Classic Porro Binoculars

7x35 8x40 10x50 Ultra-wide Angle Binoculars

7x35 8x40 10x50 Ultra-wide Angle Binoculars

Model：BM1118
Obj.lensr :40mm
Field Angle :9.5°
Weight :845 g
Product description: Large antireflection fully coated objectives draw in copious amounts of light to ensure images are bright and clear with accurate color and improved contrast.
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Key Features

● BAK4 Porro Prism Optical

● Fully Multi-Coated Optics

● Wide 76° Apparent Angle of View

● Slip-Resistant Rubber Armoring

● Twist-Up Rubber Eyecups

● Tripod Adaptable with Optional Adapter

● Impact resistant aluminum alloy mirror body

Overview

The 10x50 HD Ultra-wide Angle Binoculars feature an ultrawide 76° apparent angle of view to produce a panoramic view from dawn to dusk. Large antireflection fully coated objectives draw in copious amounts of light to ensure images are bright and clear with accurate color and improved contrast. Utilizing traditional Porro prisms enhances the experience by presenting a rich depth of field that gives the view a true 3-D appearance. Whether you're on the trail, at the range, or birding, the 10x50 binoculars are sure to become your constant companion on all your outdoor adventures.

Optical Performance

● High 10x magnification to make detailed observations of distant subjects
● Large 50mm objectives boost light-gathering capabilities for better views in difficult and low-light conditions
● BAK4 Porro prism light path produces a rich depth of field to more easily discern the relative distances between two objects in the field of view
● Antireflection fully coated optics ensure images are bright and clear with improved contrast and accurate color representation
● Ultrawide 76° apparent angle of view helps to minimize the distracting hand shake common with high-power optics while providing a spacious panoramic view
● 399' field of view at 1000 yards (10x50mm)

Use and Handling

● Large slip-resistant center focusing wheel is easy to manipulate, even when wearing gloves
● Right-eye dioptric correction enables users to compensate for individual optical prescription
● Fold-down rubber eyecups for comfortable use with or without eyewear
● Tripod mountable with optional adapters enables hands-free use with limited vibration or arm fatigue
● 5.0mm exit pupil will completely cover pupils as they open in low light (10x50mm)
● 18.0mm eye relief (10x50mm)

Construction Details

● Impact resistant aluminum alloy mirror body
● Protective rubber armoring with dimpled palm-pad accents provide a secure and slip-resistant grip
● Includes carrying case and neck strap
● Large textured center focus wheel
● Weight: 33.33 ounces

Specifications Performance

Specification	7x35mm	8x40mm	10x50mm
Magnification	7x	8x	10x
Objective Lens Diameter	35 mm	40 mm	50mm
Angle of View	10.0°	9.5°	7.6°
Field of View	175 m @ 1000 m	166 m @ 1000 m	133 m @ 1000 m
Field of View	525 ft @1000 yd	498ft @1000 yd	399ft @1000 yd
Minimum Focus Distance	16.40 ft / 5 m	16.40 ft / 5 m	32.80 ft / 10 m
Exit Pupil	5.0 mm	5.0 mm	5.0 mm
Eye Relief	18.0 mm	18.0 mm	18.0 mm
Dusk Index	15.65	17.88	22.36
Relative Brightness	25	25	25
Diopter Adjustment	Yes / ±4	Yes / ±4	Yes / ±4
Focus Type	Center	Center	Center
Prism Type	Porro（Bak4）	Porro（Bak4）	Porro（Bak4）
Lens Coating	Fully Multi	Fully Multi	Fully Multi
Eyecups	Twist-Up	Twist-Up	Twist-Up
Weight	630 g / 22.22 oz	825 g / 29.10 oz	945 g / 33.33 oz
Size	170x40x130 mm	187x60x136 mm	195X61X164 mm