Correcting Lens Distortion

[HCEarwicker]

Hi guys,

 

I Just joined your delightful, helpful forum (it really is!) - and asked this question in the plug-ins sub. I'll ask it again here in case it's the proper/better place.

 

I'm looking for a simple lens correction tool, to correct pincushion (or barrelling) distortion on some 35mm negatives I'm scanning. I found this -

 

[Removed]

 

 - but I can't find a link to just that one plug-in

 

1) Can I get it by itself?

 

2) If yes - where?

 

3) If no - is there another plugin available that does the same thing?

 

 

NB: I'm an elderly computer idiot. Be gentle with me. Cheers!

Edited March 9, 2014 by Ego Eram Reputo

[DrewDale]

Here is a plugin that may be what you need - http://forums.getpaint.net/index.php?showtopic=26347

 

The website you are getting plugins from is illegal and may even contain viruses and malware. This forum is the only safe place to download your plugins

 

Here is a link to the forums Plugin Index

[HCEarwicker]

Thanks, Drew. In fact, just moments ago I found this:

 

Camera Lens Distortion (link edited by EER)

 

Which seems fine to me. It's very simple, but far as I can tell so far works well enough. I scanned it with Avast and Malwarebytes and nothing found.

 

Earlier, via Paint, I had found and installed that Korean dll , but for some reason it didn't engage - just opened in a separate window and sat there (?!)

Edited March 9, 2014 by Ego Eram Reputo

[DrewDale]

What you do is:

Open paint.net, open up the lens plugin, then click the Open button on the plugin (lower right) and browse for your image

See attached screenshot.

 

[HCEarwicker]

AhAA! Live and learn. I'll give it a go. Cheers.

[HCEarwicker]

Well I gave it a go. FWIW, herewith my review of (what I shall call) the Korean tool:

 

1) You have to do the work in a separate, smaller window - very hard to see exactly what effect the sliders are having until you apply them, check the main Paint window, and then go back to the small window. Not conducive to intuitive editing.

 

2) The ridiculously complicated numbers accompanying the mysterious sliders might mean something to gifted people, but they mean nothing to me.

 

3) (Most importantly): I only spent 3 or 4 minutes with it, but I could only get the thing to make pincushion manoeuvres. The problem I have is with a lens that curves edges in, a little - I don't need them more curved in. Perhaps the tool can barrel as well - I'd certainly hope so - but if you can't see how that's done after a few minutes investigation.... YMMV but I'm deleting it.

 

On the other hand, the tool I got via Softpedia is incredibly simple, immediately usable, and seems to do the job - in both directions - very well (I may be a computer idiot, but I can get very fussy about straight lines ; )

Edited March 9, 2014 by HCEarwicker

[Ego Eram Reputo]

Please read my warning about downloading plugins from elsewhere on the Internet

 

All reputable Paint.NET plugins are released via this forum. Either get them from here, or from links posted here. DO NOT TRUST PLUGINS FROM ANYWHERE ELSE. Please - it's for your own good. The link you initially provided is operated by software pirates. They have been proven to bundle viruses with the plugin pack.

To locate plugins by name or author, or to download the free listings (updated monthly) - see this thread Plugin Index

[david.atwell]

Since you have already downloaded plugins from elsewhere online, I would recommend:

1. Removing and uninstalling all files you have downloaded from that site
2. Updating your antivirus software's malware definitions
3. Running a "full" or "complete" scan with your antivirus software

You should do this as soon as possible.  It may take some time, but it will save you lots of recovery time later.

[HCEarwicker]

 In fact, my 'problem' - the reason for my first post - was that I could find no download link for the 'pirate' file (I only wanted one link for one tool and didn't know the site was dangerous). Just as well, huh?! I have run a virus scan since dowloading the second file. But thanks for the advice, David. Appreciated.

 

 

 

PS

I completely understand why the links I gave have been removed. But for the record, the substituted link in an earlier post (#3) hypertexted "Camera Lens Distortion" is not the tool I eventually found and preferred.

 

That must mean that tool is also inappropriate to post as it doesn't originate via Paint.NET.. Fair enough. Once again, I apologise. I now understand the rules and it won't happen again, But editing my post the way you have makes it look like I'm referencing or recommending something that I'm not.

Edited March 11, 2014 by HCEarwicker

[Ego Eram Reputo]

Please update your post when you have identified the plugin.  It WILL be in the Plugin Index

[HCEarwicker]

Another apology, David...

 

The link you substituted:

 

http://forums.getpai...?showtopic=7216

 

IS a link to the simple, effective tool I found and dowloaded. In fact, I'd found that thread when I when I was first looking. I then found 'the Korean tool' (http://forums.getpai...showtopic=26347) - which didn't do it for me - and somehow managed to discombobulate myself about which was which. If it's ok with you, I'll leave my posts as they are - makes for a good story!

 

So the correct link IS in post #1100. And yes, it is in the index

Edited March 11, 2014 by HCEarwicker

[david.atwell]

Sorry if you felt we overreacted.  But for this forum to remain a trusted source for plugins that it needs to be, we need to keep an eye on every link that's posted and make sure that none of them could cause harm to a user's computer.  :-)  Glad you got everything worked out, and good luck with your images!

[HCEarwicker]

No problem, David. Re over-reacting: mea culpa.

 

In fact, I have another apology to make - to EER. For twas he wot inserted the (corrrect) link back in post #3, not you, David (see post #11). I prostrate to you both.

 

I used to be smart. What's happening?  

[Ego Eram Reputo]

Accepted.  As to what's happening.... you're becoming a Paint.NET Forum User.  Your sense of humor will save you.  Nearly.