The Swarovski ATX/STX 85 mm Modular Objective can be combined with the ATX, STX, or BTX Modular Eyepiece. SWAROVISION Technology Field-Flattener Lens: Contrast right up to the image periphery, spot greater detail at the outer edge of the image HD Lenses: Maximum Contrast, provides more life-like high contrast images Extra Eye Relief: Large field of view for eyeglass wearers. Optimized coatings: SWARODUR, SWAROTOP, SWAROCLEAN Optical Perfection-Combines a large field of view with a large zooming range (25-60x & 30-70x) Ergonomics: One-handed operation: focusing and zooming ring are located next to each other which enables quick locating and zooming Large focusing wheel allows for easy and rapid focusing Ingenious System-The objective section separates from the eyepiece section, is easy to transport and enables easy storage when separated.Solutions for Photography And Digiscoping DCB II - For use with point and shoot and pancake lenses cameras Compatible with the eyepieces of the ATS/STS & ATM/STM (adapter sleeve and a locking ring needed) TLS APO - Developed as a complete system with the ATX/STX Connect D-SLR or mirrorless cameras Compatible with ATS/STS and ATM/STM (adapter sleeve and locking ring needed)