Prostaff 5 Fieldscope 82 series of Nikon spotting scopes is also completely new and a successor of the Fieldscope RAIII 82 series. They are much lighter that the spotting scopes of RAIII series and because of new oculars that offer low distortion of light and they are also optically much better. This new series have special multilayer lens coatings to assure much brighter, high resolution and quality image. They are sealed with O-rings for water-resistant properties as well filled with dry nitrogen to enable the carefree use even at most extreme low temperatures. Therefore the fear of inner dewing occurs at winter low temperature is unnecessary. They have the objective sliding shutter and possibility of mounting tripod on the main housing. At this series the Nikon is offering quite a wide range of oculars as well as equipment for digiscoping. Because of the large diameter of entry lens, they are also suitable for dusk or low light condition usage.