The Helios 44-2: swirly bokeh, explained
Everyone talks about the swirl. Fewer people explain where it actually comes from — and why the 44-2 in particular swirls harder than its successors…
Adapting M42 lenses to mirrorless: a practical guide
Which adapter to buy, what "flange focal distance" means for your wallet, and why the cheapest adapter is usually fine…
Industar 50-2: the tiny Tessar that could
It costs less than lunch, weighs 70 grams, and renders like a lens ten times its price stopped down. A love letter to a pancake…