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  • #: 223879
  • Price: $2.99 In Apple Store
  • Category: Photography
  • Updated: 2010-07-03
  • Current Version: 1.2.3
  • 1.2.3 (iOS 4.0 Tested)
  • Size: 0.60 MB
  • Language: English
  • Seller: Adair Systems, LLC
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.1 or later
  • © 2009 Adair Systems, LLC
  •  Add to Favorite apps



PhotoCalc is a utility for iPhone and iPod for photographers to calculate exposure reciprocation, depth of field, and flash exposure.

PhotoCalc offers handy calculations for professional or hobbyist photographers working in the studio or in the field. PhotoCalc provides exposure reciprocation, depth of field and hyper-focal distance calculations, and flash exposure calculations.

In addition to the calculators, PhotoCalc features a reference section with a glossary, and several reference documents such as the Zone System, and the Sunny 16 Rule.

PhotoCalc's reference section also contains an integrated version of Sunrise, a sunrise/sunset calculator that uses iPhone's ability to determine your location to accurately calculate the time of sunrise, sunset and solar noon for the current day, or any day you select.

PhotoCalc remembers the last position and values used, so it's easy to switch to another application or take a phone call and return to the exact same position.

PhotoCalc's features include:

- Exposure Reciprocation calculator

- Depth of Field and Hyper-focal Distance calculator

- Flash Exposure calculator

- Integrated version of Sunrise, a sunrise/sunset/solar noon calculator with a worldwide database of locations

- Reference section with glossary, and reference documents

- Configurable to English or Metric units

- Configurable to use half or third stops

- Comprehensive camera database for Depth of Field calculations

- Saves position, so it's easy to switch in and out

(Please note: version 1.2.1 of PhotoCalc is required for compatibility with Apple's OS 2.2.1 update!)

iPhone Screenshots

PhotoCalc iPhone Screenshot 1
PhotoCalc iPhone Screenshot 2

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Rated 2/5 based on 3 customer reviews.


5/5 stars

You need this for Bokeh

In the 35 mm days, lenses had a depth of field guide built in. However, with autofocus this information has disappeared. Photocalc does the calculations and presents the info clearly, actually, giving more information than was shown on the old lenses. Since the difference between a great photo and a so-so photo is often the Boken, knowing depth of field is vital. I use Photocalc mostly for depth of field, but the flash portion is also very nicely done. Controls are intuitive and work smoothly. Glossary and sunrise/sunset are fun bonuses.

0/5 stars

Crap!! iOS4

Do not upgrade to the iOS4 program - it will stop working on your iTouch. Piece of junk.

3/5 stars

Good when it worked

Will not open any more. Advise against buying until they update it.


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The information may be outdated (2011-04-28 22:43:52). For actual information go to iTunes

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