Author Archives: Sean Walker

About Sean Walker

Sean Walker, S&T's Equipment Editor, joined the staff of Sky Publishing in 2000 and specializes in astrophotography, solar system observing, and astronomy gear.

Takahashi_e130

Takahashi Epsilon 130D Astrograph

Texas Nautical Repair 1925A Richmond Ave. Houston, TX 77098 713-529-3551; www.takahashiamerica.com Takahashi has updated and reintroduced its smallest Epsilon series telescope, the ε-130D Hyperbolic Astrograph ($2,995). This 5-inch f/3.3 optical system features a hyperbolic primary mirror mated with a digital corrector to record pinpoint stars across a large 44-mm image circle. With a newly...

Celstron_cosmos

Cosmos Telescopes

Celestron 2835 Columbia St., Torrance, CA 90503 310-328-956 ; www.celestron.com Celestron introduced its new COSMOS Series of binoculars, microscopes, and telescopes at the 2014 Consumer Electronics Show in Las Vegas. Of particular note is the COSMOS 90GT WiFi Telescope ($399.95, pictured at left), a Go To refractor completely controlled using the free COSMOS Celestron...