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I saw the achromats, but did not see the condensers - it is somewhere else?
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So, two days later, the wax GG still holds...no cracks, dust or bubbles! My theory to keep the wax on the sides of the GG (like this: http://s01.picshome.com/a48/filterwax.jpg) turns out to be true.
This GG took me about ten minutes to make. I use a macro tube as lens mount and two thin condensers. I post a pic of the setup on my wax site: http://doublecam.250free.com/wax/wax.html Tomorrow I'll start looking for microcrystalline wax again (in stead of Paraffine). |
yeah, ten minutes to make....on top of MONTHS of work in perfecting the technique...The images are beautifull. Bravo Oscar! Now..., work on "someone's hair"...(hehehe)so we can see the resolution!(and leave the cat out of it)....rotf
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Oscar,
Sorry if I've missed this, but what cam are you shooting with? - jim |
For the tests I used a consumer Sony camcorder, not a bad one, but one CCD.
But I've developed (and discussed in a thread) a system with two identical camera's (the same Sony) filming two halfs of the 35mm frame on the GG. In short: The camera's are placed on their sides. One camera films the left side of the GG, the other one is placed in 90 deg and shoots the right side of the GG through a mirror. Everything is syched by a remote. Finally I put the footage together on the PC and end up with a 720 X 1040 image. So...when I get this set again for the wax adapter, I'll post these higher res. footage. |
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You are hardworking devil... I like it :) |
Daves, you're quite a DOF devil yourself! Hard work, but what fun when it works, in the end...
I didn't shoot "someone's hair" just yet, but I put a frame-grab of the focusing pattern I use (letter size) on my site. And I shot my brother, he was asking for it... See the first three images below the setup image: http://doublecam.250free.com/wax/wax.html |
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But the rez chart looks VERY GOOD!!!(I do not know if two innocent lives were worth it though...) |
I'll shoot a girl tomorrow, for the hair I mean...I'll blame you Dan, you asked to work on "someone's hair". Better stop these jokes, before the FBI misread them.
EDIT: I forgot, I bought some new wax today, I'll start experimenting with that in the next few days. |
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Oscar,
Is the softness from the focus or the GG in the new pictures? |
Leo, some of those pics were a bit soft (not the res chart or the boot), I think because of focusing on a tiny LCD, but they also look kind of gray because it was a rainy day.
Today I shot some better focused footage, ie. 'work on someone's hair' Dan said: http://doublecam.250free.com/wax/wax.html At the last shots the sun was going down so those have a bit of back light and grain. |
Very nice Oscar, third pic shows sharp only on a central section, the rest going soft. Very nice. So.... are you happy now? What lens did you use?
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Wow, you really have managed to get rid of the hotspot entirely! Great job on that especially with such a thin wax GG. I think the footage looks great Oscar!
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Thanks. Dan, the third pic has such a small DOF because I used a macro ring to get closer. Of course I'm not happy Dan....no, seriously, I'm happy that I can work with this GG and I need to find the balance between the apertures on the adapter and the camcorder.
But to answer that question differently, I just bought some new wax...I think it's microcrystalline. The lens I use is an old, but pretty good Minolta 58mm F 1.4. |
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