Functions:

1.50mm FMC(fully multi-coated) green film lens and clear prism, works well at night or in weak light conditions,delivers higher light transmittance and sharp, high-contrast views.

2. Bak-4 prism makes bright, clear & sharp viewing experience.

3. High temperature resistance (works well under -40℃~+50℃ harsh environments.)

4. Made of non-slip rubber armor and leather,100% waterproof structure, smooth central focus knob, all metal structure makes it rather durable.

Easy to focus:

1.Fold the binoculars and adjust the pivot (central hinge) until it matches the distance between your eyes.

2.Pick an object, turn the control lever on left/right eyepiece until the image is sharp.

3.Look through the binoculars with both eyes,all you need to do is to adjust the central focus wheel to get a sharp image at different distances.

Specifications:

Magnification: 20X

Objective Lens Diameter: 50mm

Eyepiece Diameter: 28mm

Field Of Vision: 56M/1000M

Prism: BAK4

Optical Coating: FMC Film Lens (Bright & Clear Image)

Material:Body Of Binoculars(Metal)+Eco Moisture-Proof Rubber Armor