FIDDLERZ Binocular 8x40mm Powerful Prism Binocular Durbeen Telescope for Long Distance with Bag-Black Binoculars  (40 mm , Black)

Extra-wide field of view Classic design with comfortable grip Endurable metal prism housing & focusing mechanism Sharp & crispy image How to use the binocular : 1. Close your right eye and sight an object with your left eye.Focus the binocular by rotating the center focus wheel until the image is sharp and clear. 2. Open your right eye and close your left eye.Rotating the right eyepiece until the object sighted is sharp and clear(Note the setting of diopter scale for later use.) 3. Both sides(eyes) are now in focus and you will need to use only the center focus wheel to focus on the other objects. 4. Rubber fold-down eye cups: Fold down for use with eyeglasses and fold up for use without eyeglasses.They provide comfort and promote viewing ease.