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Jim Koepnick
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Jim Koepnick is one of the leading aviation photographers today, photographing for Cirrus Aircraft, Flying Magazine, Plane and Pilot, Air and Space Smithsonian, AOPA and EAA. He also shoots for the USA Today Network - Wisconsin in the Oshkosh area, specializing in sports and action. His freelance clients include Ripon College, AACD and Our Wisconsin Magazine. Previously, Jim was Chief Photographer at the Experimental Aviation Association for 28 years. In that role, he photographed over 1000 aircraft while on air-to-air missions and supplied over 500 cover images for EAA Publications. His photography has been a consistent winner of awards from Aviation Week and Space Technology, Wisconsin Imaging Photographers Association, American Advertising Federation and Calendar Marketing Association. His photojournalism has received awards from Wisconsin Newspaper Association, Wisconsin Press Photographers Association and Inland Press.

Tips for Photographing a Solar Eclipse with SIGMA Telephoto Lenses

Solar eclipses, especially where the sun is entirely blocked, are rare occasions. So if you want to capture the moment with incredible photos, you need to be prepared! SIGMA Ambassador Jim Koepnick explains it all — from lenses to settings to location planning — to help you take eclipse photos that will make the occasion that much more memorable.

First Look: SIGMA 500mm F5.6 DG DN OS | Sports Lens for L-Mount

The SIGMA 500mm F5.6 DG DN OS | Sports lens is designed to provide extreme telephoto performance without the usual telephoto bulk. SIGMA Ambassador Jim Koepnick gave this lightweight lens an early test run exclusively on L-Mount cameras, and found out why this long-range prime is destined for the backpacks of many wildlife and sports photographers.

First Look: SIGMA 70-200mm F2.8 DG DN OS Sports Lens for L-Mount

Leica, Panasonic Lumix and SIGMA camera users have lots of lenses to choose from thanks to the L-Mount Alliance, but until now, a lightweight, compact 70-200mm lens was nowhere to be found. That has all changed with the remarkable SIGMA 70-200mm F2.8 DG DN OS | Sports lens! This professional workhorse lens is now available for L-Mount, and SIGMA Ambassador Jim Koepnick puts it through its paces for the first time.

The Ultimate Air Show Photography Lens: SIGMA 60-600mm F4.5-6.3 DG DN OS Sports

Aviation photography expert and SIGMA Ambassador Jim Koepnick puts the 60-600mm F4.5-6.3 DG DN OS | Sports lens to the test at the world’s biggest air show, EAA AirVenture, in his hometown of Oshkosh, Wisconsin. Check out Jim’s results and learn more about the ultimate air show telephoto zoom!

First Look: SIGMA 23mm F1.4 DC DN Contemporary Lens

The SIGMA 23mm F1.4 DC DN | Contemporary is an essential, yet long-awaited lens for APS-C camera users. SIGMA Ambassador Jim Koepnick puts this light, bright, 35mm-equivalent prime to the test for the first time, and finds out just what makes it so special.

Travel Light and See More with this Wide-Angle Zoom Lens

The SIGMA 16-28mm F2.8 DG DN Contemporary is the perfect lens for travel. Join SIGMA Ambassador Jim Koepnick as he explores Chicago with this convenient, lightweight, wide-angle zoom at his side!

Hit the Streets with the SIGMA 20mm F2 DG DN Contemporary Lens

Street photography is something that anyone can do, but not everyone has tried. With a 20mm F2 DG DN | Contemporary by his side, SIGMA Ambassador Jim Koepnick shows how one lens and a little creativity is all you need to hit the streets and make art out of your everyday surroundings.

All Things Aviation with the SIGMA 150-600mm DG DN OS Sports Lens

There’s nothing like an air show to awaken the photographer in all of us, and the SIGMA 150-600mm DG DN OS | Sports lens provides the range, speed and portability to give aircraft enthusiasts a fighting chance to capture that perfect shot. SIGMA Ambassador Jim Koepnick has more than a few air shows under his belt, and shows what can be done with this extremely versatile piece of gear.

A Weekend in Chicago with the SIGMA 28-70mm F2.8 DG DN Contemporary Lens

When SIGMA Ambassador Jim Koepnick needed a versatile, lightweight, high-quality lens to capture the many sights of a weekend in Chicago, he reached for the travel-sized SIGMA 28-70mm F2.8 DG DN Contemporary.

First Look: SIGMA 35mm F2 DG DN Contemporary Lens

The SIGMA 35mm F2 DG DN Contemporary lens — part of the new I series — brings compact size and a classic focal length to full-frame mirrorless cameras, perfect for street photography, portraits, landscapes and so much more.