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Connected Photographer - An in-depth guide to depth of field. Plus this


From: Connected Photographer
Subject: Connected Photographer - An in-depth guide to depth of field. Plus this week's news
Date: Tue, 18 May 2004 09:26:49 GMT

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A MEMBER OF THE ZATZ MAGAZINE NETWORK
May 14, 2004
INSIDE THIS ISSUE
An in-depth guide to depth of field
This week's news

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PHOTOGRAPHY BASICS
An in-depth guide to depth of field
By James Booth

What is depth of field? I often wondered this myself. Early in my photo "career," I was often told that I needed to work on my depth of field. I didn't even know what it was. I was learning all this photography stuff pretty much on my own. Finally, I figured out what the term means. Put simply, depth of field is the range of sharpness from the nearest object to the farthest.

"Depth of field is the range of sharpness from the nearest object to the farthest."

A closer look
So how do we control depth of field? The aperture, the iris inside the lens, controls depth of field. Just like the iris in our eyes, the aperture controls depth of field by either increasing or decreasing the amount of light allowed into the lens. Each stop on the aperture decreases the amount of light allowed into the lens by half, known as stopping down, or increases it by double. So that from f/5.6 to f/8, the light is cut in half.

With the aperture wide open, the maximum amount of light is allowed into the lens. In most cases this will result in a flat, washed-out image, depending on the lighting circumstances of course. Figure A shows an image with the aperture wide open. Notice the central object is the only thing in focus.

FIGURE A

A wide-open aperture yields no depth of field. Click picture for a larger image.

In Figure B, the aperture is set at the halfway mark. Depth of field is increased a bit, sharpening the rear object slightly, but the foreground object is still blurred.

FIGURE B

Stopping down the lens increases the depth of field. Click picture for a larger image.

If the aperture is stopped all the way down, letting in a minimum of light, you will in most cases achieve maximum depth of field, but the required shutter speed will be so slow that any movement or jarring of the camera or subject will result in blurring.

Get your depth of field right. Tap here to read the rest of this article.


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CONNECTED PHOTOGRAPHER NEWS CENTER
This week's news
Want to get the very latest photography news? The Connected Photographer News Center is updated every day with news of product releases, industry info, tips, techniques, and pointers to great photography resources on the Web. Here's this week's news:

Qimage Version 2004.200
A new version of Qimage, the digital imaging application, has been released. The newest version offers full IPTC support, improved stability, interface improvements, and many more features.

Olympus E-1 Review
All components and accessories of the Olympus E-System, from the camera body, through flash units, to interchangeable lenses, have been expressly designed for digital use. DC Views has a complete review of the Olympus E-1 digital SLR.

Creating vampire teeth
Here's a simple trick from Peter Bargh at ePHOTOzine showing how you can turn your friends into vampires. I know this isn't a news story per se, but I thought it was cool enough to share with everyone, so I hope you enjoy.

Paint Shop Photo Album 5
Jasc Software announced the release of Paint Shop Photo Album 5-Deluxe Edition, the newest version of its digital camera software. With a completely redesigned interface that follows the digital photographer's workflow, Photo Album 5 puts the tools users need to organize, enhance, share and protect photos at their fingertips.

Chips for 6-megapixel camera phones
Qualcomm unveiled a new line of chips with ultra-high-resolution camera features and said it was making inroads in advanced new markets. Six-megapixel image quality would make camera phones based on Qualcomm chips competitive with the most advanced digital cameras being sold in consumer markets worldwide.

Funtigo adds features
Funtigo announced a new version of its Funtigo photo sharing site, which now includes music and group email features. Music can be assigned to entire albums, slideshows, or individual Web pages.

Konica Minolta DiMAGE G500
The Konica Minolta DiMAGE G500, with 5.0 megapixels, a 3x optical zoom lens, and a compact, all-metal body with fully retracting lens, is one of the first products to ship, following the merger between Konica and Minolta in 2003.

Canto Cumulus WebAlbum
Canto announced the immediate availability of Cumulus WebAlbum, a tool to create Web-based albums that are built on static HTML pages. With WebAlbum, users can select records in Cumulus and the original image assets are converted to files suitable for display on the Web.

Fuji Finepix A205S Zoom
The Fuji FinePix A205S Zoom is a compact digital camera aimed squarely at the new digital photographer, and even the new photographer for that matter. PhotographyBlog has a complete review of the FinePix A205S Zoom.

Double layer DVD burning for Mac
Roxio announced today that its Toast 6 line of software will soon be DVD Double Layer (DL) compatible, allowing Mac users to take advantage of this exciting technology for the first time.

14mm DA-Series Lens for *ist D
PENTAX Imaging Company has announced a second lens designed for the *ist D digital SLR will ship later this month. The smc PENTAX-DA 14mm F2.8 ED interchangeable wide-angle lens was developed as a second model of the new DA-series lineup.

COOLPIX 8700 color issue
It has been discovered that unexpected changes may occur to the colors of RAW images created with the Nikon COOLPIX 8700 digital camera, when images are opened or modified using Nikon View 6 version 6.2.0 available with initial shipments of the camera. To solve this problem Nikon has advised users to upgrade to Nikon View 6.2.1 or later.

Sigma 24-60 mm F2.8 EX DG lens
Sigma has announced a new constant aperture wide angle zoom lens, the 24-60 mm F2.8 EX DG. This lens is designed to be compact but also fast and to provide a usable zoom range for digital SLR users.

VueScan 8.0 for Mac OS X, Windows
Hamrick Software has released VueScan 8.0, a major revision to its program that enables users to easily produce better looking digital images from color snapshots, negatives, slides and documents. VueScan 8.0 now offers an enhanced, user-friendly interface, support for raw files for 109 digital cameras, and support for more than 100 scanners.

Photojournalist killed in Chechen blast
Reuters photojournalist Adlan Khasanov, 33, was killed during a bomb attack on Victory Day celebrations in Grozny, Chechnya, on Sunday May 9 that also killed Chechen President Akhmad Kadyrov, 52, and others seated in his VIP box during the annual parade event.

DxO Optics Pro to ship
DO Labs announced that DxO Optics Pro, its upcoming product for correcting distortion, blur, vignetting and lateral chromatic aberration in photos taken with certain digital SLR cameras, will ship May 24, 2004.

iView MediaPro for Windows
iView Multimedia announced that its professional media management software, iView MediaPro, is available for the Windows platform. Designed for creative professionals in film, video, photography, broadcast, education and scientific fields, iView MediaPro helps streamline workflows.

Digital photo frame
Pacific Digital Corporation, provider of digital photo frames and albums, has collaborated with Microsoft to develop the first working implementation of Microsoft's Smart Network Key wireless configuration architecture in a digital photo frame.

Ricoh Caplio GX
The Caplio GX, from Ricoh, has a 5.13 effective megapixel CCD, 28mm-85mm wide-angle zoom lens, 3x optical plus 4x digital lens structure that produces images up to 2592 x 1944 pixels.

Finding the best CD-Rs
Mike Johnston of Luminous Landscape shares his research and opinion on how to find the most archive reliable CD-Rs.

Last call for photographers
The deadline for the Commonwealth Photographic Awards has been extended to Friday 18 June 2004. The Awards are open to all Commonwealth residents, and the first prize is £2000.

New version of FotoReplica
Deltra Software is releasing a new version of FotoReplica software, which has many advanced features to print and deliver INSTANT PHOTOS. The new FotoReplica ver.5.0 software is available in six models to suit different camera megapixels.

Delkin USB Bridge
Delkin Devices announced a new device that connects two USB devices together without a computer. The USB Bridge fits easily in the palm of one's hand, and enables users to copy files by attaching a digital camera directly to a variety of peripherals such as an iPod, USB Flash Drives, external hard drives, CD-R burners and memory card readers.

Canon PowerShot S60
Canon's new PowerShot S60 digital camera combines five-megapixel resolution, a newly developed 28-100mm UA wide-angle 3.6x zoom lens for creative control and a slender shape for added portability.

Canon i9900 Photo Printer
Canon's wide-carriage 13 x 19-inch inkjet i9900 Photo Printer features fast, borderless printing, new red and green ink cartridges for rich, accurate color rendition, industry leading 4800 x 2400 dpi resolution, microscopic 2 picoliter ink droplets, PictBridge direct printing and both USB 2.0 Hi-speed and Firewire interfaces.

Fuji Finepix F610 Zoom
The FinePix F610 Zoom is the successor to the popular FinePix F601. The FinePix F610 Zoom features the brand new 6 megapixel 4th Generation Super CCD HR sensor, also used in the FinePix S7000 Zoom.

More digital revenue than film
According to a press release from InfoTrends, a majority of photofinishers have found that digital customers are generating the same if not more revenue than traditional film customers.

American Photo Belgium trip
American Photo is sponsoring a special-priced photo trip to Belgium from June 10 - 18, 2004. Complete details on the trip can be found on the American Photo site.

Mamiya, Sekonic discounts
Johnson Photopia, distributor of Mamiya and Sekonic products, has given ePHOTOzine readers first chance to get hold of some ex-demonstration stock on a first come, first served basis with just a limited quantity available.

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