Key Takeaways:
- Celestron introduces the Moon Mission 100mm Tabletop Dobsonian, a 4-inch f/4 reflector telescope that includes two eyepieces, a finder scope, and a Moon filter, weighing 5.3 pounds with an optical tube length of 14.2 inches.
- Explore Scientific presents the ED80-FCD100 Refractor, a 4-inch instrument available in a kit featuring a 0.8x focal reducer to change its focal ratio from f/6 to f/4.8, complemented by a go-to mount, a 2.5-inch focuser, a 2-inch diagonal, and two counterweights.
- Tele Vue Optics details the 19mm Nagler Type 7 eyepiece, characterized by seven lens elements, an 82° apparent field of view, 19mm of eye relief, and a 2-inch model, with a total weight of 19.6 ounces.
Moon Mission 100mm Tabletop Dobsonian

Celestron
Torrance, California
Celestron’s Moon Mission 100mm Tabletop Dobsonian is a 4-inch f/4 reflector. It comes with two eyepieces, a finder scope, and a Moon filter. The assembled unit weighs 5.3 pounds (2.4 kilograms), and the optical tube measures 14.2 inches (361 millimeters) long.
$179.95
1-310-803-5955
www.celestron.com
D80-FCD100 Refractor

Explore Scientific
Springdale, Arkansas
Explore Scientific’s ED80-FCD100 Refractor is available in a kit that comes with a 0.8x focal reducer, changing the focal ratio of this 4-inch scope from f/6 to f/4.8. The company also includes its go-to mount, a 2.5-inch focuser, a 2-inch diagonal, and two counterweights.
$1,399.98
1-866-252-3811
www.explorescientific.com
19mm Nagler Type 7 eyepiece

Tele Vue Optics
Chester, New York
The 19mm Nagler Type 7 eyepiece offers a mix of sharpness and correction. It contains seven lens elements, has an 82° apparent field of view, and weighs 19.6 ounces (556 grams). It has 19mm of eye relief and comes in a 2″ model.
$635.00
1-845-469-4551
https://televue.com
