8x28 10x28 10x40

Key Features:
● BK7  Porro Prisms
● Fully Multi-Coated Optics
● Apparent Angle of View: 58°
● Close Focus Distance: 0.5m
● Slip-Resistant Armoring
● Twist-Up Rubber Eyecup
● Carrying Case & Wrist Strap
Overview ：
With powerful magnification, multi-coated glass, and a housing designed to withstand the elements, the 8x25 Monocular from  is suited to birding, hiking, hunting, travel, sightseeing, concerts, sports, theater – anywhere you want a good look at distant details.Its 8x magnification delivers a steady image, and the close-focus distance of just 16.4 makes the  a versatile optic, able to observe objects nearby as well as far away. Its rubber-armored housing is O-ring sealed to keep out water and dust, and purged with nitrogen to prevent internal fogging no matter the conditions. Diamond knurling on the exterior provides a pleasant and secure grip, and the twist-up eyecup and 17.5mm eye relief make the monocular comfortable to use for people who wear eyeglasses.  And at 107x47mm and less than 180g it's easy to pack in a pocket, purse, bag, or glove box. 
Optical Performance:
● BK7 Porro prisms
● Fully multi-coated Lenses
● 28mm objective lenses perform well even in low light
● Apparent angle of view: 52°
● Close focus: 5m
Use and Handling ：
● Close focus distance: 5m
● Prominent zoom ring knob
● Twist-Up rubber eyecups for easy use with or without eyewear
● 17.5 mm eye relief
● 3.5 mm exit pupil
Construction Details ：
● Compact design is pocketable and offers easy one-handed use.
● Soft pouch included for convenience
● Diamond-textured palm pads provide additional slip-resistance while adding an elegant and sleek look
● Lightweight design, weighs just over 180 g
● Includes case and neck strap
Performance ：