Vivitar 420-800mm f/8.3 Manual Telephoto Zoom Lens + 2x Converter for Canon EF-M

Complete telephoto digiscoping bundle featuring the Vivitar 420-800mm f/8.3 Manual Focus Telephoto Zoom Lens (also listed as 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens). This kit is configured for Canon EF-M mount use and includes the necessary adapter and accessories to extend your reach and keep optics clean. Lens handling and exposure tips: Fine-tune the front focusing ring to nail focus and then take a test shot. If the image is underexposed, try these adjustments: 1. Lower the shutter speed, from 1/500s down to 1/100s or slower 1/50 etc; 2. Raise the ISO Number, from ISO 100 to ISO 200/400/800 etc; 3. Use a remote shutter release and tripod to increase image stability; 4. Switch position to allow more environmental light coming through the lens into the camera. Vivitar 2x Professional Teleconverter: This teleconverter multiplies the focal length of your T-mount lens by 2 x, extending your camera's reach so you can get much closer to distant subjects. It is suitable for connecting your camera to a telescope for direct prime focus photography—conveniently and easily designed for Canon EOS M camera digiscoping. What's included in the bundle: Vivitar 420-800mm f/8.3 Manual Focus Telephoto Zoom Lens, Vivitar T-Mount to Canon EF-M Mount Adapter, Digital 2X Converter for SLR & Digital Lenses, 12-Inch Ultra Flexible Super Steady Tripod with Ballhead, and a Professional Cleaning Kit.