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G5X vignetting in raw?

Started 6 months ago | Discussions
milocat125 New Member • Posts: 14
G5X vignetting in raw?

I just got a used G5x and was surprised at what can only be called severe vignetting when shooting at 8.8mm.  Yes, it goes away in jpeg.  Is this normal behavior of the G5X?

Shot at 8.8mm in raw and converted to jpeg.

Canon PowerShot G5 X
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Mark9473 Veteran Member • Posts: 6,425
Re: G5X vignetting in raw?
2

Yes these powershot lenses all do that. The days of  correction for distortion being built into the lens optics are long gone, it's all software correction now.

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Mark

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Jon_T
Jon_T Veteran Member • Posts: 6,393
Re: G5X vignetting in raw?
1

milocat125 wrote:

I just got a used G5x and was surprised at what can only be called severe vignetting when shooting at 8.8mm. Yes, it goes away in jpeg. Is this normal behavior of the G5X?

Shot at 8.8mm in raw and converted to jpeg.

In addition to Mark9473 comments yes, "IF" the being bing used to open/ process the RAW does not have the "lens profiles" for the camera.

Per your image's EXIF you used CyberLink PhotoDirector 12 (Windows); I'm not familiar with this app.

Check out the CyberLink PhotoDirector 12 (Windows) Help/ Support on using with RAW images, and if it has the lens profiles for the G5X.

BTW nothing new.

For example RAW+JPG images from Imaging Resource SX50 HS review (HERE),

Imaging Resource Sample+RAW image:

JPG: Typical image if exposure not adjusted to prevent highlights being overexposed/ blown. With JPG PP one can recover some of the darker shadow areas, but the "overexposed" highlights limited to capabilities of the photo editing app-RAW will recover a greater range.

Uncorrected RAW image saved as JPG. Note vignetting at corners.

RAW PP w/ DxO PhotoLab 4 Elite Suite. Also note the PP RAW image has a wider FOV than the OOC JPG image.

FOV JPG/ RAW comparison: LEFT - JPG — • — RIGHT - PP RAW (see red markings)

Jon

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OP milocat125 New Member • Posts: 14
Re: G5X vignetting in raw?

Thanks to you both.  I'm used to DSLR lenses.  Probably will switch to Canon DPP or Photoshop elements.

arrow501 Senior Member • Posts: 1,030
Re: G5X vignetting in raw?

Assuming you can select a lens profile manually in PhotoDirector 12 the profile for the Canon PowereShot G7X should work for your G5X because it is the same lens.

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aglake
aglake Contributing Member • Posts: 534
Re: G5X vignetting in raw?

DPP does a very good job with the G5X vignette.  Unfortunately, DPP has gotten messed up on my computer so I can't use it.  (I can neither install or uninstall it.) Lightroom did just as well but I prefer not to use it.

You can look to see if your raw converter includes a PowerShot with a similar lens.  With On1 I've been using the G9X lens correction.

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ark747
ark747 New Member • Posts: 14
Re: G5X vignetting in raw?
2

milocat125 wrote:

I just got a used G5x and was surprised at what can only be called severe vignetting when shooting at 8.8mm. Yes, it goes away in jpeg. Is this normal behavior of the G5X?

Shot at 8.8mm in raw and converted to jpeg.

This is normal camera behavior. To automatically fix vignetting, you must first install Canon's Camera Window on your computer, connect the G5X via cable, and turn on the camera. The program should detect the camera and open. Then you need to select the desired images and import them using this program (See user manual pp.176-8). Further process saved RAW files as you wish, you can use DPP. Good luck!

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- ark -

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OP milocat125 New Member • Posts: 14
Re: G5X vignetting in raw?

arrow501 wrote:

Assuming you can select a lens profile manually in PhotoDirector 12 the profile for the Canon PowereShot G7X should work for your G5X because it is the same lens.

Fabulous idea.  There's no G7X in the database to download, but there IS a profile for the G1 X mark II, which eliminates 90% of the vignetting!  Thanks!

mrroyphotog
mrroyphotog Junior Member • Posts: 43
Re: G5X vignetting in raw?

I have noticed the same thing with my Panasonic FZ2500; when I view the raws in lightroom, I don't see any vignetting, but when I use On1 Photo Raw, it is a wider view than I see in lightroom, and the vignetting is present. It took me a while to figure it out.

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