It is very suitable for a wider range of long-distance trips, suitable for camping, hiking, concerts, bird watching, hunting, Travel, golf, sporting events, and other outdoor activities. Product Name: Caliber (mm): 90 Focal length (mm): 1000 Focus ratio: 11.1 Resolution: 1.29 Limit magnitude: 11.7 Gathering power: 165x Tripod: Desktop tripod Gross weight (kg): 2.2KG What you get: ×1 Tripod×1 Backpack×1 Moon filter×1 They can withstand the harshest weather without internal fogging of the lenses, which also means that it can be cleaned at will or accidentally entered the water.