If you are working in the forestry industry, then this Nikon Forestry Pro Laser Rangefinder is right equipment to have. This rangefinder gives a working range of 10 to 500 m with its class 1M laser type. The 21mm objective lens of this laser has a 6× magnification and 36° angle of view. Its roof prism design has an anti-reflection coating. You may measure the range by using either first-target or distance-target mode. The readings are shown in both viewfinder and the external LCD screen. This rangefinder automatically shuts down if it is kept idle for 30 seconds. You may also use this rangefinder underwater up to 3.3 feet.