Exposure Calculator

RAWapps

- June 3, 2010

1

Listen Read Device Only Added Installed Loading device compatibility...

(287)

Description

Allows photographers to calculate equivalent exposures.

Enter current settings, then calculate shutter speed, aperture (f-stop), or ISO. Also, calculate proper exposure using a Neutral Density (ND) filter by adjusting the exposure value (EV)!

v1.5 - customized start-up values

v1.4 - fix for smaller screens

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# Reviews

Helpfulness

Newest

Rating

Helpfulness

All Versions

All Versions

Latest Version

4.3

287 total

5 168

4 63

3 31

2 11

1 14

Tanja Petri

Great! Exactly what I needed; bought some film to try out this great lens that I have for my old Canon A-1. I don't have a light meter, and I don't trust the built-in one, so I'll be using my digital EOS for light setup and metering. The widest aperture on the lens on the EOS is 5.6, the widest on the old lens (a 135 mm fixed length) is 2.5, and, being so used to all the automatic settings on the EOS, I'm slightly out of practice when it comes to exposure converting. This is gonna save me a lot of pain, thanks!

Ian Rodgers

Not for me Well I have tried it but it isn't as good as the others make out. I have contacted the App creator but got no reply. I just want to find out what shutter speed to use to get a correct exposure when using ND filters. Sounds easy of course but. I don't want to be doing test shots of 6mins long (as an example) and wasting my life in doing so. I want to then be able to crank up the iso to 1000 and above to get an exposure. I will then put it back to iso 200 and go for the long,and correct exposure. It calculates the exposure wrong if you start to change the iso. Good effort though from the creator but not really good enough

Martin Potter

Great app. Very flexible. A must for ND110 use Just wish I'd found this earlier - simple and effective once you understand what it's doing and really useful when using strong ND filters. Those reviewers marking it down because it stops at 9 stops don't understand how it works - look at the equivalent exposure and you'll understand. By default I think it uses a current exposure of 30secs - when you go to +9 stops adjustment this becomes 256 minutes of equivalent exposure! If you went to 10 stops this would be 512 minutes (are you really going to stand there with the camera in Bulb mode for 8 hours?). Once the current exposure is set to something more reasonable (e.g. in most conditions you'd likely be at 1/30th or above) you can then dial in 10 or more stops adjustment (I.e. the app is placing an upper limit on the equivalent exposure of 256 minutes).

A Google User

Awesome application This is a great exposure calculator. Simple and straight forward to use. Excellent!

Alan Morrison

Works well - needs a timer This app works well in calculating the exposure but would benefit from having timer functionality. Also you need to look at the UI for tablets. Address those points and you'd get 5 stars from me

A Google User

Not calculating correctly!! The interface is great and exactly what i'm looking for, but it does not calculate correctly. If you decrease ISO, it will also increase the Fstop# (decrease aperture size). This is the opposite of what should happen. If you decrease ISO, your aperture should get larger, not smaller (should lower Fstop#).

User reviews

Looks like it will be useful, but I can't read the bottom of the screen on Wildfire.

Stupid limits EV adjustment is capped at +9, why? I have a 10 stop ND filter...

Excellent for what it is It would really be helpful to me if stop range was increased to say f/250 in 1/3 stop increments (for pinhole exposure calcs)

Useful for ND filters Exactly the app I've always wanted to write. Exposure in, equivalent exposure out + configured stops. I don't see any issues with changing iso like others describe. The app does round unnecessarily when you are already well into bulb mode territory, but the difference in actual exposure is mostly negligible. Would like to see enhancements as presets for filters

Great! with 1/3 stop increments. Finally an app that allows me to switch the aperture and iso by 1/3 stop. Calculating with "exact" apertures (2,8; 4...) is pretty easy once you're used to, but when you start with 1.8 or 3.5, you do not always remember the multiplying factors. This app contains the one and only thing I needed, thanks! It is straightforward, you don't need to explore three menus to get to what you want.

A few more options possibly A really nice useful app, but there is one thing i'd like to see. 1. The ability to use the ND value of a filter i.e. ND4, ND8, ND400 rather than having to work out the stops. There is also a bug, hitting Calculate Aperture in settings closes the app, at least on my Galaxy S2 any way.

Thank you! ...Should be on every DSLR Owners phone. This is exactly what it should be...simple, easy, intuitive.

Great application. Makes using nd filters so much easier.

You have made an excellent tool! Any photographer could use this. Simple, quick, what more can you ask for...

Does what it says Can't rate it anything other than 5 stars - it's simple but does exactly what it says. 1/3 stop increments makes it a great little addition to any photographer's toolkit.

Additional information

Updated

June 3, 2010

Size

48k

Installs

50,000 - 100,000

Current Version

1.5

Requires Android

2.0 and up

Content Rating

Everyone

Contact Developer

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Listen Read Device Only Added Installed ## Exposed

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Listen Read Device Only Added Installed Neutral density (ND) filters reduce the amount of light entering a camera lens. Exposed assists the photographer in determining the shutter speed required to expose the image. Given a reference shutter speed and the amount of light reduction offered by the filter, it will calculate and time the new required shutter speed.

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roaming squirrel

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A full range of settings allow easy customisation - move to SD for 2.2+ users

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Scalea software

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Andrei Kulik

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Listen Read Device Only Added Installed It is the best simple calculator for everyday use.

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Features:

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Features:

* Expression calculation

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* Auto enclose in bracket. Just click )

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Try EasyCalcPro (Easy Calculator Pro) version for more features.

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Develop Studios S.L

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* Percentages

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Tim O's Studios

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Listen Read Device Only Added Installed ## Mobi Calculator FREE

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Listen Read Device Only Added Installed Universal free, every day use calculator with scientific features. One of top.

Good for simple and advanced calculations!

Good for simple and advanced calculations!

* Math expressions calculation (developed on RPN-algorithm but no RPN-calculators' kind UI!)

* Percentages (calculation discount, tax, tip and other)

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* Time calculation (two modes)

* Trigonometric functions. Radians and degrees with DMS feature (Degree-Minute-Second)

* Logarithmic and other functions

* Calculation history and memory

* Digit grouping

* Cool color themes (skins)

* Large buttons

* Modern, easy and very user friendly UI

* Very customizable!

* NO AD!

* Very small apk

* More features will be added. Stay in touch! :)

http://facebook.com/mobicalc

http://twitter.com/mobicalc

OLD NAME is Cube Calculator.

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Listen Read Device Only Added Installed ## Calculator (CyanogenMod)

Xlythe

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Listen Read Device Only Added Installed Calculator is focused on extending the traditional 4 function calculator, keeping its simplicity while still adding features used in higher level math. It uses the original Android calculator as a base.

The project was started by me in June 2012 and by October 2012 it was accepted into CyanogenMod. Since then, users of the app have helped greatly in cleaning up the ui, improving the matrix features, and translating the app into all the languages currently available. Without them, this app would be nowhere near as polished as it's become.

Because the app is intended as a full replacement, it's recommended that you hide your default calculator by either disabling it (v4.1+) or using a custom launcher. Otherwise, the similar app names may prove confusing.

Calculator has the following features and more:

-Basic arithmetic

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-Complex numbers

-Graphs for X,Y functions

-Matrices

-Hexadecimal and Binary support

-Widget for lockscreen and launcher

-Floating calculator

-History of previous calculations

-Themeing support

-Google Glass support

The app is completely open source and the source can be downloaded at: https://github.com/Xlythe/android_packages_apps_Calculator/tree/ics

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Listen Read Device Only Added Installed ## Percent Calculator

CityJams

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Listen Read Device Only Added Installed 1. Calculate Percents & Percentages

2. Percent Discounts (sale price)

3. Percent Markups (increase by)

4. Percent Margin (selling price)

5. Calculate Tips.

6. Percentage Difference (Change)

7. Percentage (what % of) i.e. x is what percentage of y

2. Percent Discounts (sale price)

3. Percent Markups (increase by)

4. Percent Margin (selling price)

5. Calculate Tips.

6. Percentage Difference (Change)

7. Percentage (what % of) i.e. x is what percentage of y

Tip:

Enter any two values and the third is computed e.g. [23]% of [x] = 115. X will be computed (20).

Customize background colors.

1

Listen Read Device Only Added Installed