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Version
1.0
Size
1.06 Mb
Updated
9 years ago
Released
23 May 2014
Screenshots
Description
FilterCompute takes the guesswork out of estimating exposures with neutral density filters.
Given an exposure without a filter and a filter adjustment factor, this calculator will allow you to select an fStop, exposure time, and an ISO that will provide a correct exposure with the filter. The calculator completely eliminates the trial and error that can be involved with calculating a correct exposure for a filter that is too dark to take a correct through-camera exposure.
This free version computes exposure increments in 1.0 fStop intervals, and requires an exposure taken by an external camera or a light meter.
The free version differs from the paid version in two ways: In the paid version, the iPhone can be used as a light meter to take one or two exposures, eliminating the need to manually enter the exposure data. If two exposures are taken, the app will compute the fStop difference between the exposures, assisting in selecting a filter strength. In addition, exposures can be calculated in full, 1/3, or 1/4 fStop differences, instead of only the full fStop differences available in the free version.
Estimates
Availability
Devices
iPhone3GS
iPadWifi
iPad3G
iPhone4
iPodTouchThirdGen
iPodTouchFourthGen
iPad2Wifi
iPad23G
iPhone4S
iPadThirdGen
iPadThirdGen4G
iPhone5
iPodTouchFifthGen
iPadFourthGen
iPadFourthGen4G
iPadMini
iPadMini4G
iPhone5c
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
iPad71
iPad72
iPad73
iPad74
iPhone8
iPhone8Plus
iPhoneX
Pricing by country
| Country | Price |
|---|---|
| Canada | free |
| China | free |
| France | free |
| Germany | free |
| Italy | free |
| Netherlands | free |
| Portugal | free |
| Spain | free |
| Poland | free |
| UK | free |
| India | free |
| Japan | free |
| Poland | free |
| Russia | free |
| Turkey | free |
| USA | free |
| Korea, Republic Of | free |
| Ukraine | free |
