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Sophomore
Picture of teenagdcelluloid
AIM: Online Status For teenagdcelluloid
Posted
okay, i want to KILL my depth of field and bury it somewhere in the swamps of my small washington town--

in short, i only want like 5 inches of "in-focus" material for my shots, even in extremely wide shots

so could i get a lens or adapter for depthofieldacide? or perhaps u guys no tips and tricks? anything would help thnx
 
Posts: 270 | Location: Olympia, Wa, USA | Registered: December 19, 2003Reply With QuoteEdit or Delete MessageReport This Post
Junior
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ok, try the basics, open your apeture as wide as possible(try to get it to arround f2) and crank up your shutter speed to compensate.

Ifyou have cash to spare, send your project to a post-house and get it put through a davinci 2k with its focus system, or an inferno system, both will do a great job. and your overall look will just kick ass.


Matthew Parnell
Electric
 
Posts: 462 | Location: Brisbane, Queensland, Australia | Registered: April 26, 2003Reply With QuoteEdit or Delete MessageReport This Post
Sophomore
Picture of teenagdcelluloid
AIM: Online Status For teenagdcelluloid
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i dont think my camera has aperture control, maybe there's a lens i could buy for minidv cameras?
 
Posts: 270 | Location: Olympia, Wa, USA | Registered: December 19, 2003Reply With QuoteEdit or Delete MessageReport This Post
Graduate
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i think the CCD sensor is too small to get just 5 inches of depth of field.

but uhm, if you can't change the lens, and you can't adjust the aperature, there aren't any other cheap ways to do it i don't think.
 
Posts: 842 | Location: Oakland | Registered: January 13, 2004Reply With QuoteEdit or Delete MessageReport This Post
Freshman
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Death to DOP, eh? not always reccomended....especially on union shoots :-)
 
Posts: 30 | Location: LA | Registered: May 11, 2003Reply With QuoteEdit or Delete MessageReport This Post
Alumnus
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To cut down the depth of field, you can also move the camera as far away as possible and zoom in. This has more of an effect than adjusting the aperture and shutter speed, but even using all these techniques together will not give DV a really "film like" DoF on most wide shots.
 
Posts: 1871 | Location: Gainesville, FL | Registered: April 05, 2004Reply With QuoteEdit or Delete MessageReport This Post
Sophomore
Picture of teenagdcelluloid
AIM: Online Status For teenagdcelluloid
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not that im trying to get a film look (although that can come up later) i just want to make it like...my thang u know? like: "that teenagdcelluloid w/ his reeealy small dops, give him an award for outstanding achievement in the field of excellence" u know stuff like that

ok thnx guys ill try this and if it doesnt work out i can just tell my crew ill "fix it in post"
 
Posts: 270 | Location: Olympia, Wa, USA | Registered: December 19, 2003Reply With QuoteEdit or Delete MessageReport This Post
Sophomore
Picture of teenagdcelluloid
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okay uhm...how sensitive is the ccd sensor for a digital camera? does it depend on the model?

oh yeah and correction: dof-

and YES death to dof rbf! and dont u forget it!
 
Posts: 270 | Location: Olympia, Wa, USA | Registered: December 19, 2003Reply With QuoteEdit or Delete MessageReport This Post
Graduate
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what do you mean by sensitive?
 
Posts: 842 | Location: Oakland | Registered: January 13, 2004Reply With QuoteEdit or Delete MessageReport This Post
Sophomore
Picture of teenagdcelluloid
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someone said the ccd isn't sensitive enough for like...5 inches of dof, so how sensitive is it?
 
Posts: 270 | Location: Olympia, Wa, USA | Registered: December 19, 2003Reply With QuoteEdit or Delete MessageReport This Post
Graduate
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i said it was too small, not too sensitive, if that's anything.

as to why it matter whether it's small or not, it's really mathematical and has to do with this thing called The Circle of Confusion.

but basically, the bigger the frame you're trying to fill, because of physics, the optics will have less depth of field as you use longer lenses.
 
Posts: 842 | Location: Oakland | Registered: January 13, 2004Reply With QuoteEdit or Delete MessageReport This Post
Sophomore
Picture of teenagdcelluloid
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sorry about misquoting u (lol)

wait wait. so the longer the lens i have the less depth of field i will have?

dear lord please say yes!
 
Posts: 270 | Location: Olympia, Wa, USA | Registered: December 19, 2003Reply With QuoteEdit or Delete MessageReport This Post
Alumnus
Picture of TizzyEntertainment
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DOF is created mainly by the size of your imaging area. DV has a very small imaging area, 16mm has more, 35mm has more then 16mm, ect.

Now there are P+S telecine adapters, which will allow you to shoot through 35mm prime lenses. It utilizes a rotating ground glass which creates an imaging area comparable to 35mm. You basically shoot the image on the glass. Many have built their own, but the real ones cost a bit (the one my friend owns for his DVX100 cost him $8000, and he still had to buy the lenses.) but the results are pretty sweet. Examples from a feature he shot...

http://www.zoomforce.com/cgi-bin/dvxuser/more.cgi?164
http://www.zoomforce.com/cgi-bin/dvxuser/more.cgi?162
http://www.zoomforce.com/cgi-bin/dvxuser/more.cgi?159
http://www.zoomforce.com/cgi-bin/dvxuser/more.cgi?156

Your other option is to create blurring masks in post applied with a program like After effects and make your own. I know of someone who edits with the latest version of vegas video and uses a program on there called (I believe) Twister with quite nice results. Hope some of this points you in the right direction.

R. "Wishes he could shoot EVERYTHING on 72mm" Michael


"Luck, is when opportunity, meets preperation." "There are 3 sides to every story. Yours, mine, and the truth, and none of us are lying" -Robert Evans
Tizzy Entertainment
 
Posts: 1534 | Location: WPB, Florida | Registered: November 22, 2002Reply With QuoteEdit or Delete MessageReport This Post
Sophomore
Picture of teenagdcelluloid
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omg those shots are minidv (or dv)? awesome!

$8000! that costs 20x as much as my entire camera!!

k well sounds like im building my own. thnx

This message has been edited. Last edited by: teenagdcelluloid,
 
Posts: 270 | Location: Olympia, Wa, USA | Registered: December 19, 2003Reply With QuoteEdit or Delete MessageReport This Post
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