1300mm

6 лет назад

This video reviews the Opteka 650-1300mm telephoto lens, including a 2x teleconverter. The reviewer discusses the lens's size, weight, and focusing capabilities, and provides sample images to demonstrate its performance. They also compare it to other lenses and discuss the pros and cons of using a teleconverter.

4 года назад

This video features a fun flight of a large RC plane, the Bigfoot, on 3S batteries. The pilot showcases the plane's capabilities, including its flap system, maneuverability, and landing performance. They also discuss the plane's setup and provide information on where to purchase it.