A good birdwatching telescope rewards you with excellent image brilliance and colour fidelity!
With a watertight lens, a clean and dry gas filling in the form of an argon or nitrogen filling creates an "internal climate" that prevents fogging.
The different types of DDoptics binoculars Binoculars can be divided into two main types according to their basic construction: Construction with roof prism (different types of construction) or with Porro prism. Both designs have their unique advantages and disadvantages. In principle, Porro and roof prism binoculars can offer the same performance depending on the type of glass (BAK 4, crown glass, etc.), the amount of coating required and the manufacturing quality. The details determine whether it [...]
For spectacle wearers, all DDoptics binoculars are equipped with retractable eyecups. This makes observation easier and enlarges the field of vision.
The retina of our eyes has two different types of sensory cells or receptors, the cones (for day vision) and the rods (for night vision).
