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<p>[QUOTE="brg5658, post: 1473229, member: 29751"]I shoot with a Canon T2i and a Canon 50D DSLR. I image coins with a bellows system (accordion-like extension for lenses) mounted on a copy stand, using a flat-field APO-Rodagon f/4 75mm duplicating lens as my primary. This set-up gives me flexibility to fill the complete viewfinder with the coin for coins ranging in size from around 40mm diameter down through 11mm diameter (or smaller). My normal lighting for direct light images are three LED lamps with very small point sources, thus they don't get in my way.</p><p><br /></p><p>Here are two example images using this set-up; the first is a raw medal, the 2nd is a slabbed coin.</p><p><img src="http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1969_Heraldic_Art_Medal_SanDiego_Raw.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><img src="http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1909VDB_NGC_MS66RD_Lincoln_Cent_composite.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>When I want to bring out colors in certain images, I use an axial lighting setup. What this means is illustrated in the picture below. In short, your camera/lens shoot images through a diagonal piece of glass. The light source reflects off of the glass at a 45 degree angle straight down onto the coin/slab, it then reflects directly back up and through the lens to be captured at a 90 degree angle (perpendicular to) by your digital camera sensor. Just for completeness, I wanted to post a graphic of what my "axial" lighting set-up looks like. For axial imaging I use two diffused Ott compact fluorescent bulbs. For axial image post-processing, especially for slabbed coins, you will need to do a levels/gamma adjustment.</p><p><br /></p><p><b>Pictorial of my axial lighting set-up:</b></p><p><img src="http://i1202.photobucket.com/albums/bb364/brg5658/Photography/Photo_setup.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><b>Direct lighting image:</b></p><p><img src="http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1773_France_Jeton_NGC_MS62_direct_composite.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><b>Axial lighting image:</b></p><p><img src="http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1773_France_Jeton_NGC_MS62_axial_composite.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="brg5658, post: 1473229, member: 29751"]I shoot with a Canon T2i and a Canon 50D DSLR. I image coins with a bellows system (accordion-like extension for lenses) mounted on a copy stand, using a flat-field APO-Rodagon f/4 75mm duplicating lens as my primary. This set-up gives me flexibility to fill the complete viewfinder with the coin for coins ranging in size from around 40mm diameter down through 11mm diameter (or smaller). My normal lighting for direct light images are three LED lamps with very small point sources, thus they don't get in my way. Here are two example images using this set-up; the first is a raw medal, the 2nd is a slabbed coin. [IMG]http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1969_Heraldic_Art_Medal_SanDiego_Raw.jpg[/IMG] [IMG]http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1909VDB_NGC_MS66RD_Lincoln_Cent_composite.jpg[/IMG] When I want to bring out colors in certain images, I use an axial lighting setup. What this means is illustrated in the picture below. In short, your camera/lens shoot images through a diagonal piece of glass. The light source reflects off of the glass at a 45 degree angle straight down onto the coin/slab, it then reflects directly back up and through the lens to be captured at a 90 degree angle (perpendicular to) by your digital camera sensor. Just for completeness, I wanted to post a graphic of what my "axial" lighting set-up looks like. For axial imaging I use two diffused Ott compact fluorescent bulbs. For axial image post-processing, especially for slabbed coins, you will need to do a levels/gamma adjustment. [B]Pictorial of my axial lighting set-up:[/B] [IMG]http://i1202.photobucket.com/albums/bb364/brg5658/Photography/Photo_setup.jpg[/IMG] [B]Direct lighting image:[/B] [IMG]http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1773_France_Jeton_NGC_MS62_direct_composite.jpg[/IMG] [B]Axial lighting image:[/B] [IMG]http://i1202.photobucket.com/albums/bb364/brg5658/Photography/1773_France_Jeton_NGC_MS62_axial_composite.jpg[/IMG][/QUOTE]
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