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.

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.

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.

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.

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.

Baluster and Post Spacing Calculator for joiners or landscape gardeners 2 Claire Holmes 

Mobile \ Utilities

Perfect for when you need to determine the equal spacing and number of balusters/posts required for a particular length of run.

Helps ensure you order the correct stock level for each job.

Works in any units cm/m/inches - just make sure you use the same unit of measurement for all figures input.

Handy little email. Free download of Baluster and Post Spacing Calculator for joiners or landscape gardeners 2, size 524.29 Kb.

Electrician Calculator Pro 3.1 Roberto Chavarria Marin 

Mobile \ Productivity

Electrician Calculator Pro - National Electrical Code (NEC) compliant calculator for electricians, engineers and electrical professionals, electrical contractors, designers, lighting experts, inspectors, maintenance personnel and builders!

Forget about complicated key combinations normally required for NEC calculators! With this app. Free download of Electrician Calculator Pro 3.1, size 838.86 Kb.

Eleven | Calculator 1.0 Alexander Ewering 

Mobile \ Utilities

The simple, elegant, beautiful calculator for your iPhone or iPad!

- No equals button: Always automatically calculates the result in real-time while you type
- No confusion: You can always see AND edit your entire calculation
- Enter calculations of (almost) any length: The display and keypad automatically resize to fit
-. Free download of Eleven | Calculator 1.0, size 629.14 Kb.

Engineers Calculator 1 discretedevs 

Mobile \ Education

Welcome to Engineers Calculator, an Engineering Calculator for Engineers and Students worldwide, Through our Application, you are able to solve complex equations like Pressure, Temperature, Charles Law, Half-Life, Boyle's Law, Molecular Weight, Arrhenius Equation, Spectra Library, Mass Length, Gravitational Force, and many more.... Free download of Engineers Calculator 1, size 524.29 Kb.

Equine Laminitis Risk Calculator 2.0.2 Enlightened Equine 

Mobile \ Medical

Laminitis is the #2 killer of horses, but can often be prevented by recognizing the lifestyle factors that place horses at risk. This calculator uses the five (5) risk factors identified by Dr. Don Walsh, founder of the Animal Health Foundation, in his publication entitled Field Treatment and Management of Endocrinopathic Laminitis in Horses and. Free download of Equine Laminitis Risk Calculator 2.0.2, size 2.52 Mb.

Eurodrip USA Drip Irrigation Calculator 1.0.1 Eurodrip U.S.A, Inc. 

Mobile \ Utilities

The Eurodrip USA Drip Irrigation Calculator provides a wide variety of essential agriculture drip irrigation calculations. The General categories include: Friction Loss, Row Crop, Tree & Vine, and Pump Calculations.

For users of Eurodrip USA products, there is an even more powerful set of calculations that provide more detailed and. Freeware download of Eurodrip USA Drip Irrigation Calculator 1.0.1, size 4.51 Mb.

Expansion Vessel Calculator & Guide 2.0 Mr Combi Training 

Mobile \ Productivity

The Expansion Vessel Calculator will help you to conform with BS 5449:1990, Section 3 by ensuring the expansion vessel on a central heating system is sized correctly.

Combi boilers are normally fitted with a vessel of between 6 and 8 litres. This internal vessel may not be sufficient on larger heating systems. You can use this app to. Free download of Expansion Vessel Calculator & Guide 2.0, size 419.43 Kb.

Lens Focal Length Calculator Web Results


Manage your CD or tape collection. FreeDB access and tape length calculator. Windows shareware.

Digital Camera Wish List

Lists or examples of digital cameras that excel in specific areas, such wide aperture or long focal length.

Focal Point Lens Repair Services

High-end photo-optical camera lens repair services. Located in Colorado.

VIPP'S Automotive Payment Calculator

Vendor offering a downloadable automotive payment calculator.


Calculator resources including free download of scientific engineering, statistical, and financial calculators.

Jason's Calculator

The homepage for an easy to use multipurpose shareware calculator.

Haxial Calculator

High precision calculator with unit and radix converters.