• 【Bright and Clear Vision】PENTAX PF-85EDA adopts ED (Ultra Low Dispersion) glass optical elements, effectively minimizes chromatic aberration, and greatly reduces reflectivity through the latest multi-layer coating process • 【Full Multi-Coating】This spotting scope provides a clear, high contrast field of view for high quality observation with a combination of a full multi-coating process applied to all optical elements and a phase coating process applied to roof prisms • (Compact Body for Excellent Portability) Despite the large objective lens with a diameter of 3.3 inches (85 mm), this spotting scope is designed to be compact and easy to carry • 【Compatible with Various Eyepieces】The eyepiece mount has a 31.7mm (1.25") sleeve that can be used with various eyepieces, such as the XF series specifically designed for PENTAX spotting scopes and XW series ideal for astronomical observations • 【Tilted Barrel Design】The eyepiece section is angled upwards at a 45 degree angle, so you can easily adjust the eye height to observe the subject while standing or sitting in a natural relaxed posture