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Other Photography Equipment
DSLR to Microscope — Is This Possible?
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<blockquote data-quote="Bob Blaylock" data-source="post: 199669" data-attributes="member: 16749"><p>Your post inspired me to make the attempt, but I can't call the results a success. I'd certainly appreciate much more guidance regarding how you did it.</p><p></p><p> Here's how I tried to do it:</p><p></p><p>[ATTACH]53049[/ATTACH]</p><p></p><p> The camera is supported by the tripod, with the filter on the front of the lens just a millimeter or two above the top of the microscope's eyepiece.</p><p></p><p> And here's the result, full frame, and cropped to the part that counts at all:</p><p></p><p>[ATTACH]53050[/ATTACH] [ATTACH]53051[/ATTACH]</p><p></p><p> Optically, it looks like the biggest issue is that the camera just cannot get “close” enough to the eyepiece. The effect is like that of trying to look through the microscope, but having one's eye much too far away from the eyepiece. The image from the microscope occupies too small a part of the field of view, and you can see only a very narrow part of the microscope's field of view.</p><p></p><p> All the pictures attached to my OP were taken with my cheap Sakar, with the lens bezel resting on the microscope's eyepiece. You can see that the microscope's field of view just about properly fills the frame. Note, also, the scale that appears in those pictures—it's built into my 15× eyepiece, which is the one I used by far the most. I have two other eyepieces, 5× and 10×, which do not have any such scale. You can see that in the picture that I took with my DSLR, only about ⅓ of the total length of the scale is visible; corresponding to a similar amount of the microscope's whole field of view that is cut off in this image.</p><p></p><p> I wasn't expecting much when I began this experiment, and I think it actually worked a bit better than I expected, but the result is very far short of satisfactory. It is very far sort of what I have been getting using a much cheaper camera.</p><p></p><p> I guess I had to try it. I wasn't expecting anything useful, some years ago, when I first pointed my Kodak DC3200 (interesting coincidence that the very first digital camera that I ever owned has a model designation so similar to that of my new DSLR) into my microscope; but in this case, I was astonished to get a result that was far better than I thought possible. Here's the very first picture that I took in that manner:</p><p></p><p>[ATTACH]53052[/ATTACH]</p><p></p><p> The object just below the scale, between the 4.0 and 4.5 ticks, is a <em>Paramecium</em> — a one-celled critter with no brain that can't fly.</p><p></p><p> I've greatly improved my techniques and results considerably since then; as you can see from the images in my OP.</p></blockquote><p></p>
[QUOTE="Bob Blaylock, post: 199669, member: 16749"] Your post inspired me to make the attempt, but I can't call the results a success. I'd certainly appreciate much more guidance regarding how you did it. Here's how I tried to do it: [ATTACH=CONFIG]53049._xfImport[/ATTACH] The camera is supported by the tripod, with the filter on the front of the lens just a millimeter or two above the top of the microscope's eyepiece. And here's the result, full frame, and cropped to the part that counts at all: [ATTACH=CONFIG]53050._xfImport[/ATTACH] [ATTACH=CONFIG]53051._xfImport[/ATTACH] Optically, it looks like the biggest issue is that the camera just cannot get “close” enough to the eyepiece. The effect is like that of trying to look through the microscope, but having one's eye much too far away from the eyepiece. The image from the microscope occupies too small a part of the field of view, and you can see only a very narrow part of the microscope's field of view. All the pictures attached to my OP were taken with my cheap Sakar, with the lens bezel resting on the microscope's eyepiece. You can see that the microscope's field of view just about properly fills the frame. Note, also, the scale that appears in those pictures—it's built into my 15× eyepiece, which is the one I used by far the most. I have two other eyepieces, 5× and 10×, which do not have any such scale. You can see that in the picture that I took with my DSLR, only about ⅓ of the total length of the scale is visible; corresponding to a similar amount of the microscope's whole field of view that is cut off in this image. I wasn't expecting much when I began this experiment, and I think it actually worked a bit better than I expected, but the result is very far short of satisfactory. It is very far sort of what I have been getting using a much cheaper camera. I guess I had to try it. I wasn't expecting anything useful, some years ago, when I first pointed my Kodak DC3200 (interesting coincidence that the very first digital camera that I ever owned has a model designation so similar to that of my new DSLR) into my microscope; but in this case, I was astonished to get a result that was far better than I thought possible. Here's the very first picture that I took in that manner: [ATTACH=CONFIG]53052._xfImport[/ATTACH] The object just below the scale, between the 4.0 and 4.5 ticks, is a [I]Paramecium[/I] — a one-celled critter with no brain that can't fly. I've greatly improved my techniques and results considerably since then; as you can see from the images in my OP. [/QUOTE]
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DSLR to Microscope — Is This Possible?
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