Damaged front element, is this real?

cab.in.bostoncab.in.boston Registered Users Posts: 634 Major grins
edited February 25, 2010 in Cameras
A friend of mine (fellow dgrinner) pointed me to this article/experiment yesterday. Is that real? Can front element damage that severe really produce images like that? That seems incredible to me, but I'd not really like to prove it to myself by destroying any of my lenses. :D
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Comments

  • LiquidAirLiquidAir Registered Users Posts: 1,751 Major grins
    edited February 24, 2010
    As long as the front element maintains its basic shape and location, it will continue to produce a focal plane image. The primary impact of dirt and cracks is a haze over the image caused by flare off the defects.
    Liquid Air - Gallery - Blog
  • PhotometricPhotometric Registered Users Posts: 309 Major grins
    edited February 24, 2010
    On a very cold night, I accidentally bonked the lens against a fence shooting a high school band. The UV filter cracked (Tiffen) and I didn't notice until I checked my shot. At first, when I saw the crack, my heart stopped, but once I took the filter off, I realized the lens was ok. On the image, I got some weird flares of light, I don't have the image available now, but I'll post it later. I saved the cracked filter for future experiments abstract photo taking. Maybe I'll try it later on.
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  • time2smiletime2smile Registered Users Posts: 835 Major grins
    edited February 25, 2010
    wow, thanks for that post.
    It probably would of focused dead on if the lens was a little better in the middle.

    some extreme to get a star filter. rolleyes1.gifrolleyes1.gifrolleyes1.gif
    Ted....
    It's not what you look at that matters: Its what you see!
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