Orion replaces their popular 4.5-inch AstroBlast beginner telescope with the SkyScanner BL102. Is it a worthy successor? For many years, I and many others...
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I put the 45-megapixel Canon R5 mirrorless camera through its paces for astrophotography. A high-resolution (in this case 45-megapixel) stock camera doesn’t seem like...
For imaging nebulae, the combination of a monochrome camera and narrowband filters can create truly breathtaking results. Nebulae are composed of a number of...
A 20mm eyepiece with a 100° field for only $300 seems too good to be true! In eyepieces, models with the extreme apparent field...
Having owned the Planewave CDK12.5 (reviewed for AGT here), I was very interested in how much difference I’d find with the larger CDK14. I...
I always recommend using flat field frames to calibrate deep sky images. My most recent imaging setup with a large full-frame camera and an...
Most deep sky imagers need to guide their mounts for long-exposure imaging. Large telescopes with long focal lengths and fine image scale are especially...
Periodic collimation is critical for the best optical performance. But clear nights are for observing, while telescope maintenance is a cloudy night activity. Unfortunately,...
After getting good results with the QHY268M APS-C that I reviewed for AGT last year, I decided to try QHYCCD’s full frame offering, the...
While best known for their line of giant binoculars, Ohio-based Oberwerk (who used to be called BigBinoculars.com) also offers more modest aperture binoculars that...