CANON 8x25 IS Image Stabilizer Binoculars
- Optical image stabilization system
- Multicoated for contrast, clarity, and color fidelity
- Doublet field flattener lens
- Rounded design for holding comfort
Whether you are sitting in the nosebleed seats of a stadium or an opera house, with Canon's 8 x 25 IS binoculars you'll get an outstanding close-up view of the action. The binoculars are designed to fit perfectly in your hands and have a rubber coating for nonslip grip and protection from damage. The focus dial is center-mounted and the image stabilizer controls are easily accessible from either hand. Canon's optical image stabilization technology eliminates shake and reduces curvature of field. The image stabilizer operates with a CR123A Lithium battery. The lenses are coated with Super Spectra multicoating that improves image quality by maximizing contrast and minimizing color smear.
Image Stabilization and More
With any high magnification binoculars, most users will experience frustrating image shake. Unless fixed to a tripod, image shake can render high magnification binoculars useless. Canon's IS technology is remarkably effective at eliminating this problem and is widely used by the television industry with Canon's professional broadcast quality video recording equipment. A special VAP (Vari-Angle Prism) corrective IS system sits between the objective lens group and the porro prism on each side of the binoculars. Within thousandths of a second of the binoculars being moved from their optical axis by vibrations, a detection system activates the IS mechanism. The VAP shape alters to refract or 'bend' the light path by precisely the right amount, thus fully compensating for the vibration. It is this essentially immediate response that effectively suppresses image shake.
Super Spectra Coating
A number of optical factors affect the brightness of an image, including the amount of incidental light that is reflected by the lens. An uncoated lens will refelect away as much as 8% of the incidentail light, significantly dimming the image. Canon's Super Spectra Coating prevents that reflection.
What do the numbers mean
15x50 8x25 The two numbers used to describe any pair of binoculars are their magnification 8x, 12x, 15x and so on and the diameter of their objective lenses 25mm, 36mm, 50mm, and so on. The larger the first number is, the larger the object will appear to be in the objective lens. For instance, if you use a 10x lens and look at an object that is 100 yards...
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