OP Expert George Lepp tackles your technical photography questions in Tech Tips.
Tuesday, April 27, 2010
Resolution Vs. Sharpness
Crowded Pixels • Extender Percentages • Shedding Light On Adobe Lightroom • Protection • Laminates • Storage Is In The Cards The 18-megapixel APS-C sensor has the advantage of higher resolution if you photograph with quality optics.
Tuesday, March 30, 2010
The Future Of Nature Photography
The Next Generation • Show Me The Money • The Crystal Ball • Too Much Of A Good Thing We’ve just returned from the 16th Annual Summit of NANPA, the North American Nature Photography Association (www.nanpa.org), an organization that promotes responsible and creative photography of wildlife and the landscape. The Annual Summit always is an occasion to reconnect with old friends and colleagues and to be inspired and renewed by the amazing work shared by professionals and skilled amateurs in this field.
Tuesday, March 2, 2010
Watch Out For Blowout
Exposures In All The Bright Places • Traveling With Photo Gear • Fine-Art Prints, Or Not In the days of film, exposure in bright areas was always a challenge, and we’d constantly try to outthink the meter by over- or underexposing our images.
Tuesday, January 26, 2010
Infrared, Inside Out • From CRT To LCD, And Even LED • 2X Or Not 2X • Separate The Pros From The Cons What are the advantages, if any, of having a digital camera converted solely to infrared capture versus using the B+W 093 IR filter on my DSLR?
Tuesday, December 1, 2009
Tame Your Dynamic Range
HDR Au Naturel • Hybrid Lenses • Pros And Point-And-Shoots A neutral-density filter is used to darken an image to allow increased exposure time.
Friday, October 30, 2009
Beware Of The Sun?
A Burning Question • What’s A Pro Camera? • Prints From The Dark Side • When Things Get Wet I recently “went digital” with a Nikon D90. While exploring the user’s manual, I was surprised to read a warning to keep the sun well out of the frame when shooting backlit subjects.
Tuesday, October 6, 2009
Shooting Under Paradise
Getting Wet • HDR On Moving Subjects • JPEG Sources • Viewing Video On Your LCD During a recent foray to Hawai’i to give seminars and workshops for the Canon Explorers of Light, I knew I’d be doing some snorkeling. (Hey! Somebody has to do this job!) I’ve previously used PowerShot compact digital cameras with underwater housings.
Tuesday, September 1, 2009
Do I Need Permission?
Commercial Vs. Editorial Uses • Sharp To The Edges • Extended Macro • TILT! In the August 2009 issue of Outdoor Photographer, you discussed the difference between commercial and editorial uses of images and the need for releases. Please expand on the definition of editorial uses. Would I need a signed permission from the owners of the properties I photograph to use the images in a book?
Tuesday, August 4, 2009
When It Goes Wrong
Hit By Lightning • Hydrate! • Bad Rocky Mountain High • Sooooo Cold • Lost Going To The Devils Postpile• Bugs In The Amazon • All Images Lost Anytime you get a group of professional photographers into close proximity, you’ll find them gathered ’round the campfire (or in the local pub) to swap stories and talk shop.
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