The big day’s here: Your first telescope has arrived. You’ve done your research and decided on an 8-inch Dobsonian-mounted reflector, or perhaps a 4-inch refractor, or another model that had a great ...

No other telescope design offers the combination of features and portability as a Schmidt-Cassegrain telescope (SCT). You may not consider it the best for any one application, but it does everything ...

In analogy with the electromagnetic case, the main actors necessary for the appearance of both enhanced transmission and collimation in acoustics are the acoustic surface waves (ASWs). There are many ...

Collimating lenses are used to convert divergent light beams into parallel beams. Collimating lenses are designed for various applications covering from the UV to visible to long wave infrared range.

Laser lenses are the optical lenses that are used in laser-based devices for a variety of laser applications such as but not limited to laser illumination, laser collimator, laser scanning, laser ...