HDR Pics

HKYStormFront · 08-03-2010, 01:02 AM

if you want 9 stops of dynamic range, the right way is to shoot film and scan it to edit in photoshop, not HDR (digital only sees 5 stops of dynamic range, human eyes see ~12 stops)

KillerBee370 · 08-03-2010, 01:50 AM

Quote:

Originally Posted by HKYStormFront

if you want 9 stops of dynamic range, the right way is to shoot film and scan it to edit in photoshop, not HDR (digital only sees 5 stops of dynamic range, human eyes see ~12 stops)

What's film?

HKYStormFront · 08-03-2010, 01:54 AM

<--- never shot with film... ever. yay for digital!

Cmike2780 · 08-03-2010, 08:56 AM

Quote:

Originally Posted by KillerBee370

What's film?

I think it's like a Polaroid. Never heard of it.

KillerBee370 · 08-03-2010, 01:58 PM

Quote:

Originally Posted by HKYStormFront

<--- never shot with film... ever. yay for digital!

Oh haha... nice. I started with film but yes... thank god for digital!

JACKPAC · 08-03-2010, 05:54 PM

I had film on my camera once... but I wiped it off.

wilsonp · 08-03-2010, 09:44 PM

Not to be pedantic, but to be pedantic

Varying shutter speed isn't relevant unless in full manual mode, and even then is incomplete. What you need to vary is exposure, either by using exposure compensation or bracketing, or by using full manual, in which case you can vary shutter or aperture, though aperture variation may create depthnof field artifacts.

Also, digital has more dynamic range than film, but less latitude - like an excellent slide film, especially when shooting RAW, which has a coulee of extra stops of range. It is possible to create an HDR with a single raw shot.

Finally, a true HDR can't be represented in a JPEG file which has a fixed range based on format, or displayed on a normal (non-radiology) computer monitor, which also is restricted in dynamic range. The best you can do is convert the HDR back down to normal 8-bit dynamic range using a custom tone curve. That said, properly done such an image can feel more like what you saw in real life.

Cmike2780 · 08-03-2010, 09:49 PM

^^ good explanation, but I'm pretty sure that's gonna confuse the OP even more.

didymus · 08-29-2010, 12:11 AM

Quote:

Originally Posted by HKYStormFront

this is why i

whenever someone posts an HDR image or asks about them

Haha so true..

Dsphoto · 10-09-2010, 10:15 AM

Quote:

Originally Posted by HKYStormFront

this is why i

whenever someone posts an HDR image or asks about them

AWESOME. Where did you get that graphic? I want it for my office!

antman22 · 10-09-2010, 11:32 AM

This graph is brilliant. I want to show it to some folks who think they are pros the second they bought their first dslr....might give them some perspective and show them that its not the camera that makes fantastic photos...

wilsonp · 10-09-2010, 02:29 PM

My iPhone 4 has built-in HDR now!

HKYStormFront · 10-09-2010, 05:33 PM

Quote:

Originally Posted by Dsphoto

AWESOME. Where did you get that graphic? I want it for my office!

someone posted it on a photography forum that i'm on, i seriously fell out of my chair laughing because it is sooooo true

i'm currently in the "damnit, i suck" section of that graph, mixed with a little bit of gear-faggotry as we were talking about the past few days lol

Dsphoto · 10-09-2010, 11:53 PM

Keep at it. I've been shooting for 40 years, seriously for over 35 (got my first camera at 10). Still learning and getting better every day.

CBRich · 10-10-2010, 06:13 AM

Shooting in RAW makes it very easy to get different exposure levels from a single image.

08-03-2010, 01:02 AM	#16 (permalink)
HKYStormFront A True Z Fanatic Join Date: Apr 2009 Location: Greer, SC Posts: 14,954 Drives: 06 Frontier SE 6spd Rep Power: 52	if you want 9 stops of dynamic range, the right way is to shoot film and scan it to edit in photoshop, not HDR (digital only sees 5 stops of dynamic range, human eyes see ~12 stops) __________________ Patrick // 06 Frontier 6spd Nismosis // Mods: Uprev Tuned @ Z1 Motorsports: 257whp & 292 ft lbs 09 Pontiac G8 GXP // M6 // Sunroof // Tint... For now

08-03-2010, 01:54 AM	#18 (permalink)
HKYStormFront A True Z Fanatic Join Date: Apr 2009 Location: Greer, SC Posts: 14,954 Drives: 06 Frontier SE 6spd Rep Power: 52	<--- never shot with film... ever. yay for digital! __________________ Patrick // 06 Frontier 6spd Nismosis // Mods: Uprev Tuned @ Z1 Motorsports: 257whp & 292 ft lbs 09 Pontiac G8 GXP // M6 // Sunroof // Tint... For now

08-03-2010, 09:49 PM	#23 (permalink)
Cmike2780 A True Z Fanatic Join Date: Jun 2010 Location: Long Island Posts: 5,059 Drives: slowwww Rep Power: 29	^^ good explanation, but I'm pretty sure that's gonna confuse the OP even more. __________________ [09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R] [ArchitTEK Photography]

10-09-2010, 02:29 PM	#27 (permalink)
wilsonp A True Z Fanatic Join Date: Jul 2010 Location: Virginia Posts: 1,134 Drives: 2009 Touring Sp Nav Rep Power: 17	My iPhone 4 has built-in HDR now! __________________ 2014 Cayman S PDK Sport Chrono White/Black Was 2009 370Z Touring Sport+Nav 7AT Metallic Black/Persimmon Was 1991 NSX Auto Black/Black

10-09-2010, 11:53 PM	#29 (permalink)
Dsphoto Base Member Join Date: Sep 2010 Location: Suffolk cty New York Posts: 159 Drives: 10 BC 370ZR S/T M6 Rep Power: 15	Keep at it. I've been shooting for 40 years, seriously for over 35 (got my first camera at 10). Still learning and getting better every day. __________________ 78 Z1R, '08 ZX10R, 2010 BC Roadster S/T, 6M, Stillen G2 CAI, Invidia CBE, Berk test pipes, Painted headlights (180˚Custom), JDM rear fog, B&M short shifter, Stillen front plate mount, stubby antenna, setrab oil cooler, uprev. 337rwhp 254ft/lb corrected!

08-03-2010, 05:54 PM	#21 (permalink)
JACKPAC Track Member Join Date: Sep 2009 Location: Kentucky Posts: 516 Drives: MB 370z Rep Power: 17	I had film on my camera once... but I wiped it off.

08-03-2010, 09:44 PM	#22 (permalink)
wilsonp A True Z Fanatic Join Date: Jul 2010 Location: Virginia Posts: 1,134 Drives: 2009 Touring Sp Nav Rep Power: 17	Not to be pedantic, but to be pedantic Varying shutter speed isn't relevant unless in full manual mode, and even then is incomplete. What you need to vary is exposure, either by using exposure compensation or bracketing, or by using full manual, in which case you can vary shutter or aperture, though aperture variation may create depthnof field artifacts. Also, digital has more dynamic range than film, but less latitude - like an excellent slide film, especially when shooting RAW, which has a coulee of extra stops of range. It is possible to create an HDR with a single raw shot. Finally, a true HDR can't be represented in a JPEG file which has a fixed range based on format, or displayed on a normal (non-radiology) computer monitor, which also is restricted in dynamic range. The best you can do is convert the HDR back down to normal 8-bit dynamic range using a custom tone curve. That said, properly done such an image can feel more like what you saw in real life.

10-09-2010, 11:32 AM	#26 (permalink)
antman22 Track Member Join Date: Dec 2009 Location: Dallas TX Posts: 597 Drives: 09 PG 370z 7AT Rep Power: 17	This graph is brilliant. I want to show it to some folks who think they are pros the second they bought their first dslr....might give them some perspective and show them that its not the camera that makes fantastic photos...

10-10-2010, 06:13 AM	#30 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 544	Shooting in RAW makes it very easy to get different exposure levels from a single image.

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