Software engineer, hobby photographer and model-builder.
21 What's the advantage of buying a fixed 50mm f/1.8 lens when my camera has an 18-55mm zoom lens? oct 15 '11
14 Why choose an 80-200mm over an 18-200mm lens? apr 25 '11
12 What should I consider when purchasing a macro lens? sep 12 '11
11 How to use IR index on Canon EF 24-105mm F/4 L USM may 8 '12
11 Why the AF confirm lights won't blink when the spot is in-focus while using an all-manual lens with an adapter without any connectors? jan 25 '11