Blue Screen Backdrop
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 Photo Studio 24 Photography Light Tent Backdrop Kit 60cm Cube Lighting In A Box  US $49.90
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 Photo Studio 16 Photography Light Tent Backdrop Kit Carrying Case Cube In A Box US $44.95
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 10x20 Chromakey Blue Screen Muslin Backdrop Photo Studio Photography Background US $49.95
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 STUDIO PHOTO VIDEO LIGHT KIT 4800 WATTS 32SOFTBOXES WITH BOOM Steve Kaeser US $399.95
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 Chromakey Blue Screen Muslin Backdrop 10 x 20 photo video studio equipment US $3.25
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 Extra Large Flex Backdrop Blue Green Screen 7x9x7 Portable Reversible Chroma US $102.50
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 Muslin 10 X 20 Ft Chromakey Blue Screen Photo Video Backdrop Background Studio US $41.95
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 10x20 CHROMAKEY BLUE BACKDROP SCREEN 800w STUDIO KIT US $139.99
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 Savage Chroma Key Digital Background Kit Complete US $199.88
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 Fluorescent Light Kit With Softbox Light Muslin Photography Video Lighting 20511 US $305.99
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 6x7 Collapsible Photo Background Twist Backdrop White Black US $45.99
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 Fluorescent Lighting Kit Screen Photography Muslins Backdrop Background 20431 US $343.99
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 400 Watt Fluorescent Light Kit Studio Muslin Stand Kit Background Light 20391 US $350.99
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 400 Watt Fluorescent Cool Light Kit Muslin Photographic Lighting Studio 20371 US $350.99
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 JULIUS STUDIO ChromaKey Double Green Screen Backdrop 10x16 Muslin Photo JPG6 US $57.20
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 10x20 Hand Painted BACKGROUND Muslin BACKDROP PolB US $349.00
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 Romance Valentines Day DIGITAL BACKDROPS Backgrounds US $19.95
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 VIDEO CHROMAKEY BLUE 10x12ft SCREEN SUPPORT STANDS KIT US $95.99
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 CONTINUOUS 5 LIGHT KIT JTL BRITEK 4250 WATT NEW US $764.10
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 MAGICAL WOODS Digital Backgrounds Backdrops Kids Children Photography Amazing US $29.99
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 B01 DIGITAL BACKDROPS SERIES PACKAGE Scenics Kids US $34.85
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 A01 8 Volumes DIGITAL BACKDROPS Package on DVD US $34.85
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 10 x 20 Ft Chromakey Blue Screen Muslin Backdrop Photography Lighting Background US $44.90
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Photo Studio Video Photo Blue Chromakey Muslin Background Backdrop Blue Screen Chroma Key LimoStudio List Price: $57.00 Sale Price: $19.38  |
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(1) x LimoStudio 6 x 9 ft. Muslin Backdrop Background Blue Chromakey Photography Backdrop Color - Blue Chromakey 100% A grade premium quality cotton A seamless and weaving surface Machine washable Crimped along the edge to prevent tears Pre - stitched loop/easy to fold Size: 6' X 9' (W x H) 3" Rod Pocket on 6' side |
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10 x 16 ft. Photo Video Studio Blue Chromakey Screen Muslin Backdrop Background, LimoStudio List Price: $94.00 Sale Price: $35.01 |
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(1) x LimoStudio 10 x 16 ft. Muslin Backdrop Background Blue Chromakey Photography Backdrop Color - Blue Chromakey 100% A grade premium quality cotton A seamless and weaving surface Machine washable Crimped along the edge to prevent tears Pre - stitched loop/easy to fold Size: 10' X 16' (W x H) 3" Rod Pocket on 10' side |
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10 X 20 Ft Chromakey Blue Screen Muslin Photo / Video Backdrop Background Studio List Price: $149.95 Used From: $35.00 |
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This is a brand new professional true blue screen Chromakey background made out of 100% seamless muslin cotton scientifically color matched to chroma key blue. It is perfect for Videography and Photography, Digital Masking, Video/TV Production, Independent Film Makers, Churches, and more... |
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Reversible / Flex - Blue & Green Background (150cmx200cm) Sale Price: $57.50 |
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Chromakey Green/Blue 100 % Heavy duty 1.5 * 2.00 m (almost 5'x7') Reinforced flexible frame for extra tautness (keeps background wrinkle free). Self supporting -lean against a wall or alternatively hang from loop provided... |
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Photography Backdrop Chromakey 6'x9' background List Price: $49.00 Sale Price: $16.00 |
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This is a professional true green ChromaKey muslin backdrop. Non-glare material. This material is easy to achieve even lighting because it does not reflect light. This is what the pros use when they want professional results... |
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Prism Backdrops 10X12' Chromakey Green Muslin Photo Video Backdrop Background Sale Price: $32.00 |
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This is a studio muslin backdrop made from 100% cotton material. The 10X12' size (actually about 9X10.8' after shrinkage) weighs 3.8lbs. Prism premium cotton muslin backdrops are offered in three standard sizes:10X20' (actually 9X18', 5... |
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SP2000 Backdrop Background Support Stand For Muslins, Scenic Backdrops and Chromakey Greenscreens or Bluescreens List Price: $299.95 Sale Price: $69.95 |
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Square Perfect is pleased to be the premier photo supplier on EBAY. We have combed the world over for the most robust, highest quality, full featured equipment. If you are seriously considering purchasing new equipment, look no further... |
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ePhoto Twist Flex ChromaKey Green Blue Backdrop Background by ePhoto INC twistflex_G/B List Price: $64.99 Sale Price: $64.99 Used From: $41.00 |
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4.8ft X 6.5ft collapsible twist backdrop green and blue. Carrying bag is included. |
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Westcott Green Screen Digital Photography Kit List Price: $72.00 Sale Price: $69.90 |
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Green Screen is now beyond easy! Using the included SIMPLE software and just one click, import your photo and watch as the green screen is automatically removed! Then, place your subject anywhere by choosing one of the included 100 digital-photo quality backgrounds or your own! Background Categories include: Holiday, Sports, Music, Birthday, Whimsical, Baby, Retro, Futuristic and more! Perfect your images using the included software editing tools such as adjusting brightness, contrast, saturation and blur... |
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Prism Backdrops 10X20' Black Muslin Photo Video Backdrop Background List Price: $399.99 Sale Price: $43.69 Used From: $43.00 |
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This is a professional muslin backdrop made from a heavier 100% cotton material. The 10X20' size (actually about 9X18' after shrinkage) weighs 5.7lbs. The 10x20' size units also come with a black carry bag to protect your backdrop from dust and stains between uses... |
Where Do You Get a Blue Or Green Screen?
Before you can use any chroma keying software, you must prepare either a blue or green background. The color to choose depends on what your actors are wearing. If they are wearing blue, then use a green screen. If they are wearing green, then choose blue.
There are several ways of getting a chroma key background. If you are setting up a home studio, you can simply paint a wall green or blue. There is special chroma key paint - which costs $40 a bucket - but you can get similar results with cheaper paint from Home Depot. Use either pure green (255 green) or pure blue (255 blue) paint. First sand and primer coat the wall. After the primer dries, evenly paint the color on the wall.
Another, cheap way to get a green background is with green colored posterboard, which is sold at Wal-Mart or any art supply store. At about $1 a sheet, you can affordably cover a lot of area. The downside of this method is that the edges of each sheet may show in the final video. It is also a pain to tape up many small pieces of posterboard to a wall.
Many vendors sell a foldable chroma key backdrop that is blue on one side and green on the other. The folding backdrop collapses small enough to be portable, which is great for doing interviews on the run. The drawback is that the screen may not be wide enough to do certain action shots like two people fighting each other.
Chroma key fabric is the last way of getting a background for the Ultra software. True chroma key green or blue cloth will be very expensive, but your local fabric store probably has a similar color. Buy a small piece and test it out with the software.
Picking Key points
The next step is very quick, as you simply pick a bunch of points on your green or blue background. You are supposed to pick points that are both in the light and dark areas. This gives the Ultra algorithm the information it needs on what shades to chroma key. In most cases it takes less than five seconds to pick all your points.
Seldom will you have a smooth surface on your green screen fabric or painted wall, but Ultra will easily key these out. As you select your points, put a couple clicks on where the creases or folds are, and when you apply the Chroma key everything should look great.
If you want a more realistic looking video, you can opt to keep shadows in the final render. Simply select points around the shadows and Ultra is smart enough to chroma key around them. You generally don't have to select too many points; three or four seem to work well.
Lets say that you have an actress standing in front of a huge green screen. There will be a lot of empty green around her. Usually, you only want to Chroma key the area right around the actor, as any extra chroma keying will just waste computer cycles during the render phase. This is where Input Cropping in the Input tab comes into play. This will chop off the sides or the top and bottom, leaving you with just enough area around your subject. As you adjust this setting, you can see the results in real time.
How to Apply the Points
Clicking on Apply Points in the Keyer tab will turn the green/blue color into the background that you selected. You will probably notice that some areas on the actor/actress will be transparent. The checkerboard pattern really helps you see the transparent areas. This transparency is normal and can be easily fixed by moving the transparency slider to the right until you don't see the checkerboard any more.
Transparent Objects
Chroma keying has traditionally had trouble with keying out hair and semi-transparent objects such as veils or water bottles. Ultra, however, has no problem with these situations. You can see in our wedding picture that the veil is very thin and that you should be able to see through it in real life. On the right side is the final render where the ocean and sky colors can be seen through the veil.
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