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#11
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Macro Panning Video as stop frame animation
Paul Furman wrote:
Richard wrote: At the risk of getting flamed, I am interested to know what you would use instead of Paul's setup? Also, do you have any advice for a newbie on how to achieve similar stuff? A bellows and a cheap old broken microscope for the positioning stage. One that has sideways adjustments on the viewing plate. Mount an old manual 50mm lens that has an aperture ring with a reversing ring so it's backwards on the bellows. Or just put a P&S camera on a microscope. A few more comments. You will need live view or it will be painful. If stopped down, you'll need a very strong light. The lens I used came with an old spiratone bellows, cheap. It is small and designed for bellows, actually maybe originally designed as an enlarging lens for darkroom use. It is 35mm but I just tested a 50mm reversed & that goes to 4:1 vs 5:1 for the one in the video. You need a lens with an aperture ring. You will want to mount the focusing stage and bellows/focusing rack on a board together so they are rock solid. A focusing rack could be mounted below the bellows for sideways motion, an old broken microscope is probably the best bet for vertical movement. Tilt would be nice but the most difficult to achieve. I found a goniometer for tilt, which was pretty expensive and originally for another purpose. I would like another smaller one for the focusing stage. http://www.google.com/products?q=gon...age&hl=en&aq=f The overpriced panorama plate for rotation that I mentioned is still not ideal because it doesn't have a micrometer knob that turns it, just to loosen/tighten. Ideally one of these: http://www.recycledgoods.com/16196_N...20Stage. html http://www.google.com/products?q=rotation+stage Another solution could be an automated telescope mount which can be programmed to follow pans & tilts on a set timer. I had to turn two knobs for each frame and keep an eye on the live view to keep focus in the center of the frame. -- Paul Furman www.edgehill.net www.baynatives.com all google groups messages filtered due to spam |
#12
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Macro Panning Video as stop frame animation
Paul Furman wrote:
The overpriced panorama plate for rotation that I mentioned is still not ideal because it doesn't have a micrometer knob that turns it, just to loosen/tighten. Ideally one of these: Here's a better model that I could not find used: 40mm rotation stage part number 124-0030 $200.00 http://www.optosigma.com/miva/mercha...otation+Stages and for use on a tripod and camera: 40 mm Adapter Plate 40 x 40 x 6.25 $40.00 123-8220 http://www.optosigma.com/miva/mercha...de=Accessories http://www.google.com/products?q=rotation+stage Another solution could be an automated telescope mount which can be programmed to follow pans & tilts on a set timer. I had to turn two knobs for each frame and keep an eye on the live view to keep focus in the center of the frame. -- Paul Furman www.edgehill.net www.baynatives.com all google groups messages filtered due to spam |
#13
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Macro Panning Video as stop frame animation
"Paul Furman" wrote in message ... Paul Furman wrote: The overpriced panorama plate for rotation that I mentioned is still not ideal because it doesn't have a micrometer knob that turns it, just to loosen/tighten. Ideally one of these: Here's a better model that I could not find used: 40mm rotation stage part number 124-0030 $200.00 http://www.optosigma.com/miva/mercha...otation+Stages and for use on a tripod and camera: 40 mm Adapter Plate 40 x 40 x 6.25 $40.00 123-8220 http://www.optosigma.com/miva/mercha...de=Accessories http://www.google.com/products?q=rotation+stage Another solution could be an automated telescope mount which can be programmed to follow pans & tilts on a set timer. I had to turn two knobs for each frame and keep an eye on the live view to keep focus in the center of the frame. -- Paul Furman www.edgehill.net www.baynatives.com all google groups messages filtered due to spam Thanks Paul. |
#14
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Macro Panning Video as stop frame animation
Richard wrote:
Paul Furman wrote Paul Furman wrote: The overpriced panorama plate for rotation that I mentioned is still not ideal because it doesn't have a micrometer knob that turns it, just to loosen/tighten. Ideally one of these: Here's a better model that I could not find used: 40mm rotation stage part number 124-0030 $200.00 http://www.optosigma.com/miva/mercha...otation+Stages and for use on a tripod and camera: 40 mm Adapter Plate 40 x 40 x 6.25 $40.00 123-8220 http://www.optosigma.com/miva/mercha...de=Accessories And for just twirling a small subject around with a micrometer: http://www.lightglassoptics.com/Newp...age_p_569.html BTW I think a focusing rail is the best bet for xy positioning, for z positioning vertical, a really crappy broken microscope should be fine. I haven't tried these but I think the scientific positioning stages are too fine an adjustment for macrophotography. That precision is for microscopes, fiber optics, etc and might be tedious working in such small increments. XY focusing rails for $80 to $650: http://www.google.com/products?hl=en...=hp&q=focusing rail Nice that there's a long travel, much more than with the micrometer gear unless you pay for huge gear. Again, I've not tried these but guessing you get what you pay for. I got an odd bellows online because it had tilts & shifts and gets real close but it's a really flimsy piece of machinery, totally useless with a lens of any weight, or less than perfect stability. http://www.google.com/products?q=rotation+stage Another solution could be an automated telescope mount which can be programmed to follow pans & tilts on a set timer. I had to turn two knobs for each frame and keep an eye on the live view to keep focus in the center of the frame. Thanks Paul. You're welcome! It's fun. -- Paul Furman www.edgehill.net www.baynatives.com all google groups messages filtered due to spam |
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