer to the eyes than an object at which a creature is looking might block some of the object from the left eye but that part of the object might be visible to the right eye.
It gives binocular summation in which the ability to detect faint objects is enhanced.Other phenomena of binocular vision include utrocular discrimination (the ability to tell which of two eyes has been stimulated by light), eye dominance (the habit of using one eye when aiming something, even if both eyes are open), allelotropia (the averaging of the visual direction of objects viewed by each eye when both eyes are open), binocular fusion or singleness of vision (seeing one object with both eyes despite each eye's having its own image of the object), and binocular rivalry (seeing one eye's image alternating randomly with the other when each eye views images that are so different they cannot be fused).Binocular vision helps with performance skills such as catching, grasping, and locomotion. It also allows humans to walk over and around obstacles at greater speed and with more assurance. Optometrists and/or orthoptists are eyecare professionals who fix binocular vision problems.
Used in excellent condition Bushnell Fusion 1 Mile ARC Laser Rangefinder Binocular for sale. Includes the factory box and all accessories.
$325.00 shipped
Cash, PayPal FF (or +3.5%), or Zelle for payment.
NO TRADES
Used in excellent condition 10x42mm Bushnell Fusion 1 Mile ARC Laser Rangefinding Binocular for sale. Includes the factory box and all accessories.
$450.00 shipped in the U.S.
Cash, check (from established members and held until clear), DISCREET PayPal Friend and Family (or add 3.5%), or Zelle...
German Precision Optics (GPO) 8x50mm Rangeguide 2800 Laser Rangefinder Binocular in excellent condition for sale. Ranges from 8 - 2,800 yards. Includes the factory box and all accessories.
The guys who started this company back in 2017 are former execs from Zeiss and Swarovski. Fantastic glass...
As far as I know, these are discontinued. Had these for a few years, used professionally by my mentor and I. Far from new, but still shows a clear picture, and focus wheel turns freely. It also locks, nice little feat.
I'm looking to get a more compact set of Leupold binos. 10x25mm-32mm. $130...
There is a current thread posted by a forum member regarding binocular recommendations.
I am starting this thread so his will not be cluttered.
I am curious. There have been many suggestions and comments.
To those that have made suggestions.
Is your suggestion based solely on price point...
Selling my Minox BL HD 10x44 binoculars, these are made in Germany and exude quality. The glass has exceptional clarity and the housing is very comfortable, the only reason I am selling them is that most of my hunting is done in dense timber where 10x magnification is overkill so I generally use...
Leupold brand bino case with top flap. Molly webbing on all 4 sides. Patch panel included. 2 leupold velcro patches from Shot Show. Includes strap. Extra strap as well. Also comes with leupold lense cloth. Plastic Leupold binoculars stand included as well. See photos! These are really nice, they...
Lightly used Eberlestock Nosegunner binocular harness/pack. Couple hunts and car trips on this pack but still in excellent shape. Manufacturers specs: https://eberlestock.com/collections/bino-harnesses/products/nosegunner
Price: $60 (Retails for $129)
These have been used for a couple of seasons but taken good care of so very minor wear. From cleaning the lenses of dust with a microfiber towel there are some extremely minor circular scratches that do not affect clarity but thought I’d mention to the buyer These have been a great dual...
WTS: BNVD-SG Night Vision Binocular – Single Gain
Color: Green
Tubes: L3 Contract Tubes - no spec sheet, but 2000 series according to serial, min FOM of 1792 - AUTOGATED
Hours: Approx: 100
Price: $7,700 - No Trades
Location: Bellevue to Renton
Left Image tube
Gain: 0/7870
Right Image Tube...
ATN Binox , with range finder , HD video , single photo , compass . Bought these last October for a hunting trip but they did not arrive before I left so have not been used . Did charge the bino battery and played around with the night vison and menu . did not charge the extra battery pack ...