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Term of the Day: Reverse-glass 12/14/09
Detail of one of a pair of reverse-glass paintings in their original frames.
Reverse-glass painting has been in practice since at least the Middle Ages. In this method, paint and sometimes gold leaf is applied directly to a clear glass plate, and the image is viewed through the glass on the opposite side. The resulting painting will be opaque, not transparent or semi-transparent like stained glass.
To see more of this pair of paintings, visit: www.carltonhobbs.com/viewDetail.asp?strReference=9065
Man Playing Flute Ocarina Reverse, LeDuff Musical Instrument Collection
Ocarina Musical Instrument: en.wikipedia.org/wiki/Ocarina
These photos were taken using the worst Canon lens I could find in the market, the plastic 18-55 kit lens and Novoflex Reversing Ring AF. It is EOS mount and will transfer all electronic signal from your Canon DSLR to your EOS af lens and it will turn your lens into a super macro lens
Here's my lenses tested out on a, wait, this ruler is lame, it has no labels and it's the triangular engineer kind! Anyway, I'm pretty sure it's millimeters, so here we go. We'll go widest to longest in focal lengths, which when reversed, is quite fittingly the opposite, where a wide lens reversed gives you a higher magnification than a long lens reversed.
My findings: The 70-200 and the 35 were both surprisingly sharp when reversed, and the 35 especially has a great deal of magnification. The fisheye was beserk. Since it has the petal hood, it doesn't meet with the circle opening of the camera very well, and you'd think that with the light leaks everything would be overexposed? Not so. In fact I had to crank up the ISO and lower the shutter to get a proper one. The 17-40 was great too, I tested it at 17mm but it was so close I couldn't fit all of the 30 in the frame along with the lines. I couldn't do this for the fisheye either so I dragged the lines down to meet them, but other than that each photo is not cropped and untouched.
For what it's worth, reading my camera data for the fisheye shot, I got an aperture value of >f/1024.
The Ultratec Reverse Osmosis system uses a non-electric water driven pump to improve water quality, pressure, and efficiency. State certified tests verified the Arsenic reduction for this application to <2ppb.
At the London Bus Museum, RT1431, one of the examples built with a rooftop route indicator, reverses into a parking bay.
This is an image of a reverse mortgage button. When using this image please provide photo credit (link) to: reverse.mortgage
Lupita - saves que el pecoso guero no queria retratarse y lo detene para que no se me fuera
Lupita - you know that freckled guero did not want to take a photo, so I had to hold him so that he wouldn't run off.
Dad, stubborn as a mule. To this very day!
Picasa collage.
Reverse macro : hand held using Minolta 50mm - the 49mm diameter fits beautifully into my canon mount!
The company I work for, Thinkmap, threw their annual party last friday. (YAY!) This year, we projected a reverse Visual Thesaurus animation onto our meeting room 'glass garage door', which made it look like a giant plasma screen. Pretty cool, check it out here.
I had more time to view this this time as I headed straight for it after eating lunch. I convinced my friend to come up here. Each of the pencils has a country's name in Katakana. We could find Austria but not Australia. We couldn't find Japan, either. We're guessing it is in the center, maybe.
I then promptly lost my triennial passport so we spent our 40 minute viewing time looking for it. We found it again, but I felt sorry for my friend because he hadn't seen any of the countless artwork in the area. He said not to worry, and we did get to see more art further on the journey.
Pascal Marthine Tayou
【Cameroun】
Year. 2009
This artist was born in Cameroon, is presently based in Belgium and has exhibited at international art exhibitions such as the 2005 Venice Biennale. His gigantic 3- dimensional work, about 5 metres in height, and comprising countless pencils and cut-down trees, is displayed outdoor.
Test shot #1. The top frame is focused through a reversed 50mm/1.7 Minolta Rokkor-X MD lens. Notice the large vignetting. The bottom frame is shot without the Minolta from the same distance. Notice that I can't even focus at this close range, which is approximately 7 inches. See the discussion.
this was taken from a pier on the Hudson, looking back to where I shot the silhouette shot "hospitality riverside"(shown below) in my earlier post.
this gives you a bit of perspective as to where the Boat Basin Cafe is situated. The top area where the man is standing is actually an overpass where cars enter the West Side Highway.
I live two blocks beyond the first two buildings behind the trees, which is part of Riverside Park.
Heather and I were getting feed for her horse and the train had passed before I could react and get my camera, I was bummed. We were puling out of parking lot and it came back going in reverse, then I was able to get some good shots.
Shot with a 24mm reversed onto extension tubes. A hinged hot shoe allows the flash to lean out over the end of the stack and a DIY snoot with diffusion fires the light onto the subject.
got an holga in like august was really stoaked on it, shot like 10 rolls of shitty cvs 200 film got 4 developed and have been meaning to scan them since then, i finally got around to it when all the snow hit so the ones i posted are some of my favorites...honestly....kinda over the holga....this is the same image just flipped...
WDP4 for our Karnataka Sampark Kranti express performing reversal and processing to attach at Miraj end.
I purchased a Vello Macrofier Reverse Mount and Extension Tube with autofocus functionality. It arrived yesterday and I was very excited and tried it out with my lenses. Unfortunately, none of the lenses worked with the reverse mount. The autofocus did not work, it was not able to focus even if I manually prefocused the lens. All of the images have the lighter areas in the center of the frame as the one on this image. This was shot with a 16-35mm f/2.8 lens at 35mm, manual focus, f/13, 1/8 sec, ISO 100. Same results were experienced with a 24-70 and a 50mm lens as well.
It did produce impressive 4x magnification with the 16-35 @ 16mm, but the center of the image was dissapointing.
This image is a 2x macro of the edges of quarters. Shot on full frame camera, not cropped, only resized. Some contrast and sharpening was applied in PhotoShop.
Well, there are some great macro lenses available in the market. But i like to do experiments. So here it is. I have tried a reverse macro with Canon 18-55mm without a reverse macro ring. It was fun. But the problem is as the lens will be not mounted so I had to keep a tight hand on it while shooting.