help with my 18-135mm
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Old 07-17-2017   #1
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Default help with my 18-135mm

so my bonehead ex-roomate scratched my lens and refuses to repair or pay for a new one. Any one have any ideas what I can do about this?

IMG_1584.jpg

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Old 07-17-2017   #2
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Default Re: help with my 18-135mm

Quote:
Originally Posted by Justsomeguy86 View Post
so my bonehead ex-roomate scratched my lens and refuses to repair or pay for a new one. Any one have any ideas what I can do about this?

Try this, I have done this on eyeglasses and it does work. Follow the directions to a T, don't hurry, and it turns out almost like it was never scratched.
https://www.ifixit.com/Guide/How+to+...s+Lenses/40182
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Old 07-17-2017   #3
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Default Re: help with my 18-135mm

For front or rear element scratches, there is a simple DIY for the brave heart.
Buy a "for parts lens" from evil bay, KEH etc. Replace the elements.
Resell the old lens as someone may need parts from another area of the lens.
NOTE: How to get at the front element - lots & lots of resources if you Google.
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Old 07-17-2017   #4
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Default Re: help with my 18-135mm

`


Did your bonehead late roommate literally
remove the UV filter, which all denizens of
communal housing keep on their lenses at
all times, and then attack your lens ? Just
curious what kinda bonehead incident this
is, not actually like I'm blaming the victim.

And I do have some useful advice for this
problem. Avoid small apertures, short FLs,
close focusing, and bald sky [or any blank
light-toned backgrounds] ... especially any
combinations of those elements. If this is
not a solution for you, just junk the lens.

Do not dispose of it in the same dumpster
as the body. This could lead the homicide
folks directly to you. After all, you didn't
kill him over a cheap kit lens. You're not a
jerk. You killed him for his attitude, as any
righteous dude is duty bound to carry out.
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Old 07-17-2017   #5
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Default Re: help with my 18-135mm

Quote:
Originally Posted by nanhi View Post
For front or rear element scratches, there is a simple DIY for the brave heart.
Buy a "for parts lens" from evil bay, KEH etc. Replace the elements.
Resell the old lens as someone may need parts from another area of the lens.
NOTE: How to get at the front element - lots & lots of resources if you Google.
Procedurally, a fine procedure. As applied to a kit lens ?
Sketchy.

And anywho, NO KEH !

KEH pricing is such that the price they want for a parts lens
will pay for about 85% of buying an intact lens elsewhere.
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Old 07-17-2017   #6
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Default Re: help with my 18-135mm

Quote:
Originally Posted by Didereaux View Post
Try this, I have done this on eyeglasses and it does work.
Follow the directions to a T, don't hurry, and it turns
out almost like it was never scratched.
https://www.ifixit.com/Guide/How+to+...s+Lenses/40182
Read the linked pages. They speak for themselves.
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Old 07-17-2017   #7
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Default Re: help with my 18-135mm

All my eye glasses are coated PLASTIC Lenses. Fine to remove scratches from quite easily, but please note the following:-

a) Lens glass are harder and will take plenty of time to polish off the scratch. It also depends on how deep it is.
b) It will remove the multi coating. Without the coating digital cameras perform very badly.
c) The first layer is this HARD MULTI COATING, before you get to the Glass. Tough job, not that it can't be done.
But you ill end up with a "BAD" lens.

Changing the front element is your best bet. I know finding a "parts only lens" is a tough job.

NOTE: a) Someone once wrote on the Internet about Pro Photographers: Constant use and cleaning leave swirl marks and very fine scratches on the front element. The Pro will immediately dispose of this lens - his bread & butter after all. But maybe just OK for us Amateurs.
b) OK here is an Optics Professional in India who can help you. He will not accept the Lens, just the front element. He is NOT a Repair man, rather a Manufacturer of Optical Equipment. And he will do it as a favor only.
So please humour him.
Mr. Mukul Garg, CEO
Optical Components,Optic Lenses,Infrared Optical Filters,Meniscus Lenses Manufacturers
uniopt@hotmail.com
UNIVERSAL OPTICS.
D-1, INDUSTRIAL ESTATE.
ROORKEE - 247667.
(UTTARAKHAND)
INDIA.

He did a great job on my Father's Rolleiflex F Planar 2.8 Lens. Came back like a jewel, coatings and all. I did the lens removal & fitment.
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Old 07-18-2017   #8
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Default Re: help with my 18-135mm

Or, if the lens is valuable enough, just send the thing in to a repair shop and have them replace the element, or at least get a quote.
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Old 07-19-2017   #9
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Quote:
Originally Posted by scoundrel1728 View Post

Or, if the lens is valuable enough, just
send the thing in to a repair shop and
have them replace the element, or at
least get a quote.
Thaz the point. It's one of those f:3.5-5.6 kit
lenses. Labor is not cheaper just cuz the lens
is cheap. Once you involve labor cost, you're
better off to junk it and buy a used lens [NOT
from KEH].

This whole thing coulda been worse. What if
the lens had a UV filter and the filter took the
damage ? Peeps get emotionally attached to
UV filters. He coulda been scarred for life. But
fortunately, the lens was NOT wearing a filter,
and so it's a simple matter of dumpsterizing it
with no regrets, no emotional scars. Don't you
just looooove a happy ending ?
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Old 07-19-2017   #10
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Default Re: help with my 18-135mm

I don't know what you have against KEH, but I have generally had good luck with them. Their used exact replacements cost USD248, plus tax and shipping, whereas a new lens costs USD399 new from B&H photo. I would gladly take the (minimal) risk with KEH to save 150 bucks, give or take, which represents over a third off the cost of a new lens. You may be able to get a used one cheaper, but you also take more risk that way. If you know that the front element dings are the only damage, you might get a quote on having it repaired anyway. it isn't the most expensive lens of its kind out there; but at $399 new it isn't exactly cheap either and would at least be worth a quote.


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