hossegor Posted February 25, 2015 Share #1 Posted February 25, 2015 Advertisement (gone after registration) i just bought a new Leica Elmar 24 and i took my first shots with it yesterday. What i did notice is that i got some distortion in my images. I would like to ask if this is normal ? My setting within the M were on auto lens detection and i can see in the exif data the the camera has noticed the lens. here is a sample pic from yesterday : Quote Link to post Share on other sites More sharing options...
Advertisement Posted February 25, 2015 Posted February 25, 2015 Hi hossegor, Take a look here Leica Elmar 24 - lens distortion?. I'm sure you'll find what you were looking for!
Erik Gunst Lund Posted February 25, 2015 Share #2 Posted February 25, 2015 24mm is quite wide so unless you keep your camera level your images will look 'distorted' can be fixed in Photoshop but really you should just look through the viewfinder and pay attension to the horizon and buildings etc. An external viewfinder helps with this, it's expensive but a big help when shooting for images with less 'distortion' Next step is a tripod with a level... Enjoy your new lens, it's a really nice pice of glass! Quote Link to post Share on other sites More sharing options...
wda Posted February 25, 2015 Share #3 Posted February 25, 2015 Hossegor, have you tried using the optional inbuilt levelling aid. It can be a great help. The distortion you show is operator induced. Wide angle lenses are a real challenge to use, but worth the effort for serious use. I have the 21mm and that is even more challenging, but I love the results I get from it. Quote Link to post Share on other sites More sharing options...
hossegor Posted February 25, 2015 Author Share #4 Posted February 25, 2015 (edited) so maybe not a 100% straight angle? this could be as it was a nightshot and i didn't have much time. will give it another try today perhaps and learn this nice lens Edited February 25, 2015 by hossegor Quote Link to post Share on other sites More sharing options...
batmobile Posted February 25, 2015 Share #5 Posted February 25, 2015 Yes, you can see that the camera is pointing downwards, which causes vertical lines towards the edges of the frame to lean outwards. This is a type of perspective distortion and is not a fault of the lens, but inherent to all wide angles when the camera is not level. so maybe not a 100% straight angle? this could be as it was a nightshot and i didn't have much time. will give it another try today perhaps and learn this nice lens Quote Link to post Share on other sites More sharing options...
tobey bilek Posted February 25, 2015 Share #6 Posted February 25, 2015 Tilting the camera so the back is not vertical will cause lines to converge with any lens. Distortion is defined as straight lines becoming curved if they do not go through the center of the image. And bridges are not normally straight. 1 Quote Link to post Share on other sites More sharing options...
Bill W Posted February 25, 2015 Share #7 Posted February 25, 2015 Advertisement (gone after registration) I think you still took a great photo. Quote Link to post Share on other sites More sharing options...
hoppyman Posted February 25, 2015 Share #8 Posted February 25, 2015 It is a fine lens. As others have commented it is normal to see those leaning verticals when the camera is not level. Of course you can use that for dramatic effect when you want. Beach scene photo - Geoff Hopkinson photos at pbase.com More expansive view photo - Geoff Hopkinson photos at pbase.com 1 Quote Link to post Share on other sites More sharing options...
farnz Posted February 27, 2015 Share #9 Posted February 27, 2015 As others have pointed out there's 'keystoning' because the lens isn't level. The image is also cropped vertically, which may be accentuating the keystone distortion. Correcting the evident distortion in Photoshop is straight forward using Perspective to straighten the buildings, Distortion to vertically rectify the perspective correction, and you could us Warp if the bridge should still be more level than it looks in the picture. There appears to be a little Barrel distortion (hardly surprising in an unltra-wide angle lens although I have no experience with the 24 SEM to know whether it's normal for this lens) but that's easily correctable in Photoshop too. Pete. Quote Link to post Share on other sites More sharing options...
Erik Gunst Lund Posted February 28, 2015 Share #10 Posted February 28, 2015 ... There appears to be a little Barrel distortion (hardly surprising in an unltra-wide angle lens although I have no experience with the 24 SEM to know whether it's normal for this lens) but that's easily correctable in Photoshop too. Pete. I think the bridge is curved in real life The 24 3.8 has almost no barrel distortion. It's not called Super Elmar, SEM it's just an Elmar that is super nice 1 Quote Link to post Share on other sites More sharing options...
hoppyman Posted February 28, 2015 Share #11 Posted February 28, 2015 I think that this image that I linked illustrates that lack of barrel distortion well. Beach scene photo - Geoff Hopkinson photos at pbase.com Quote Link to post Share on other sites More sharing options...
Mornnb Posted March 1, 2015 Share #12 Posted March 1, 2015 (edited) i just bought a new Leica Elmar 24 and i took my first shots with it yesterday. What i did notice is that i got some distortion in my images. I would like to ask if this is normal ? My setting within the M were on auto lens detection and i can see in the exif data the the camera has noticed the lens. here is a sample pic from yesterday : Open Lightroom, check the check box for Enable in the Lens Corrections toolset. Barrel distortion is easily fixed in software and if your lens is coded Lightroom knows which lens profile to use. This will not fix the problem that the image is slightly tilted however. Edited March 1, 2015 by Mornnb Quote Link to post Share on other sites More sharing options...
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