In this article Matt Harmston shows that, in theory, establishing ideal backfocus is straightforward: Insert spacers and accessories between the two surfaces such that their collective thicknesses match the manufacturer specified back-focus distance. However, as he details, in practice the fine-tuning of back-focus distance is a precision exercise. A few […]
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TTS-160 Panther Lite Telescope Mount
The new TTS-160 Panther Lite Telescope Mount is a lightweight, manual Alt-Azimuth mount designed for visual astronomers seeking a balance between portability, stability, and ease of use. Developed as a more compact and simplified version of the original TTS-160 Panther Mount, the Panther Lite retains many of its high-quality engineering […]
Askar 203mm APO
The Askar 203mm APO Triplet ED f/7 Refractor is a high-performance 8-inch aperture telescope with a 1421mm focal length, designed for both visual observation and astrophotography. The Askar 203mm APO is an exceptional instrument for astrophotographers and visual astronomers seeking a large-aperture refractor with premium optics and mechanical precision. With […]
iOptron HAE43 and HAE43EC SWG Mounts
The iOptron HAE43 and HAE43EC SWG Mounts have received an upgrade to the latest technology with new “C” internal board versions which eliminate the need for a handset. As noted by the iOptron team, “Keeping pace with the current rapidly developing technology environment, the iOptron HAE43 and HAE43EC SWG mounts […]
Nikon 20×120 Type II Bigeye Binoculars
A set of exquisitely restored Nikon 20×120 Type II Bigeye Binoculars is now available from Luxxoptica, a specialty optical company located in Palm Beach, Florida that restores original World War II antique “Big Eye” optics in addition to creating their own high end reproduction optical instruments. As the company notes […]
Altair TRI-RGB 2″ Light Pollution Filter
The Altair TRI-RGB 2″ Light Pollution Filter is designed for both broadband and narrowband targets. It offers functionality for broadband objects such as mixed emission/reflection nebulae, comets, dust clouds and galaxies and allows the major emission nebulae lines through. The TRI-RGB filter works well with both fast or slow focal […]
APM 16×80 EDL MS ED Binoculars
The new APM 16×80 EDL MS ED Binoculars are among the latest big astronomical binoculars in the in the APM Magnesium Series. The “L” designation represents the fact that these binoculars are longer and heavier, and their focal length helps increase the ability to correct chromatic aberration and field correction. […]
Sky-Watcher 25th Anniversary SkyMax 127 Virtuoso GTi
The Sky-Watcher 25th Anniversary SkyMax 127 Virtuoso GTi is a limited-edition offering housed in a sleek, commemorative design. It offers a premium Sky-Watcher SkyMax reflector telescope that offers crisp, aberration-free views. The 127mm Maksutov-Cassegrain design captures in-depth detail of planets, nebulae, galaxies, the rings of Saturn, Jupiter’s Great Red Spot […]
Celestron Origin
The new Celestron Origin is an all-in-one home observatory designed to take the complexity out of traditional telescopes by combining a number of different Celestron innovations such as RASA optics and StarSense sky recognition technology. At the heart of its imaging DNA, the Celestron Origin utilizes Celestron’s patented Rowe-Ackermann Schmidt […]
Lunático Astronomía Dragonfly Controller
The Lunático Astronomía Dragonfly Controller DragonFly Controller provides the ability to remotely-control a roll-off roof observatory. Lunático Astronomía has recently released new firmware and software versions for the Dragonfly, which enable users to achieve enhanced functionality of the Dragonfly macros without need for a computer. Tasks such as enhanced parking […]
Askar 185 APO f/7 Triplet Refractor
A portable and versatile telescope, the Askar 185 APO f/7 Triplet Refractor is a large aperture and long focal ratio telescope that provides excellent light-gathering power, resolution, brightness, and contrast. It joins the recently introduced Askar 140 as the newest in Askar’s lineup of line of modular telescopes offering triplet […]
Pegasus Astro Falcon Rotator v2
The Pegasus Astro Falcon Rotator v2 is the company’s updated large aperture (M68) camera field rotator that offers a lightweight, low-profile design. Despite its slim profile, it possesses the capability to manage and accurately position heavy image trains. Highlights of the Falcon Rotator v2 include: – Large Aperture: M68 opening […]