PROSTAFF 5 82 Fieldscope Requires Eyepiece Teleconverters Minimum Aperture f/ 22

Minimum Aperture f/ 22

Fixed f/4 aperture

0x defies traditional limitations

white balance and more

The shallow depth of field of f/2 is enhanced by the lens' 9 rounded blade diaphragm

PROSTAFF 5 82 Fieldscope Requires Eyepiece Teleconverters Minimum Aperture f/ 2282mm Objective Lens: An ideal balance of size and brightness. Multicoated Optics: Provides a bright, high contrast image with true color rendition. Ergonomic, Lightweight Porro Prism Design. Internal Surface Texturing: Minimizes reflective light loss inside scope. Built in Sliding Sunshade: Eliminates glare in bright conditions, keeps dust and rain off objective lens in rainy or dusty conditions. Waterproof Fogproof: Nitrogen purged and O ring sealed.