Classic Porro Binoculars

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Model ：BM1101
Magnification :10x
Objective Lens：50 mm
Field Angle : 5.6°
Product description: The 10x50 Wide-Angle Binoculars feature an ultrawide 70° apparent angle of view to produce a panoramic view from dawn to dusk. 测试修改测试修改测试修改测试修改测试修改测试修改
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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

● BK7 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 70° apparent angle of view helps to minimize the distracting hand shake common with high-power optics while providing a spacious panoramic view

● 297' field of view at 1000 yards (10x50mm)

Specifications

Specification	8x40mm	7x50mm	10x50mm	20x50mm
Magnification	8x	7x	10x	20x
Objective Lens Diameter	40 mm	50mm	50 mm	50mm
Angle of View	8.5°	7.2°	5.6°	3.3°
Field of View	149 m @ 1000 m	123 m @ 1000 m	99 m @ 1000 m	58 m @ 1000 m
Field of View	447ft @1000 yd	369ft @1000 yd	297ft @1000 yd	174ft @1000 yd
Minimum Focus Distance	16.40 ft / 5 m	16.40 ft / 5 m	16.40 ft / 5 m	29.52 ft / 9 m
Exit Pupil	5.0 mm	7.1 mm	5.0 mm	2.5 mm
Eye Relief	12.0 mm	12.05 mm	12.0 mm	8.0 mm
Diopter Adjustment	Yes / ±4	Yes / ±4	Yes / ±4	Yes / ±4
Focus Type	Center	Center	Center	Center
Prism Type	Porro (BK7)	Porro (BK7)	Porro (BK7)	Porro (BK7)
Lens Coating	Fully Multi	Fully Multi	Fully Multi	Fully Multi
Eyecups	Fold-Down	Fold-Down	Fold-Down	Fold-Down
Weight	680 g / 23.98 oz	760 g / 26.80 oz	760 g / 26.80 oz	760 g / 26.80 oz
Size	185X58X143 mm	190X62X168 mm	190X62X168 mm	190X62X168 mm