RetouchPRO

Go Back   RetouchPRO > Technique > Photo Retouching
Register Blogs FAQ Site Nav Search Today's Posts Mark Forums Read


Photo Retouching "Improving" photos, post-production, correction, etc.

camera and bits

Reply
 
Thread Tools
  #1  
Old 05-31-2009, 04:09 AM
jarulex's Avatar
jarulex jarulex is offline
Senior Member
 
Join Date: Jan 2008
Location: Monaco-France
Posts: 108
camera and bits

Hi Folks!
following the interesting debate about 16 bit I wish to know how can I exactly know how many bits are my RAW images shoots with different cameras. When I open them in PS, software says that are 8 bits but may be they are 10 or 12...
Any suggestion? Thanks in advance. Paolo
Reply With Quote top
  #2  
Old 05-31-2009, 09:07 AM
mistermonday's Avatar
mistermonday mistermonday is offline
Moderator
Patron
 
Join Date: Dec 2005
Posts: 3,028
Re: camera and bits

Hi Paolo, the specifcation sheet, feaature sheet, or user guide for your camera will tell you the bit depth of the RAW images produced by the Camera. Usually if your camera produces a RAW image, the bit depth is somewhere between 10 and 14 bits. Today most reasonable quality DSLRs have a bit depth of 12 or 14. So you should always open your RAW files in Camera RAW as 16 Bit files to take maximum advantage of all the data provided by you camera.
Regards, Murray
Reply With Quote top
  #3  
Old 05-31-2009, 09:16 AM
Flashtones Flashtones is offline
Senior Member
 
Join Date: Apr 2009
Posts: 956
Re: camera and bits

The thing is, you want to maintain a 16 bit workflow as long as possible. Starting at 8 bits and then changing the mode up to 16 for transformations does very little. Open your raw images in camera raw, and at the bottom center of the camera raw window is where you can set your workflow options, which include the color space you want your images opened in in PS and the bit depth. Make sure 16 bit is selected there.

Having your images open as smart objects too isn't a bad idea. This makes changes like crops, transformations, filters and corrections etc, non permanent and editable.
Reply With Quote top
  #4  
Old 06-01-2009, 03:07 AM
jarulex's Avatar
jarulex jarulex is offline
Senior Member
 
Join Date: Jan 2008
Location: Monaco-France
Posts: 108
Re: camera and bits

Right! Thanks. Please could you tell me how to open an image as smart object from Camera Raw directly? There's a way to do it? Before I was just opening the Image in PS, than I used to convert in smart object mostly through filters menu....
Reply With Quote top
  #5  
Old 06-01-2009, 05:12 AM
Fact Fact is offline
Junior Member
 
Join Date: Dec 2006
Posts: 28
Re: camera and bits

Yes, click on space color and click on Open in PS as a smart object.
Attached Images
File Type: jpg 111.jpg (85.8 KB, 15 views)
Reply With Quote top
  #6  
Old 06-01-2009, 07:45 AM
mistermonday's Avatar
mistermonday mistermonday is offline
Moderator
Patron
 
Join Date: Dec 2005
Posts: 3,028
Re: camera and bits

Paolo, all you need to do to opemn the image as a Smart Object is to hold down the Shift Key. The button called "Open Image" will change to read "Open Object". No need to open the Color Space dialog.
Regards, Murray
Reply With Quote top
  #7  
Old 06-01-2009, 11:44 PM
Quantum3Studio Quantum3Studio is offline
Senior Member
 
Join Date: Jan 2009
Location: Argentina
Posts: 397
Re: camera and bits

APS-C Cameras usually are 12 bits, FF and Medium Format between 12 and 16. Let me know your camera model and I will let you know the mp of your camera.

By the way, you should shoot in RAW to get 12-14/16bits-like images. When you open them in PS Camera RAW Editor will launch. Look for the words in blue at the very bottom of the Camera RAW Window and click there to choose the bit depth of your files.
Reply With Quote top
  #8  
Old 06-01-2009, 11:48 PM
Quantum3Studio Quantum3Studio is offline
Senior Member
 
Join Date: Jan 2009
Location: Argentina
Posts: 397
Re: camera and bits

By the way, converting from 8 bits to 16 bits doesn't mean you will get a better file to edit, as the other guy says. You must start using a 16 bits file from the beginning, then, after edit, turn it to 8 bits (for web/print), but keep the 16 bits original, the same with the RAW file (nowadays there are some printers that support 16 bits, like the Epson R1900).
Reply With Quote top
  #9  
Old 06-01-2009, 11:50 PM
Quantum3Studio Quantum3Studio is offline
Senior Member
 
Join Date: Jan 2009
Location: Argentina
Posts: 397
Thumbs up Re: camera and bits

Ah, you don't need opening the file as an smart object to get the 16 bits file. That wilñ increase a lot your CPU Usage. Smart Objets are useul if you will re-edit your file, other than that it's just a waste of resources.
Reply With Quote top
Reply

  RetouchPRO > Technique > Photo Retouching


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Do you want to LEARN to USE your camera? CJ Swartz Photography 28 04-22-2014 01:02 AM
.tif or .jpg grafx Photo Retouching 1 02-14-2007 10:17 AM
Digital Camera and scanner - help to pick Marthig Hardware 4 01-21-2006 05:39 PM
Reconsidering 16 bit Ed_L Input/Output/Workflow 14 11-01-2005 10:41 AM


All times are GMT -6. The time now is 08:35 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
SEO by vBSEO ©2011, Crawlability, Inc.
Copyright © 2016 Doug Nelson. All Rights Reserved