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<p>[QUOTE="benveniste, post: 1487097, member: 25547"]Coin photography, especially coin photography for the web, is more about getting the lighting and camera support right than what camera or lens you choose. I can't think of a camera system with interchangeable lenses for which the currently offered macro lenses aren't at least excellent.</p><p><br /></p><p>I use a Nikon D800 (having upgraded from a Nikon D200). The lens I use most often for coin photography is a 105mm f/2.8 VR, but roughly the same comments would apply no matter what macro lens you used, or even if you use extension tubes or accessory close-up ''filters."</p><p><br /></p><p>For camera settings, I start with aperture priority mode. Normally I start at f/11. If I'm making a very large print, I'll drop down to f/8 or perhaps a bit wider and if I'm photographing a high-relief medal I may stop down to f/16. Smaller apertures are more forgiving when it comes to precise focus, but this comes at a cost in both diffraction and exposure time.</p><p><br /></p><p>When setting up the shot, you want to keep everything as stable as possible. A tripod is the most common approach, but it can be awkward when trying to position the camera with respect to the coin. I prefer to use a copystand. These come at all prices, and you pretty much get what you pay for. For a heavy camera like the D800 (or my Pentax 645n), a new copystand can easily run twice the original poster's $250 budget. To minimize camera shake, I use a remote release. If you're shooting with a dSLR without flash and it supports mirror lock-up mode, consider using that as well.</p><p><br /></p><p>I find there's no one lighting solution for coins. Sometimes, I want direct lighting, and use a ringlight or the Nikon R1 system. Other times, I want more diffuse light, so I use a couple of full-spectrum fluorescent bulbs at a 45 degree angle to the coin and add diffusers as needed. Choosing a background can be tough as well. Recently, I've started using the dark blue outer holder from a proof SAE, which seems to work pretty well. I recommend setting white balance manually instead of using your camera's auto white balance features. If you want to get fancy, go ahead and use a gray or white card to preset white balance, but I'd rather get close and do the final tweaks on the computer.</p><p><br /></p><p>Focus on coins, especially in a slab, can be tricky. Especially with old copper, there may not be enough contrast for the autofocus system to find a reasonable solution. Give it a try, but don't be too surprised if you have to focus manually.</p><p><br /></p><p>So once you've got all that set up, take a shot and see what shows up on the screen. Depending on how bright or dark the coin is, you may want to use exposure compensation, or even switch to manual mode. Again, as long as you are reasonably close you can make the final edits on the computer. Tweak focus as needed and repeat until you are satisfied with the result.</p><p><br /></p><p>If all that sounds hard, I'm sorry. It's actually more time consuming than difficult unless your physical support system isn't up to the job.[/QUOTE]</p><p><br /></p>
[QUOTE="benveniste, post: 1487097, member: 25547"]Coin photography, especially coin photography for the web, is more about getting the lighting and camera support right than what camera or lens you choose. I can't think of a camera system with interchangeable lenses for which the currently offered macro lenses aren't at least excellent. I use a Nikon D800 (having upgraded from a Nikon D200). The lens I use most often for coin photography is a 105mm f/2.8 VR, but roughly the same comments would apply no matter what macro lens you used, or even if you use extension tubes or accessory close-up ''filters." For camera settings, I start with aperture priority mode. Normally I start at f/11. If I'm making a very large print, I'll drop down to f/8 or perhaps a bit wider and if I'm photographing a high-relief medal I may stop down to f/16. Smaller apertures are more forgiving when it comes to precise focus, but this comes at a cost in both diffraction and exposure time. When setting up the shot, you want to keep everything as stable as possible. A tripod is the most common approach, but it can be awkward when trying to position the camera with respect to the coin. I prefer to use a copystand. These come at all prices, and you pretty much get what you pay for. For a heavy camera like the D800 (or my Pentax 645n), a new copystand can easily run twice the original poster's $250 budget. To minimize camera shake, I use a remote release. If you're shooting with a dSLR without flash and it supports mirror lock-up mode, consider using that as well. I find there's no one lighting solution for coins. Sometimes, I want direct lighting, and use a ringlight or the Nikon R1 system. Other times, I want more diffuse light, so I use a couple of full-spectrum fluorescent bulbs at a 45 degree angle to the coin and add diffusers as needed. Choosing a background can be tough as well. Recently, I've started using the dark blue outer holder from a proof SAE, which seems to work pretty well. I recommend setting white balance manually instead of using your camera's auto white balance features. If you want to get fancy, go ahead and use a gray or white card to preset white balance, but I'd rather get close and do the final tweaks on the computer. Focus on coins, especially in a slab, can be tricky. Especially with old copper, there may not be enough contrast for the autofocus system to find a reasonable solution. Give it a try, but don't be too surprised if you have to focus manually. So once you've got all that set up, take a shot and see what shows up on the screen. Depending on how bright or dark the coin is, you may want to use exposure compensation, or even switch to manual mode. Again, as long as you are reasonably close you can make the final edits on the computer. Tweak focus as needed and repeat until you are satisfied with the result. If all that sounds hard, I'm sorry. It's actually more time consuming than difficult unless your physical support system isn't up to the job.[/QUOTE]
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