Instant JPEG from RAW

Posted on November 11, 2008
Filed Under Photography, Software | 3 Comments

I discovered an interesting fact about RAW. If you use a D-SLR camera and shoot photos in RAW format, the photos are stored in the camera’s native format. You can edit RAW files using Photoshop and a RAW plug-in from your camera manufacturer or you can use Aperture photo editing software which runs on Mac OSX.

Why do photographers shoot in RAW?
1. It gives more flexibility when editing in post-production.
2. Because RAW files are stored in a camera’s native format, it retains the details and gives the photographer the flexibility to manipulate the white-balance and ISO during post-production.
3. This is possible because RAW files are not compressed or processed like JPEG.

Would you shoot in RAW?

1. Thing to consider when shooting in RAW format is storage size and how much time do you want to spend on post-production.
2. RAW files are large because they are not processed or compressed. You will need a lot more storage space on your card if you want to shoot in RAW.
3. If you are printing large prints then it would be advisable to shoot in RAW because you maintain the details but if you want to spend as little time as possible doing post-production, then it is best not to shoot in RAW.
4. Most D-SLR cameras allow you to shoot both in JPEG and RAW so if you want a lower resolution photo then you can use the JPEG and keep RAW in case you require to hack into the details using Photoshop or Aperture.

Here’s a better idea
If you are adamant in shooting all your photos in RAW, you can do away with spending hours in your digital dark room, doing post-production and you don’t have to set your D-SLR to shoot and save your photos in both JPEG and RAW on your storage card.

Do you know that a JPEG file is embedded within most RAW files? The embedded JPEG file is what the camera use to create the on-screen image when you preview your photo. So if JPEG is created and embedded in a RAW file, it means you can get to it, extract it and use it.

There is a software which runs on both Windows XP SP2/Vista and Mac OSX which does the task of extracting the embedded JPEG from RAW. The software is free and it downloadable from rawworkflow.com. Using the Instant JPEG From RAW (IJFR) software you have the option of extracting the JPEG in native size only or smaller sizes. You can define the max width and max height.

How long does it take to extract JPEG from RAW?
According to what I read, you can extract 86 JPEG images in just nine seconds. That is impressive but the time taken to do the job depends on what PC/Mac you use but we won’t go into that.

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