JINTU USA Brand Quality, 2 Years Warranty, Japan Design , HD LENS Feature JINTU 420-800mm Manual focus Super Telephoto lens, with strong full metal body, Small size 10.6 x 3.5 x 3.5 inch, light weight 700g=1.8LB, easy to carry to anywhere. Ultra high definition image quality .with Japan design, Multi coated low-dispersion glass. The surface of the lens body is oxidized to prevent paint loss and wear resistance. Perfect for the wildlife or nature photographer who wants to be hidden while taking photos of the subject. Best choice for small or distant subjects when large heavy primes are impractical, ranging from birds and wildlife, through sports, to moon and the like 2 Years JINTU Warranty. Lens is universal, just installed extra T mount adapter can fit for Different brand of camera. t2-NX adapter can fit for for Samsung NX-5, NX-10, NX-11, NX-20, NX-30, NX-100, NX-200, NX-210, NX-300, NX-1000, NX-1100, NX-2000, NX-3000 Camera About JINTU We are a professional photography equipment company, start on 2013, USA, Specialize production for camera lens, lens adapter etc in china. Important USE TIP 1. Manual Focus lens. if camera showed "Lens not attach", please set the camera to manual mode and it will work normally. 2. If the image is very dark or very white , please resolve it by manually setting the shutter speed. (you can adjust slowly shutter speed(- if dark) or faster shutter speed( if white) 3. If the picture is blurred, you can adjust focus through the lens focusing ring. (there is a focus ring on lens body) 4. Telephoto lens request must be use a tripod and remote shutter to make image stable Introduction: This JINTU High Definition 800mm preset telephoto lens is and incorporates not only computer optical design, but also the latest optical multi-coating techniques. The process of multi-coating assuresvirtually flare free photographs even under adverse lighting conditions resulting in crisp, high contrast pictures. Specifications:Zoom Type: Push/Pull (Two-touch)Focus Mode: Manual FocusMinimum Focus Distance: 5.25' (1.6 m)Aperture: f/8.3-16Filter Size: 62mmLength: 8.75" (11.85" at full zoom)Weight: 18.3 oz (520 g)Camera Mount: For different brand of camera Package contents 1x JINTU 420-800mm f/8.3-16 Telephoto Lens 1x Front Cap 1x Rear Cap 1x Lens Bag 1x T2 Adapter Ring 1x Leather carry bag case