science project- need equipment to take shots of subject from the exact same angles every week

Started Jan 16, 2013 | Questions thread
Sailor Blue
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Re: science project- need equipment to take shots of subject from the exact same angles every week
In reply to stm08007, Jan 17, 2013

Here is a simpler and cheaper solution.

Since the object is small I am assuming that the distance the camera will move between shots is small.

Use a sheet of plywood that is thick enough to be ridged, I suggest 1/2" to 1" thick.  The sheet should be large enough to hold the object to be photographed and the camera.

Buy a 2-way Macro Shot Focus Rail Slider tripod head such as this one.

http://www.ebay.com/itm/2-way-Macro-Shot-Focus-Rail-Slider-tripod-head-for-Canon-Nikon-Camera-DSLR-LP-01-/251149171327?pt=LH_DefaultDomain_0&hash=item3a79a83a7f

Counter sink a hole in the bottom of the plywood sheet and use a 1/4"x20 thread bolt to secure the slider to the plywood sheet. If the camera can be left in place the simply assemble this and place it on any available surface like a table or laboratory bench.  You can add screws or pegs to stop the slider in the two positions you use, allowing you to accurately reposition the camera every time.

If you have to remove the camera then you may need to add short legs so you can access the bottom of the plywood sheet.  You can cut another hole in the plywood sheet to allow you to attach and detach the camera.

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