There are innumerable iOS apps that calculate hyperfocal distance – the distance where the focus must be in order to achieve the maximum depth of field. OptiCalc provides this service on OSX, as well as calculating the size (in meters) of the depth of field, and the minimum shutter speed needed to prevent blur.
OptiCalc can do this instantly via sliders; focal length, aperture and distance to subject are all adjustable by this method, and as the sliders are moved, the results are adjusted accordingly.
There are other variables that are also calculated as these sliders are adjusted (angle of view, lens diameter, EV, magnification) for stat nerds, but the main features are quick and simple to use.
OptiCalc isn’t pretty, with calculation results being displayed simply as figures, but if you’re the type of person who really cares about hyperfocal distance (like me) – usually obsessive landscape freaks – then this isn’t going to matter to you, especially in a free app. For first-time users, the stunning array of numbers all over the place can be confusing, and it would be nice to be able to select which figures you want to appear. One other issue for all US readers – there is no option to show distances in feet and inches, which is a problem even for some UK readers!
In terms of the app’s behaviour, it is very reliable and stable in my experience, and perhaps this is a good reason to have this basic interface. OptiCalc has virtually no loading time, which I think is essential given the function it performs.
Personally, despite having had this app installed for quite some time, I virtually never use it. The reason for this is a fundamental problem with the app – there are very few instances when I want to know hyperfocal distance when I have my Mac with me. This is clearly the reason why similar apps are so popular on iOS, but are very rare on OSX.
However, my general impression of OptiCalc is very good. Despite first impressions, it is actually fairly simple to use; it is stable, fast, and does three jobs in one app. Best of all, it is freeware.
You can download OptiCalc directly from AurelioWorks here.
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Mark Myerson loves photography, and in particular, hanging around waterfalls! Landscapes and nature have always been his staple, but he relishes any opportunity to take pictures. He also works closely with many local charities, regularly providing photographic coverage of fundraising events.
Mark is also a self-confessed tech-head and OSX lover – Apple is his favourite fruit!
Mark is the owner of Mark Myerson Photography, a Devon-based business that provides a large variety of photographic services to the local community and beyond. Whilst Mark Myerson Photography specialises in event, commercial and pet photography, almost every type of photographic assignment has been covered by the company.
If you have any photography or OSX-related questions, you can contact Mark via the links given below.