Viltrox is a Chinese company that’s really impressed me over the last couple of years. They make some of my favorite lenses, ranging from extremely compact and lightweight ‘Air’ series primes to ...

I got some to test, and I'm really not certain I'm doing things right. Using a Pentax MX, with 400 speed film, and 2 tubes (9mm and 16mm) with a SMC Pentax-M 1:1.7 50mm lens. I took a roll or so of ...

When you hear the term “extension tube”, you probably think of something fairly long, right? But when [Loudifier] needed an extension tube to do extreme close-ups with a wide-angle lens on a Canon ...