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Depth of Field Calculator

by Essence Computing Ltd
Rated: All Ages

Price: £0.69 Price inclusive of VAT if applicable.
Sold by: Amazon Media EU Sarl
Available instantly
Languages Supported: English

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Latest Updates

What's new in version 11
  • Added the depth of field variants view as an In App purchase.

Product details



Product Features

  • Calculates the Depth of Field
  • Shows Near and Far Distances
  • Shows Hyperfocal distances
  • Over 800 cameras listed

Product Description

Ever taken a picture and wished that either more of it had been in focus or the exact reverse and that less had been in focus? Of course you have I certainly have. But what settings on your camera give which results and if you change one of those settings what is the Depth of Field then. You can calculate it all yourself but it is not easy. This App takes all of those problems and makes it simple to find the answers. Just type in the distance to the subject, the focal length being used and the f-stop and the App calculates the near and far distances of acceptable focus and therefore the depth of field. This is all shown on an easy to understand diagram.

An example is: You are trying to take a photo of a bee on a flower and all but the bee is to be out of focus. Set the distance of the subject to be 200 mm (20 cm, approx 8 inches), set the f-stop to be f/5.6 and set the focal length at 50 mm. The App calculates that the depth of field is 3.41 mm (0.3 cm, a small fraction of an inch). The bee will be partially in focus but bees are more than 3.4 mm across so that depth of field is probably not what you were looking for. Set the camera to f/22 and now the depth of field is 13.39 mm (1.39 cm or just over half an inch) now this is much closer to what you wanted. Now maybe the whole of bee is in focus but still all of its surroundings are out of focus.

This App will help you take much better photographs by being able to understand the relationship between the settings on your camera and the depth of field that they produce. The diagram shown is better than a thousand words of text (as the saying goes). You can now easily see what effect a change in the settings will make.

The Depth of Field Calculator allows you to quickly calculate the near and far distances of acceptable focus. Just select the distance you are focused at, the f/stop and the len's focal length and the diagram shows you at what distance acceptable focus starts and at what distance it ends. You can select to express the focus distance in metres, millimetres, feet and inches. Unlike other Apps this App does not use picker wheels for the f/stop and focal length values so you can enter whatever values you want.

The only other thing you have to do is select the camera you are using. The Camera button takes you to a page with the makers of cameras listed to the left. Select the maker of your camera and then scroll down the list to the model. Select Save and you are now ready to calculate the correct values. The calculations work using a value called the Circle of Confusion. This changes depending on the camera make and model.

If you camera is not listed then email and it will be added. You can generally find your Circle of Confusion value on the web. Once you know this value just set it manually in field at the top and Save.

You can manually specify the Circle of Confusion to use. Just select the field at the top and type in the value required. Select OK and then select Save. The user-defined Circle of Confusion will be used.

Technical Details

Size: 1.9MB
Version: 11
Developed By: Essence Computing Ltd
Minimum Operating System: Android 2.2
Approximate Download Time: Less than 30 seconds

Customer Reviews

Top Customer Reviews

Verified Purchase
I have the Nikon D3200. It has the same Circle of Confusion figure as the D3100 which is on the in-built camera list. I use the D3100 setting and everything works. It is simple, very clear and easy. This is how small specialised apps should be ... no frills, it just does what it is supposed to!
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For all those budding photographers out there, this is an invaluable little tool. The settings are easy if you understand f/ stops and aperture, which lets be fair you HAD to know to be reading this!!!!
Long may it help with that award winning shot.
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Depth of Field Calculator is a simple, no nonsense app.
Just select your camera make and model from the extensive listings and your away. Clear, no clutter and simple, just what I want from an app.
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Not much to this app, but a large range of camera makers and models, though for me it jumps from the Olympus E-330 to E-510 and misses out on the E-400 series altogether. So aperture will be eyes wide shut for me, bumper on this if it isn't updated.
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It does what it says on the box. It has options for measurements in imperial or the new fangled metric system. Enter your ca,era model and the results are that bit more accurate. I can't wait to test it for real other than in th back garden.
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Excellent little app,does what you expect,clearly readable.A godsend if you do not understand depth of field and a great assisstance if you do.Would reccommend
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Very good app - does what it says on the tin. Will be a great help in getting the best Depth of Field when I'm out and about.
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This is a great piece of kit and sould be in every Photographers kit bag Hope that they take it on board
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