DreDaze happy with myself for not saying anything stupid  More info | Jan 25, 2017 18:37 | #1 so i bought a lens used on ebay, mainly because it fell close enough to my "it's only $100 for a lens, it's worth a shot" category Andre or Dre
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CheshireCat Goldmember  2,303 posts Likes: 407 Joined Oct 2008 Location: *** vanished *** More info Post edited over 6 years ago by CheshireCat. | Jan 25, 2017 19:17 | #2 I think the most important effect is the loss of contrast. I don't think flare would be a problem if the coating is only missing from the front element. 1Dx, 5D2 and some lenses
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dasmith232 Senior Member  More info | Jan 25, 2017 22:02 | #3 +1 on that ^^^^ Dave
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Jan 26, 2017 18:36 | #4 |
CheshireCat Goldmember 2,303 posts Likes: 407 Joined Oct 2008 Location: *** vanished *** More info | Jan 27, 2017 02:06 | #5 Keep us posted ! 1Dx, 5D2 and some lenses
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Jan 29, 2017 14:26 | #6 i probably should've said what lens it was...it's an 8-16mm...and the coating loss is putting a big blob on the image...i'm going to try and play around with it today, and see if there's any way it's avoidable...i wonder how much a front element replacement would cost...if it's $200 or less, i'm still good...we'll see Andre or Dre
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CheshireCat Goldmember 2,303 posts Likes: 407 Joined Oct 2008 Location: *** vanished *** More info | 8-16 ? ooops... can you post an example picture ? 1Dx, 5D2 and some lenses
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you can see it here fairly easily...there's pretty much two spots that are bad, bottom left, and side left  here's the vertical regular way i would shoot, and then reversed to put the spot in the sky...i thought about using it upside down to put the blur on the sky in landscape orientation   i will probably play around with it a bit, but i think i will send it to sigma in hopes of getting the front element replaced...if it's $200, then i've got $300 into it...which i'm fine with...hopefully it's not much more to replace Andre or Dre
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CheshireCat Goldmember 2,303 posts Likes: 407 Joined Oct 2008 Location: *** vanished *** More info | Really looks much worse than I thought, but your trick of putting the spots in the sky works fine ! 1Dx, 5D2 and some lenses
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i mean for a $100...i'm fine with whatever i get out of it...i kinda just wanted to see how much wider it would be than my 10-20mm...it's pretty substantial...although i'm not sure what my thoughts are on not being able to use a CP, or ND filter...although i'm going to try and make a DIY rear ND filter...  Image hosted by forum (837384) © DreDaze [SHARE LINK] THIS IS A LOW QUALITY PREVIEW. Please log in to see the good quality stuff.  Image hosted by forum (837385) © DreDaze [SHARE LINK] THIS IS A LOW QUALITY PREVIEW. Please log in to see the good quality stuff. Andre or Dre
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CheshireCat Goldmember 2,303 posts Likes: 407 Joined Oct 2008 Location: *** vanished *** More info |
1Dx, 5D2 and some lenses
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MikeWa Senior Member  More info | Jan 30, 2017 11:41 | #12 Try buffing the lens with Pledge or some similar product and see what happens. Mike...G9; 7D; 7D Mark II; EF-S 10-22mm; EF-S 18-135mm IS STM; EF 28-300mm F3.5-5.6L; EF 70-300mm IS USM; EF 70-200mm F2.8L IS-II; EF 100-400mm f4.5-5.6L IS; EXT 1.4-II & 2.0-III; The more I learn the less I know.
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Jan 30, 2017 21:23 | #13 MikeWa wrote in post #18259633  Try buffing the lens with Pledge or some similar product and see what happens. Mike no offense, but i can't tell if this is serious or not...i'll give it a shot if you are Andre or Dre
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MikeWa Senior Member More info | Jan 31, 2017 18:26 | #14 DreDaze wrote in post #18260148 no offense, but i can't tell if this is serious or not...i'll give it a shot if you are took it out today, and it's rough...the flare is just brutal...will post some pics later...but i'm having a hard time finding it usable in it's current condition...i think logically i'll have to either have it replaced, or figure something out Actually I am serious. I use this to repair CDs and DVDs quite frequently. I also use it for the windshield on my motorcycle. It fills blemishes nicely and can be buffed out enough to be clear. That said I have never tried it on a camera lens. But looking at yours I don't see much to loose. If it is worse it can be removed with a little cleaner. Mike...G9; 7D; 7D Mark II; EF-S 10-22mm; EF-S 18-135mm IS STM; EF 28-300mm F3.5-5.6L; EF 70-300mm IS USM; EF 70-200mm F2.8L IS-II; EF 100-400mm f4.5-5.6L IS; EXT 1.4-II & 2.0-III; The more I learn the less I know.
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