The Zeiss Batis 135mm f/2.8 for Sony E is a high-quality mid-length telephoto prime designed specifically for full-frame E-mount cameras like the Sony Alpha a7R II, a7S II, a7II, and a7s. Key features include:
Integrated OLED for focal length and depth of field
Fast, nearly silent autofocus with full-time manual focus
Optical image stabilization
Advanced optical design
Mid-Length Telephoto Prime. Designed with the full-frame Sony E-mount cameras in mind, the Batis 135mm f/2.8 is an ideal portrait-length lens. Its fast f/2.8 aperture means you can use it in low light. You can also use it on APS-C models, on which it’ll give you a 202.5mm equivalent focal length.
OLED Display. While many lenses use focus-distance and depth-of-field scales, the Batis lenses forego this for an OLED display on top of the lens barrel. It functions exactly like the traditional methods, but provides the enhanced ability to see these parameters in low lighting.
Autofocus. While the Loxia line gives you great manual-focus/aperture lenses, the Batis line provides you with autofocus capability along with full-time manual focusing. Its linear autofocus motors offer fast, nearly silent performance.
Optical Image Stabilization. The built-in optical image stabilization helps to eliminate the appearance of camera shake in your hand-held footage.
Advanced Optics. The Distagon’s eleven-group/thirteen-element apochromatic Sonnar optical formula helps to reduce aberrations and color fringing, and to improve sharpness and clarity. Carl Zeiss T* anti-reflective coating eliminates lens flare and ghosting while providing the famous high micro-contrast Zeiss look, even in bright outdoor lighting.
High-Quality Build. Like other Zeiss offerings, the Batis line features great build quality. Cosmetically, they look quite similar to the Touits, with their metal construction and rubberized focus rings. However, the Batis lenses can boast dust- and weather-sealed construction for peace of mind in inclement shooting conditions.