The fully multiple coatings increase light transmission and protect the 85mm objective lens from oil, scratches and dirt. The adjustable eyecup can be twisted up and down and sunshade reduces glare and shields the objective lens from raindrops and snow.
The SA405 ED spotting scope is designed for birders. Professional-grade ED optical system delivers exceptional resolution, reduces chromatic aberration and provides outstanding color fidelity, edge-to-edge sharpness and light transmission. Variable 20-60x zoom magnification and field of view 102-48ft/1000yds allow you to gain a wide field of view at a lower power and zoom in detail at a higher power.
The 85mm fully multi-coated objective lens ensures high transmittance for a brighter and clearer aperture, and providing clear, detailed and high contrast images and offering easeful observation experience in low light conditions, even for some astronomical observations. Nitrogen Filled & O-ring Sealed. O-ring sealing and nitrogen filling provide waterproof and anti-fog performance and effectively preventing moisture from entering the spotting scope. Due to that, the SA405 can stand with harsh conditional environments and lives a long service life. The eyepiece is replaceable, and the interface diameter is standard 1.25inch, making the spotting scope owns a universal usage. You can replace the original eyepiece with an 1.25inch astronomical eyepiece or a spotting scope WIFI camera, to meet the needs of visual observation and photography. Helical Focus Wheel & Streamlined Body.