40x60 Dual Focus Monocular TelescopeThis is a perfect product for you in the following ways: It is waterproof, moisture proof, dust proof, and fog proof, ensuring the product can be used on damp and rainy days. The scope comes with both forward and rear lens caps to prevent dust and dirt on lens. This is an all optical FMC Multi Layer Broadband Green Film Coated scope with Bak 4 Prisms. High Light Transmittance Reaches Up To 99. 5% The 40x60 Dual Focus Monocular Telescope has super