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2
votes
2answers
132 views

What does it mean, to copy a lens profile correction from one photo to another in lightroom?

As the title says, what happens when copying a "lens profile correction" setting from one photo to another in lightroom? Supposing I have two photos, one shot at 10mm, one shot at 20mm, both using ...
7
votes
1answer
1k views

How to force Lightroom to use a specific lens profile?

I use a Canon 6D and a Rokinon (Samyang/Bower) 14mm f/2.8 for some fun UWA shots. I had already downloaded a lens profile using Adobe Lens Profile Downloader to correct for the mustache distortion. ...
5
votes
1answer
160 views

Did film photography have lens correction counterparts?

Were there ever any tools to correct for lens distortion in the film-only era? I'm thinking a device that contained a lens system that you could alter, or a soft workable lens that you could fine ...
3
votes
3answers
2k views

Are there any free or better alternatives to Fisheye-Hemi?

I've been tempted to get a fisheye lens (The Nikon 10.5 DX specifically), and have seen the Fisheye-Hemi plugin for "normalizing" fisheye images. Does anyone have experience of using the plugin or ...
7
votes
2answers
200 views

Should I set the lens profile option in Lightroom If I already have the lens correction information on my Canon 6D?

I've a 6D with lens profile information for all my lenses. So when I process pictures from the camera in Lightroom do I need to set the lens profile option?
3
votes
1answer
786 views

Why doesn't my camera have lens corrections for my new lens?

I've been using a brand new Canon 5D Mark III (with the latest firmware v1.2.3) with some recent lenses (all older than the camera itself though), but most of them don't have any lens correction ...
1
vote
1answer
103 views

How many different focal lengths and apertures does a typical lens correction profile in Lightroom consist of?

Due to different distortion in lenses at different apertures and focal lengths different corrections have to be applied under different conditions when using Lightroom lens correction. I guess this is ...
0
votes
2answers
122 views

Do Lightroom lens correction profiles for Contax G lenses (e.g. 90/2.8) exist?

I recently acquired a used Contax G 90/2.8 Sonnar lens, which is an amazing piece of glass and was wondering did anyone make lens correction profiles for it?
2
votes
4answers
184 views

What does lens correction in software actually correct to?

I understand what lens correction does, correcting vignetting, barrel/pin cushion distortion and other types of distortion, however I was wondering what the photo is corrected to? Vignetting is ...
1
vote
1answer
133 views

Does Microsoft ICE correct barrel distortion?

For a panorama, I created more than a hundred images with my Panasonic Lunix DMC FZ5, with 6mm focal length (35mm equivalent: 36mm). I want to import these images into ICE, to create a panorama. The ...
2
votes
1answer
455 views

Why does using Canon's Digital Lens Optimizer double the size of a RAW file?

In recent editions of Canon's Digital Photo Professional (beyond version 3.11.10 or later) a lens correction tool known as Digital Lens Optimizer (DLO) has been added. It uses Canon's own knowledge of ...
6
votes
2answers
1k views

Canon DSLR Lens Correction

In Canon DSLRs there is an option to automatically correct Lens Vignetting and Color Fringing. When enabling this option, would it still be necessary to enable lens correction in LR4/Photoshop? If ...
5
votes
4answers
714 views

what does lens correction in photo software do?

I shoot most of my pictures with a Sigma 17-50 F2.8 lens on my Canon 450D in RAW. And I process the RAWs in Canon's free software, DPP (Digital Photo Professional). This software has one feature ...
1
vote
1answer
203 views

Is there a Lightroom lens correction profile for the Nikon Coolpix 995?

I have a bunch of old photos taken with a Nikon Coolpix 995 that I'm working with in Lightroom 3. The 995 had noticeable lens distortion particularly at the wideangle end. I've tried using ...
10
votes
4answers
2k views

Are there any downsides to applying the lens correction profile in Adobe Lightroom?

Assuming that you are using a good lens profile, say one that Adobe has predefined in Lightroom, are there any downsides to automatically applying the appropriate lens correction profile when the ...
0
votes
2answers
182 views

How do I turn off lens correction in Lightroom 3?

I'm trying to improve Lightroom performance on my Mac and have read that turning off Lens Correction can help the "Loading" times in the develop module. I really don't care about lens correction and ...