You searched for "optical"
Top news results for optical
Seestar S50 Pro Review
Wednesday, September 2, 2026 by Richard Harris
30 Days of Real-World Testing, Images, EQ Performance and OS08B10 Sensor Analysis The wait is over. ZWO has just moved the needle with the all new Seestar S50 Pro. Similar to the S30 Pro, but with more of a punch, the S50 Pro takes the idea of a portable, app controlled observatory and gives it a...
Seestar S50 Pro First Look: Insights from ZWO Founder Sam Wen
Monday, August 31, 2026 by Richard Harris
The Seestar S50 Pro has arrived, but the more interesting story may be what it tells us about where ZWO believes smart telescopes are headed next. For the September issue of ScopeTrader, we sat down with ZWO founder and CEO Sam Wen for an extended conversation about the development of the S50 Pro...
ASI2600MM vs ASI6200MM vs ASI461MM: Sensor Sizes
Sunday, August 2, 2026 by Richard Harris
There is a surprising amount of confusion surrounding astronomical camera sensor sizes. I regularly hear one group argue that full frame is automatically better, while another insists that larger sensors are basically identical to smaller ones except for the amount of sky they capture. Neither posit...
Questar is gone: The fate of the world's most famous compact telescope
Friday, July 3, 2026 by Richard Harris
Like a lot of amateur astronomers, I can still remember flipping through Astronomy magazine in the 1980s and stopping on those Questar ads. There it was, this small, polished, precision telescope photographed like a fine instrument, not just another piece of astronomy gear. I wanted one pretty bad b...