Farmers and fencing contractors who build fences for a living will tell you that you can't find a better post driver than a Shaver. Shaver's professional-grade post drivers are engineered for the most demanding jobs, from tough soil conditions to tricky side hills to having the ability to drive a wide variety of post types. In fact, you won't find another company that has spent more time engineering the best post driver in the industry. How do we know?
High-Definition Progessive Lenses enlarge the effective area of optimal acuity. HD Lenses will increase your field of vision by up to 30% compared to conventional progressive lenses. HD Lenses achieve never before possible clarity, even if gazing upward, downward, or side to side. Lens distortion is also reduced by up to 20% o.
In general, fixed focal length (or prime) lenses are less susceptible to lens flare than zoom lenses. Other than having an inadequate lens hood at all focal lengths, more complicated zoom lenses often have to contain more lens elements. Zoom lenses therefore have more internal surfaces from which light can reflect.