Beyond being optically ideal for astrophotography, the Sigma 14mm f1.4 has a number of attractive features tailor-made for capturing pictures of stars. First, there’s the manual focus lock switch. When you’re capturing photos of stars, you don’t want to accidentally jostle your focus out of whack, as this can ruin an otherwise amazing shot or many shots, should you not notice the error. Being able to lock the focus is a big deal. Similarly, there’s also an aperture ring lock switch.
Additionally, the Sigma 14mm f1.4 has a built-in lens heater retainer, which makes attaching this common astrophotography accessory more convenient and prevents it from accidentally entering your image frame.
Other features non-specific to astrophotography include an AFL button, a physical auto/manual focus switch, and a switch to make the aperture ring clicky or de-clicked. The lens supports rear gel filters and — uniquely — has storage space for those filters in the lens cap, which is itself superior to other lens caps we’ve used. You’ll need a square filter holder if you want to use front filters.
Perhaps most significantly as well, the removable tripod socket has a built-in Acra Swiss-compatible quick-release plate. This is something photographers have been asking for to be included by default on lenses with tripod sockets for years. It may seem like a small touch, but it’s one of the things we love best about this lens.
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