A constant-aperture 70-200mm f/2.8 ‘trinity’ zoom is often the go-to telephoto lens for enthusiast photographers, but they tend to be big, heavy and expensive, and they’re certainly not the only option.
The 70-300mm zoom range is something of a classic, stretching back to the 35mm film era. These lenses have a slower, variable aperture range, typically of around f/4-5.6 but give more powerful reach on an FX (full-frame) camera, going further still on DX (APS-C format) bodies, with an effective range of around 105-450mm that stretches into super-telephoto territory. Further advantages are that ‘budget telephoto lenses’ are relatively compact, lightweight and easy to live with, especially for action, travel, sport and wildlife photography, when you might want to shoot handheld for long periods of time, without resorting to using a…