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$97.77
- 8x magnification
- 30 mm objective lens
- Folding roof prism design
- Fully coated optics
- 1.3 megapixel resolution
- 16 MB of built-in memory
- SD card port allows added memory storage
- Up to 90 seconds of video (expandable)
- Automatic exposure
Binoculars are referred to by 2 numbers separated by an "x." The first number is the power (magnification). The second number is the diameter (in millimeters) of the objective (front) lens. The larger the objective lens, the more light that enters the binocular, making the image appear clearer and brighter.
Learn More: Porro Prism vs. Roof Prism
In porro-prism binoculars, the front lens is offset from the eyepiece, giving you a greater sense of depth and a wider field of view. In roof prism binoculars, the front lenses are in line with the eyepieces; this allows the binocular to have a smaller, more compact size.