Ophthalmic operating microscope is designed to provide high contrast and detailed imaging of all regions of the human eye. An apochromatic lens will provide high light transmission, permitting ...

Skygazers have been waiting for over a year to see a recurrent nova that creates a temporary, super-bright star every 80 ...

All in all, the 12x28 WP is well into the category of being low priced, compact and light in weight for an image-stabilised binocular. It is nitrogen gas-filled, waterproof and immersible to a depth ...

Many of us who have dedicated chart plotters on our boats or multifunction displays (MFDs), also have charting and routing apps on out phones and tablets that we can take home with us and use ashore.