Free focal software for pda

A simple telescope formula calculator for the amateur astronomer.

Contains the following formulas:
- Magnification
- Speed/f-number
- Degrees of field
- Exit Pupil
- Dawes Limit
- Effective focal length w/Barlow

This application is freeware. If you have comments, complaints, praise, or feature requests, please email me.

Hyperfocal distance and depth of field calculator.Just three taps set focal length, f-number, and focus distance.Graphical display of the near and far focus distances makes it easy to see the depth of field.

Customize the circle of confusion and lenses for any format: digital, 35mm, medium format, and large format cameras.

Please see documentation in download file for more information.

Do you take photos? If so, one or more PhotoBags 5 applets will prove very helpful
FILM ON HAND: A detailed record concerning the films youve bought, showing what you have on hand and its expiration date. Also useful to track prices as you shop for future purchases! [14 fields: date, product details, store, price, # of rolls bought, use by date, notes and scribble areas, etc.]
EXPOSURES: Enables you to record specific data concerning individual pictures youve taken. [11 fields: lens & focal length employed, f stop, shutter speed, date/time, subject/category, notes and scribble areas, etc.]
DEVELOP 35mm/ DEVELOP APS: 2 databases to track separate data on the costs of processing each film type. Save money and time (you may find 1-hour processing no more costly) by comparing charges. [Multiple fields enable recording store, date, notes & scribbles as well as detailed costs by exposure count and # of prints provided.]
CUSTOM FUNCTIONS: Many cameras allow the user to customize certain settings. The custom functions of the Canon ElanIIe (35mm) are provided here. Change them as required to detail your own cameras capability and leave the manual at home!
System requirements:
- HanDBase v.2.7x or greater

PDoF is a small Depth-of-Field calculator for photographers to help to estimate the near and far edges of the sharp area of the picture.
The program and the source code are distributed under the GPL. The program is tested only with Palm IIIe and PalmOS 3.1.1 but it should work with any hardware with PalmOS 2.0 or greater.
Enhancements:
- A bug fixed from calculations (appeared with English units only)
- Changed focal-length back to millimeters (English units)
- Added a small application icon.