Al Noor Masjid{Sharjah Light Festival}|DRI-HDR

Happy Valentines Day to you all Folks. Today, i would like to bring to attention to the reader regarding Perceptive distortion when using wide angle lens when shooting architecture. I for many reasons like being lazy and for some aesthetically reasons i never bothered about it until one of my reader brought to my attention regarding my pictures. True, is it not after not i cannot afford also an expensive tilt & shift lens to correct the perspective distortion while shooting ? Luckily there is a great little software Plugin called PTLens that can handle almost every type of complex distortion correction you’ll ever run into and i am just loving it. You can see below how the picture looked before it went to the PTLens Software.

The PTLens plug-in reads the EXIF data from the image i loaded and automatically corrects the barrel and pincushion distortion caused by my specific lens. To see the effect of this, you can uncheck and recheck the Preview checkbox. To correct Perspective distortion you’ll need to show the Grid and then adjust the Vertical and Horizontal controls until the vertical lines in the image are truly vertical. I played around with the settings for a while until i achieve the desired resultsThe next step is to crop the image to remove the black areas cause by the perspective correction as shown here.  As I said earlier in this post, it’s very important to crop your image AFTER using PTLens to correct the distortion.

How the photos were shot

  • Taken on Tripod
  • Five exposures
  • Camera: Nikon D800
  • Lens: Nikon 14-24mm f/2.8

How the HDR image was tonemapped

  • Processed the images as Raw File in Photomatix
  • Saved the resulting image as 32 bit Floating TIFF

How the tonemapped image was post-processed

  • The Resulting tone-mapped Tiff Image was then opened in Lightroom
  • Changed the following settings-Contrast, Highlights, Shadows, Blacks, Whites
  • Resulting File then opened in Photoshop
  • Nik Color Efex on the blue celing
  • Topaz Adjust on the chandliers
  • Topaz Denoise
  • Perceptive Distortion Correction
  • Watermarking

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vineetsuthan Written by:

My name is Vineet Suthan and I'm the father of 2 great kids. I am a system engineer by profession and currently residing in Dubai & Muscat. In my spare time i do photography-Mainly Fashion, Beauty, Portfolios and other times i am found doing HDRs. I've been in photography since 2008 and I absolutely LOVE what I do. I feel very blessed to have 'fallen into' this field! check my website at www.vineet-suthan.com

2 Comments

  1. February 16, 2013
    Reply

    Thanx for this post. U couldve mentioned my name so that me too have got my 15 seconds of fame, haha. Very well-wrtiten piece.

    And by the way, I finished reading full pages(44 pages) of your blog in 2 days. Now waiting for your next post. 🙂

    • February 16, 2013
      Reply

      Thanks Manu Gopal. If you read one post it means a lot to me. I will have you name mentioned in my next post. Just wait a couple of hours.

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