The instrument is the Prime Focus Spectrograph, and it is one of the flagship instruments in the next era of the Subaru ...

Telescope Type: There are three main types of telescopes – refractors, reflectors, and compound (catadioptric) models. Refractors use lenses and are known for their sharp images and low ...

Catadioptric, or compound, telescopes incorporate a primary mirror coupled with a corrector lens placed at the front of the tube. The primary mirror's curve is ground to a simple shape ...

Gaze deeper into the night sky with the best deep space telescopes, perfect for stunning views of the Beehive Cluster, the Orion Nebula and other cosmic wonders. Are you looking for a telescope to ...

The instrument, called the Prime Focus Spectrograph (PFS), features approximately 2,400 prisms scattered across the extremely wide field of view available at the Subaru Telescope’s primary focus, ...

Researchers have finished equipping the Subaru Telescope with a new special “compound eye,” culminating several years of effort. This new eye is an instrument featuring approximately 2,400 prisms ...