Lens Focal Length Calculator iPhone Software

HSVPL Image Formation Using Lenses 1.0 Polyhedron Learning Media, Inc. 

Mobile \ Education

The Image Formation Using Lenses lab uses an optical bench to determine the focal length of a converging lens and to investigate the relationship between the object distance and the image distance. It is part of High School Virtual Physics Lab, a set of 24 iPad apps for use in the classroom. To see how they work, try the FREE HSVPL Newtons 2nd Law. Free download of HSVPL Image Formation Using Lenses 1.0, size 23.17 Mb.


Hyperfocal Calc 2.0 Venkatramanan Krishnamani 

Mobile \ Photo & Video

Hyperfocal Calc aka iFotobacus calculates the Hyperfocal distance for a given combination of focal length and aperture of the camera lens. The hyperfocal distance for a lens zoomed to a particular focal length is defined as the nearest distance of focus which maximizes the depth of field. In other words, when the camera is focused at the hyperfocal. Free download of Hyperfocal Calc 2.0, size 209.72 Kb.

PVD-calc 1.0.0 Stephen Kyle Sullivan 

Mobile \ Photo & Video

Photograph Viewing Distance Calculator is a tool to calculate the correct viewing distance for photos to preserve the original field of view and relative size based on focal length and camera sensor width.. Freeware download of PVD-calc 1.0.0, size 0 b.

Quick Spoke 1.3 Pepelko 

Mobile \ Utilities

Spoke Length Calculator.

This is the one you want. Huge list of hubs and rims with predefined measurements. Multiple ways to measure hubs and rims. Save all the wheels you build so you have a reference library of spoke lengths for each wheel. Beautiful graphics assist in measurement specifics.. Free download of Quick Spoke 1.3, size 9.75 Mb.

RayOptics 1.93 ElYogiApps 

Mobile \ Education

Ray tracing through system of optical surfaces.
1) calculates first-order parameters: focal length, location of pupils, magnification, for Finite Conjugates, Object at Infinity, Image at Infinity, or Afocal system.
2) calculates third-order aberration coefficients.
3) plots third-order , full spot diagrams and PSF Density.
4). Free download of RayOptics 1.93, size 1.99 Mb.

Chain Length Calculator 1.1 Luis Prado 

Mobile \ Sports

Use this calculator and cut your bicycle chain to the right link.
This app calculates chain length for fixies, single speed and geared bicycles.
. Free download of Chain Length Calculator 1.1, size 2.10 Mb.

Engineering Survey Calculator 3.0 V PUGAZHENTHI 

Mobile \ Reference

Engineering Survey Calculator has got 33 Calculators for different Surveying,measurement and Civil Engineering Parameters.
- Handy Tool for Engineering Surveyors
- Available in Imperial (USCS) and Metric (SI) Units.
- Available for i Pad and iPhone

List of Calculators in the App

1. Standard Deviation (Series. Free download of Engineering Survey Calculator 3.0, size 1.89 Mb.

101-in-1 Physics Solver 1.3.2 Charles Vu 

Mobile \ Education

"Great App!!!!" - mtnlivn
"Very useful!" - ricosuavemente
"Excellent app! Would pay much more for it! :D" - Vaqas A Khan

For just $0.99 (US App Store), you get 101 physics solvers (actual calculators, not formulas) on topics ranging from Newtonian Mechanics, Electricity & Magnetism, Fluids. Free download of 101-in-1 Physics Solver 1.3.2, size 1.36 Mb.

Qalculator 1.0.0 QConcept OHG 

Mobile \ Utilities

Qalculator is a tool for media professionals. Qalculator offers a variety of different calculation tools and utilities. This includes:

- Lighting Beam Calculation
- Projection Tools
- Camera Tools
- Audio Tools
- Tap BPM
- Displaysize
- Dip Switches

Ever wanted to know how wide a 103" Screen. Free download of Qalculator 1.0.0, size 1.68 Mb.

SMAPP, stillmotion's Story to Film App 1.3.4 StillMotion 

Mobile \ Photo & Video

* To prevent crashing, delete previous SMAPP versions, restart, then install this new version!

SMAPP is the filmmaking app to help you push your stories forward. SMAPP was designed by filmmakers, for filmmakers!

Learning this craft can be intimidating, and there are so many tools that we either don't fully understand or don't. Freeware download of SMAPP, stillmotion's Story to Film App 1.3.4, size 6.08 Mb.

TouchDoF LT SQJ Solutions 

Mobile \ Utilities

TouchDoF LT for iPhone
By SQJ Solutions
iPhone 3G and later compatibility

Find out why photographers around the world are using TouchDoF LT to help compose beautiful and stunning photographs. TouchDoF LT provides an easy way to find camera settings for professional looking shots where depth of field is. Freeware download of TouchDoF LT, size 19.08 Mb.

TouchDoF Pro SQJ Solutions 

Mobile \ Utilities

TouchDoF Pro for iPhone
By SQJ Solutions
iPhone 3G and later compatibility

Find out why photographers around the world are using TouchDoF Pro to help compose beautiful and stunning photographs. TouchDoF Pro provides an easy way to find camera settings for professional looking shots where depth of field is. Freeware download of TouchDoF Pro, size 19.08 Mb.

EXIF(Photo) Editor 1.3 YangYeon Cho 

Mobile \ Productivity

EXIF Editor App is that you can modify the EXIF (Exchangeable image file format) is included in JPEG.

As well as basic information and camera information, GPS position can be modified.

Editable EXIF Item list

1. Basic Information
- Make
- Model
- Software
- Artist
- Copyright
-. Free download of EXIF(Photo) Editor 1.3, size 3.46 Mb.

Hello Kitty Cubic Camera 1.5.6 Altek Corporation 

Mobile \ Photo & Video

"Hello Kitty Cubic Camera App" is a collaboration between altek Cubic and Hello Kitty, with exclusive Hello Kitty Cubic Camera app.
"Hello Kitty Cubic Camera App" uses an exclusive Hello Kitty start-up picture, which directly links to tablet or smartphone through Wi-Fi.
Users can delight in the world of Hello Kitty. Freeware download of Hello Kitty Cubic Camera 1.5.6, size 4.30 Mb.

365 Concrete Calculator 1.0 The App Garden Ltd 

Mobile \ Utilities

365 Concrete calculator lets you easily calculate your volume needs for the common filling requirements in any combinations of the following units:

- Metres
- Centimetres
- Feet
- Inches
- Your boot length (for a bit of fun)

Ask Reg (who runs the company and has been in the business for 38 years) by a quick. Freeware download of 365 Concrete Calculator 1.0, size 15.83 Mb.

Easy Square Calculator 2.0.0 MaoWare Corporation 

Mobile \ Education

Square Calculator allows you to calculate side, diagonal, perimeter, and area given any value.

Built-in unit converter makes it a snap to calculate and convert from any length or area units.

Simply enter one of the parameters (i.e. side, diagonal, perimeter, or area) and the other three are instantly computed.

For. Free download of Easy Square Calculator 2.0.0, size 1.05 Mb.

Heatloss Calculator & Guide 2.2 Mr Combi Training 

Mobile \ Productivity

The Heatloss Calculator & Guide from Mr Combi Training includes two useful calculators:

Heatloss calculator - finds the heatloss from a room
Radiator calculator - estimates a radiator's length/output

Heatloss Calculator:
This easy to use calculator lets you enter the details for a room, with dimensions in. Free download of Heatloss Calculator & Guide 2.2, size 524.29 Kb.

Heater Calculator 1.0 santosh tarlapally 

Mobile \ Productivity

heating calculator to work out what level of heating you need for your particular applicationSpace heater calculator is an application to help you find the perfect sized space heater for your room. Just enter the width, height and length of your room, and we'll calculate the number of BTU's necessary to properly heat your room. We'll also give us a. Free download of Heater Calculator 1.0, size 104.86 Kb.

Helicopter Pitch Calculator 1.1 Jens Arnt 

Mobile \ Utilities

Helicopter Pitch Calculator is a utility for calculating 1 of 2 parameters

When the length of the blades and the Pich is known it will calculate the corresponding gap between the tip of the blades

When the length of the blades and the gap between the blade tips are known it will calculate the corresponding pitch.. Freeware download of Helicopter Pitch Calculator 1.1, size 2.73 Mb.

Projector & Screen Calculator 1.6 Julien Blais-Savoie 

Mobile \ Utilities

Projector Screen Calculator is a quick reference tool for video technicians and projectionists.
- Calculate lens throw ratio.
- Calculate screen size.
- Calculate distance.
- Choose between multiple ratio : 4:3, 16:9, 16:10 or custom.
- Choose between imperial and metric system.
- Get the pixels. Freeware download of Projector & Screen Calculator 1.6, size 209.72 Kb.

Radius Calculator 2.0.0 MaoWare Corporation 

Mobile \ Business

Radius Calculator allows you to calculate the radius, central angle, arc length, and circumference from the span / chord and rise of an arc segment. Built-in unit converter makes it to work with any length unit (including inches, feet, centimeters, meters, and many more).

Simply enter the span / chord and the rise to arc in your choice. Free download of Radius Calculator 2.0.0, size 1.05 Mb.

Engineer's Handbook 1.0 Magic Hour Communications 

Mobile \ Utilities

The Engineering Handbook contains useful conversion factors, resources and data associated with engineering and physics.

Inside the app there are calculator tools for length, volume, temperature, density, weight and flow. Resources listing the periodic table of elements, screen size conversions, and vessel capacities.

The. Freeware download of Engineer's Handbook 1.0, size 629.14 Kb.

ErgSplits 1.2.1 ChallTech, LLC 

Mobile \ Sports

ErgSplits is the perfect application for any rower or coach with an iPhone or iPod touch.

You no longer have to do mental math, get out a calculator, or open up a spreadsheet to calculate an average 500 meter split length. ErgSplits offers the ability to quickly and easily determine the average 500 meter split length for varying. Free download of ErgSplits 1.2.1, size 11.43 Mb.

Laser Tape Measure 3.0 JINPING YI 

Mobile \ Entertainment

Laser Tape Measure turns your iPhone into a Laser Measure Tape!

Laser Tape Measure the distance, length, width and height of an object quick and easily, any where in any time!

Laser Tape Measure uses the camera lens height and the iPhone camera angles as parameters to calculate the width, distance and height of the object.

ProjectGo! 1.0 ACTi Corporation 

Mobile \ Utilities

Project Design, Anytime, Anywhere!
ACTi ProjectGo! is a project design app for ACTi IP surveillance system. Easy to find ACTi cameras and lens fulfill your requirements. Also, bandwidth calculator gives you the idea how much bandwidth is required in a project easily.. Freeware download of ProjectGo! 1.0, size 3.46 Mb.

Projectionist 1.27 Neodarque 

Mobile \ Business

Projectionst is a lens calculator for the professional A/V Technician.

It also contains a detailed product specification database of most common professional high end projectors from Barco, Christie digital, Projection Design, Panasonic & Sanyo are included.

The app can be used to calculate projector lens & distance at. Free download of Projectionist 1.27, size 12.16 Mb.

Punnett Calc 2.4 RayBrooke Software 

Mobile \ Education

Punnett Calc is a genetics calculator that determines all the possible genotypes and phenotypes that can be produced from two given parent genotypes (up to five genes in length). Punnett Calc also calculates the probability of producing individual genotypes, phenotypes, and respective ratios (absence of gene linkage assumed).

Punnett. Free download of Punnett Calc 2.4, size 3.67 Mb.

Quick Conversions 1.2 Joe Cortopassi 

Mobile \ Utilities

Now updated with new features!
Easily convert between:
- Length
- Weight
- Volume
- Time
- Speed
- Temperature
- Area

Conversion calculator that
never takes more than. Free download of Quick Conversions 1.2, size 314.57 Kb.

Smart Converter for iPad 1.0 Permeative Technologies Pvt Ltd 

Mobile \ Productivity


* Refrigeration Calculator.

* Convert Units of Mass, Length, Area.

* Pressure Conversion (Vacuum Pump).

* Volume Conversion.

* Calculate Volumes of Geometrical Shapes.

* Temperature Conversions.

* Pressure Conversion from one unit another.

Baby Pregnancy Calculator 1.2 Vidal de Wit 

Mobile \ Health & Fitness

Baby Pregnancy Calculator (Countdown Counter) is a wonderful designed application that will help you keep track of your elapsed weeks and days of your pregnancy right along with your doctor! Once your due date is configured and entered, the program will keep you updated of your current progress in your pregnancy including your:

Display. Freeware download of Baby Pregnancy Calculator 1.2, size 1.68 Mb.