These Viking Merlin binoculars are a great entry-level option for those interested in ED lenses. Preventing colour loss for a sharper image, they are ideal for birdwatching, as well as a whole host of other hobbies. Whats more, they also have a rubber armoured body for added durability.. High-quality lenses. Viking Merlin binoculars are made with special Extra-low Dispersion (ED) lenses, which maximises the amount of light which reaches the users eye. This ensures that colours are vivid and lifelike. The binoculars also feature dielectric coated, phase-coated BAK 4 prisms for a clear, sharp image. With a wide field of view, these binoculars are ideal for birders tracking moving birds.. Durable build. As well as providing a high-quality image, the Viking Merlin binoculars are also particularly durable. With a rubber-armoured body, they are protected against any bumps or scrapes while in transit. The lenses are nitrogen-filled to prevent fogging, so they can be used in all weathers. Th