⭕ All of the optics are perfect. This unit has a 250mm objective, inclinable binoculars, 10x eyepieces extra high relief, fine focus mechanism in this model moves the entire body up and down rather than just the lens as in newer model, maneuvering handles, 5 step magnification changer 3x. 5x,10x, and 16x 19x magnification. The 1 setting on the G3,G4 and G4 are all the same magnification. LED light. This unit is offered on a Ceiling mount. Clean cosmetic shape. Unit is less than 2 years old. Shipping or collection and included is 30 days right of return if not as described or not happy with the purchase. You will not be disappointed.