Depth of Field Calculator & Hyperfocal Distance Calculator
Achieve high fidelity photography with automatic formulae calculation.
Everything, but everything, including depth of field, hyperfocal distance, angle of view and other optical calculations (including diffraction which will be available in Version 3.0) for the amateur or professional.
Whether you use a Palm, Pocket PC, Windows or Mac, we’ve a solution for you – and they all run in French, Italian, German and Spanish. No wonder the Douglas Photo Calculator is fast becoming the industry standard.
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Depth of Field Calculator
Depth of field is the distance between the nearest and furthest parts of the subject
that are all in acceptable focus at the same time and its control is a vital tool for photographers. There are a number of criteria that affect depth of field but the circle of confusion is probably the most misunderstood. No need to worry about the circle of confusion any more – just select the resolution you want from a list and, hey presto, the software works it out for you!
Hyperfocal Distance Calculator
The Hyperfocal distance is the distance from the lens to the nearest part of the subject that is in acceptable focus when the lens is focused upon infinity. The Douglas Photo Calculator will calculate your correct Hyperfocal distance with just a few clicks.Angle of View Calculator
In still photography this is defined as “the angle subtended at the lens by the diagonal of the film format.” The focal length of a lens also determines the angle of view of the lens as used in conjunction with a given film format size. This helps find equivalent lenses when comparing film formats.|
The Douglas Depth of Field and Hyperfocal Distance Calculator is available for a range
 of platforms including Palm 5.1+, Pocket PC 3/4, Windows Mobile 5/6, Windows 95, 98, ME and XP and Apple Macintosh OSX 10.2+. To see screen shots for each of these operating systems please see here.The Douglas Depth of Field and Hyperfocal Distance Calculator contains data for many different brands of camera. For a full list of all the models supported click here.
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Some of the supported cameras
Download and Try the Douglas Depth of Field and Hyperfocal Distance Calculator
This download (409KB) is a demo version for Palm 5.1+where the aperture is fixed at f8. To install 
the Douglas Depth of Field and Hyperfocal Distance Calculator on your Palm download cam_palm.zip from the Download link below to your desktop and extract the file camera.prc. Then double click on camera.prc which allows Quick Install to install the software on your Palm. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version, get the user name that appears in the “User” window, then go to our online shop and select the “Unlock Palm 5.1+ Now” link. You will then be asked for the user name and will receive a 6 digit serial code via email.
the Douglas Depth of Field and Hyperfocal Distance Calculator on your Palm download cam_palm.zip from the Download link below to your desktop and extract the file camera.prc. Then double click on camera.prc which allows Quick Install to install the software on your Palm. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version, get the user name that appears in the “User” window, then go to our online shop and select the “Unlock Palm 5.1+ Now” link. You will then be asked for the user name and will receive a 6 digit serial code via email.This download (75KB) is a demo version for Pocket PC 2002/3 and Windows Mobile 5/6 where the 
aperture is fixed at f8. To the Douglas Depth of Field and Hyperfocal Distance Calculator on your Pocket PC device download cam_ppc.zip from the Download link below on to your desktop. The file contains one installation file, Setup.exe, which will work for Pocket PC 2002/3 and Windows Mobile 5/6. Extract the file and then double click on it to install the software to your handheld with the help of ActiveSync. If your handheld is not connected at the time ActiveSync will, or should, save it for installation at a later date. Click herefor information regarding Pocket PC installation issues. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version get the user name from the “User” window, then go to our online shop and select the “Unlock Pocket PC 2002/3 or Windows Mobile 5/6 Now” link. You will then be asked for the user name and will receive a 6 digit serial code via email.
aperture is fixed at f8. To the Douglas Depth of Field and Hyperfocal Distance Calculator on your Pocket PC device download cam_ppc.zip from the Download link below on to your desktop. The file contains one installation file, Setup.exe, which will work for Pocket PC 2002/3 and Windows Mobile 5/6. Extract the file and then double click on it to install the software to your handheld with the help of ActiveSync. If your handheld is not connected at the time ActiveSync will, or should, save it for installation at a later date. Click herefor information regarding Pocket PC installation issues. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version get the user name from the “User” window, then go to our online shop and select the “Unlock Pocket PC 2002/3 or Windows Mobile 5/6 Now” link. You will then be asked for the user name and will receive a 6 digit serial code via email.This download (2.05MB) is a demo version for Mac OSX 10.2+ where the aperture is fixed at f8. To install t
he Douglas Depth of Field and Hyperfocal Distance Calculator on your Mac download cam_mac.zip from the Download link below, double-click it and drag the resulting cam_mac folder to your applications folder. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version get the 8 digit serial number from the “Serial No” window. Go ahead and click on the “Buy Now” button which will take you to the RegNow order page where you will be asked to enter the 8 digit serial number together with your payment and contact details. When the order has been completed you will receive an unlock code via email. You should enter this 6 digit number in the “Key” window and click on “Register” to complete the process.
he Douglas Depth of Field and Hyperfocal Distance Calculator on your Mac download cam_mac.zip from the Download link below, double-click it and drag the resulting cam_mac folder to your applications folder. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version get the 8 digit serial number from the “Serial No” window. Go ahead and click on the “Buy Now” button which will take you to the RegNow order page where you will be asked to enter the 8 digit serial number together with your payment and contact details. When the order has been completed you will receive an unlock code via email. You should enter this 6 digit number in the “Key” window and click on “Register” to complete the process.This download (3.30MB) is a demo version for Windows 95, 98, ME, XP, Vista or Windows 7 where the 
aperture is fixed at f8. To install the Douglas Depth of Field and Hyperfocal Distance Calculator on your PC download camera211.exe from the Download link below on to your desktop and then install it by double clicking on the file. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version you will need the 8 digit serial number from the “Serial No” window. Go ahead and click on the “Buy Now” button which goes to the RegNow order page where you will be asked to enter the 8 digit serial number together with your payment and contact details. When the order has been completed you will receive an unlock code via email. You should enter this 6 digit number in the “Key” windows and click on “Register” to complete the process.
aperture is fixed at f8. To install the Douglas Depth of Field and Hyperfocal Distance Calculator on your PC download camera211.exe from the Download link below on to your desktop and then install it by double clicking on the file. To unlock the full version of the Douglas Depth of Field and Hyperfocal Distance Calculator after you have installed the trial version you will need the 8 digit serial number from the “Serial No” window. Go ahead and click on the “Buy Now” button which goes to the RegNow order page where you will be asked to enter the 8 digit serial number together with your payment and contact details. When the order has been completed you will receive an unlock code via email. You should enter this 6 digit number in the “Key” windows and click on “Register” to complete the process.Buy and Unlock the Douglas Depth of Field and Hyperfocal Distance Calculator
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You have downloaded the Douglas Depth of Field and Hyperfocal Distance Calculator for Palm 5.1+
and you want to unlock its full features. You have got the user name from the “User” window in the program. OK. You are ready to purchase an “unlock key”. Go ahead and click the “Unlock Palm 5.1+ Now” link below, enter the user name that you obtained from the “User” window, your contact and payment details and click the “Place Secure Order” button. You will then receive an unlock code via email. You should enter this 6 digit number in the “Key” window and click on “Register” to complete this process. Thanks for buying our software.
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You have downloaded the Douglas Depth of Field and Hyperfocal Distance Calculator for Pocket PC 2002/3 or Windows Mobile 5/6and you want to unlock its full features. You have got your user name from the “User” window in the program. OK. You are ready to purchase an “unlock key”. Go ahead and click the “Unlock Pocket PC 2002/3 and Windows Mobile 5/6 Now” link below, enter the user name that you obtained from the “User” window, your contact and payment details and click the “Place Secure Order” button. You will then receive an unlock code via email. You should enter this 6 digit number in the “Key” window and click on “Register” to complete this process. Thanks for buying our software.
2002/3 or Windows Mobile 5/6and you want to unlock its full features. You have got your user name from the “User” window in the program. OK. You are ready to purchase an “unlock key”. Go ahead and click the “Unlock Pocket PC 2002/3 and Windows Mobile 5/6 Now” link below, enter the user name that you obtained from the “User” window, your contact and payment details and click the “Place Secure Order” button. You will then receive an unlock code via email. You should enter this 6 digit number in the “Key” window and click on “Register” to complete this process. Thanks for buying our software.- $19.00
You have downloaded the Douglas Depth of Field and Hyperfocal Distance Calculator for Mac OSX 10.2+and you want to unlock its full features. You will need the 8 digit serial code from the “Serial No” window in the program. Click on the “Buy Now” button which takes you to the RegNow order page where you will be asked to enter the 8 digit number together with your contact and payment details. When the order has been completed you will then receive an unlock code via email. You should enter this 8 digit number in the “Key” window and click on “Register” to complete this process. Thanks for buying our software.
0.2+and you want to unlock its full features. You will need the 8 digit serial code from the “Serial No” window in the program. Click on the “Buy Now” button which takes you to the RegNow order page where you will be asked to enter the 8 digit number together with your contact and payment details. When the order has been completed you will then receive an unlock code via email. You should enter this 8 digit number in the “Key” window and click on “Register” to complete this process. Thanks for buying our software.- $19.00
You have downloaded the Douglas Depth of Field and Hyperfocal Distance Calculator for Windows
95, 98, ME, XP, Vista and Windows 7and you want to unlock its full features. You will need the 8 digit serial number from the “Serial No” window. Go ahead and click on the “Buy Now” button which goes to the RegNow order page where you will be asked to enter the 8 digit serial number together with your payment and contact details. When the order has been completed you will receive an unlock code via email. You should enter this 6 digit number in the “Key” windows and clocik on “Register” to complete the process. Thanks for buying our software.
- $19.00
