Kowa TSN-774 gerade XD

77mm XD (ED) lens. Low chromatic aberration (color blur). Lightweight, robust housing made of magnesium alloy. Dual fast/fine focus. Digiscoping capable with built-in accessory ring. Selection of compatible accessories to expand the system. Please note that an eyepiece is required to use the spotting scope. Kowa 77mm spotting scope with XD objective lens. Superior performance in a compact housing. The performance and compactness of these scopes are unmatched in this class. The housing is waterproof according to JIS protection class 7 and filled with dry nitrogen gas to prevent internal fogging. The PROMINAR models TSN-773/774 use an XD objective lens with low dispersion properties to minimize chromatic aberration. It is equipped with the established Kowa dual-focus system. The fast focus with a large, highly responsive knob focuses in two turns from infinity to five meters. The smaller, extremely sensitive fine focus knob ensures an extremely precise focus adjustment even at high magnifications. This feature is also crucial for digiscoping. By combining an XD lens (eXtra-Low-Dispersion lens) with a concave lens with special dispersion properties, chromatic aberration is significantly reduced.