RGB/16

Dear:
I have taken a photo using Format Raw and RGB 42 or 14 bits per channel. Why when I open my photo in Adobe Photoshop CS6 it shows me RGB/8 and not RGB/16 as I expected?
thanks
Squadri

If it's a raw file it opens through the Camera Raw plugin (ACR) into Photoshop. It can't open directly into Photoshop.
In ACR, click the blue link directly below the main image window. This opens the workflow settings, which is where you set bit depth, color space, size etc.

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Thanks for your reply! However, I hope you don't take my response the wrong way, but, with no meaning of disrespect to you personally, the notion that curves are the wrong tool for numeric adjustments extremely infuriates me and displays a real lack of understanding of why a colorist or cinematographer such as myself would want to use curves in the first place.
First, any LUT generation program or coloring program, such as Apple Color, gives complete access to numerical control to give precise, repeatable changes that you cannot get with the drag of a mouse. Photoshop, Avid Symphony, etc. all have curves tools with the ability to manually enter points.
Second, on a user level, there should be no wrong tool for numeric adjustments, especially curves - they are the most precise means to obtain a specific contrast response. Levels or RGB corrector will only give gamma, pedestal, and gain operations, but curves gives every possible shape of a contrast response in between. If I wanted to create a very specific S-curve, I must use the curves tool to do so.
Third, the question at hand is not Premiere Pro's ability to process natively in Rec709 with signal from 16-235 - Premiere's native ability to process all types of video input is the sole reason why I've switched to it as a platform. 'Sub-black values are not necessarily clamped'?! How then can I export a TIFF, for example, of Premiere's bars, with the sub-black values left intact? How do I even access these sub-black values, when all footage clips below 0 IRE? The primary question is, how does Premiere handle and export these IRE values with respect to digital values, whether they are 8-bit, 10-bit, 12-bit, etc.?
Adobe's video workflow lacks a concise, cohesive FAQ or explanation of its numerical signal chain. At least, I have missed it and can't find it anywhere. If I want to properly color grade footage with a proper final output in mind, I need to know my end goals to take the proper intermediary steps.
SteveHoeg wrote:
Hey Tim - Premiere Pro can process natively in Rec709 with signal from 16-235 you do not need special adjustments. Curves are the wrong tool for numeric adjustments, try Levels or RGB Corrector. Sub black values are not necessarily clamped on export. --sh

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Ahh!!! Correction: I meant VGA. So...
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Message was edited.

RGB/16

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