Fluorite triplet TakahashiTokyo, Japan The ​​FCT-65D is a low-dispersion Fluorite Triplet refractor. It has a 400mm focal length and a f/6.2 focal ratio, and a high Strehl ratio of .98. It also comes ...

If you’re looking for some high-end cinema lenses that range from wide-angle to medium telephoto focal lengths and aim to get ...

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...

The iPhone 15 Pro is available at the lowest possible price right now. Vijay Sales is currently selling this device with more ...

Amateur astronomers and beginners will find the Dwarf 3 Smart Telescope useful for capturing shots of the night sky with the ...

InfraTec is specialized in developing such systems with various featured models to meet these new challenges. The ImageIR ...

Building a stackable retaining wall may seem like a project for a professional, but it's actually something you can do ...