The PFM stands for Perfect Fully Multi-coating that minimize the loss of light transmission resulting in bright and sharp images.
The eyepiece has eye relief of 15mm or longer. It reduces e;yestrain during long observing sessions and offers eyeglass wearers comfortable viewing.
The product is designed to prevent moisture or water from entering the binoculars or spotting scope. These products are suitable for use outdoors.
The optics are designed in a straight line which results in compact binocular.
Tripod adaptable with an optional stay on case(item #62501)
The rugged rubber coated body makes these binoculars a great travel companion.