The Optolong L-Extreme F is a is a dual-band (500.7 nm and 656.28 nm, FWHM=7 nm) narrowband pass filter. It is designed to work with fast imaging systems with focal ratios of f/2 – f/3.6 such as the Celestron RASA as well as imaging accessories such as the Hyperstar. Narrowband […]
New Kson Telescope Rings for Goto Kogaku and Takahashi Refractors are now available from AstroDog, an Australian astronomy products retailer. As they note, “For those of us longing for some decent stylish rings to work with Tak or Goto Kogaku refractors that need 95mm or other size rings, Kson have […]
Buckeyestargazer Shop is now offering new ZWO EAF brackets for Baader Diamond Steeltrack, Stellarvue Access Telescopes and Lunt Telescopes focusers. Joel Short, an astroimaging enthusiast located in Northern Indiana, opened the Buckeyestargazer Shop to make available items he has developed to offer affordable and uncomplicated accessories. As Short comments, “These […]
Tycho is a software program designed to facilitate the detection and measurement of asteroids, comets, and variable stars. It supports a technique known as synthetic tracking, which enables the detection of very faint moving objects. The publisher has announced that the software now runs natively on macOS. To detect both […]
Unistellar is now offering for pre-order a new Smart Solar Filter for Unistellar Telescopes that offers an opportunity to add new functionality to the eVscope and eQuinox models. The filter makes it possible to access a new solar experience feature on the Unistellar App which includes smart GoTo Sun capability. […]
The Coronado SolarMax III Blocking Filter is a right angle (diagonal) type Hydrogen-alpha blocking filter, now in the SolarMax III design. This updated design includes a long 2″ diameter nosepiece with 1.25″ eyepiece holder and t-thread connection. It is available in BF10, BF15 and BF30 models. The blocking filter is […]
The Coronado SolarMax III RichView Filter Set for solar viewing and imaging is available in a number of configurations offering a high performing Hydrogen-alpha filter design that includes a SolarMax III Etalon with blocking filter. Each set offers an external front mounted etalon for use on a high-quality telescope that […]
UK based Rowen Astronomy’s Rowen AZ100 Alt-Azimuth Mount is an impressive feat of engineering that moves your optics in altitude or azimuth – up and down, or side to side – as independent functions and includes the option to lock the mount’s position and to guide it manually. The company […]
The Stellalyra Ultra Flat Field Eyepieces provide a wide field of view and excellent field curvature correction, so stars are pin-sharp across the entire visible field, even in fast optical systems, They are available in 1.25” and 2’ models. The 1.25” version options include 10mm, 15mm, 18mm and 24mm. There […]
The Stellalyra Flat Field Tel-Extender is a premium quality image amplification lens ideal for high-resolution observing and imaging of the Moon and planets. It is offered in 2-inch 2x and 1.25-inch 3x versions. The Stellalyra Flat Field Tel-Extender lens features a four-element optical design that minimizes field curvature and provides […]
The StellaMira 125mm ED Doublet f/7.8 Refractor offers fully multi-coated air-spaced doublet optics with ED glass equal to FPL-53 and Lanthanum to deliver high-contrast views with very low chromatic aberration. It includes a sturdy 2.5″ rack and pinion dual-speed focuser with 1:10 fine focusing and integral rotator which provides excellent […]
The new Sightron Japan Alt-Azimuth Mount is a high-quality alt-azimuth mount that offers great flexibility and can be operated in three different modes: conventional alt-azimuth, single fork and German equatorial (requires an EQ Wedge). With a maximum payload of 7kg and weighing only 1.45 kg, this highly portable mount is […]