It may seem counterintuitive at first, but using a dull blade is actually more dangerous than using a knife with a sharpened blade. The reason for this is that a dull blade is more likely to slip off ...

So I got a cheap lens (Phoenix 19-35mm f/3.5-5.6) at a thrift store, and also picked up a Tamron 24-80mm f/something (don't recall right now) Was going to keep only one, but would like to do a ...

Baader AstroSolar is the benchmark material for serious eclipse photographers, thanks to its sharpness, contrast, and neutral ...