Features: Close Focusing: Observation range: Near landscape can see both far and near, suitable for bird watching, hunting, hiking, camping, sightseeing, etc Stretchable Design: Freely stretchable design, fun and interesting, so many telescope lovers canot put it down, small, light and portable Blue Film: It can ensure high light-transmittance and low reflectivity to increase light-transmittance and ensure a clear and bright field of view BQK4 Lens: BAK4 lens, exit-pupil is a round light spots, the light-transmittance is very high, clear and bright All-Metal Frame: All-metal frame, durable, fashionable and beautiful Specifications: Material: BK4+Metal Size: As picture shows Type: Standard/Full Set Magnification: 10-30x25/10-300x40 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Monocular Telescope