Advice on a Broken Fish

Joined
Aug 6, 2006
Messages
1,850
Location
Tampa Bay
Well my butterfingers finally got the best of me this weekend. Swapping out lenses and my 10.5mm fisheye took a dive for the concrete. :frown: :mad:

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Surprisingly- it seems to work fine. :confused: Autofocus works fine- and I can't see any trace of the cracks in the quick shots I grabbed with it tonight.

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Any thoughts on this? Is it worth fixing? Should I even bother?
 
Joined
Oct 5, 2007
Messages
1,830
Location
Newtown, PA
I'd shoot it until the front element fell out of it. Who knows, might get some interesting results! I would imagine getting it repaired would be very close to the $500 a new one would cost, and it may never be right again.
 
Joined
Oct 9, 2005
Messages
24,258
Location
Moscow, Idaho
This ought to be made into a "Sticky" so folks can see what little impact small scratches have on the image--and then they won't be so paranoid about screwing up while cleaning a lens.:biggrin:

OUCH!
 
Joined
Jul 1, 2007
Messages
1,128
Location
Superior CO
take a test shot at closest focus and smallest aperture as a test before you get unwelcome surprises.

if you still don't see the effect, fill in the damaged portions of the front element with some kind of black paint. that should gain back some contrast as light hitting damaged regions will be scattered.
 
Joined
Sep 17, 2006
Messages
409
Location
Phoenix, Az
Try a picture in bright sun light and see what happens with the flare. Try different angles to the sun. My guess is that this is where you see the biggest effect.

Bob
 
Joined
Jan 3, 2008
Messages
381
Location
Huntsville, Alabama
Sorry about the accident Jeff! Suggest you continue using the lens. The chipped areas can cause glare over the detector if a bright source illuminates the front lens. One way to mitigate this problem is to "paint" the chipped glass area with a black Fine Point Sharpie (permanent marker type only). It may take a couple of coats.

Looking at your photograph, I think you got lucky in where the damage occurred. The top and bottom of the front lens element are not used in this lens (and the sides). Each detector element "views out" of the front lens surface of a diameter of less than about 5mm. The detector "footprint" on the front lens surface is a rectangle with blurry edges. What I'm trying to say is that the damaged area is in the unused portion of the surface. The scratches towards the middle may give trouble with bright sources. Also Jeff, I just guessing since I don't know which lens you have (DX or FX capable) and camera.

Regards,
 
Joined
May 4, 2008
Messages
1,575
Location
Stafford, UK
Well my butterfingers finally got the best of me this weekend. Swapping out lenses and my 10.5mm fisheye took a dive for the concrete. :frown: :mad:

Surprisingly- it seems to work fine. :confused: Autofocus works fine- and I can't see any trace of the cracks in the quick shots I grabbed with it tonight.

Any thoughts on this? Is it worth fixing? Should I even bother?
What a bummer, you are in US of A so not sure how your household insurance policies work, here in UK it is possible to claim on household insurance for accidental damage, i.e. you drop can of paint on carpet or you drop lens on the floor - same difference. Perhaps worth checking.

Regards,

Mladen
 
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Joined
Jan 11, 2006
Messages
26,905
Location
Clearwater, Florida
i have homeowners insurance as well
with insurance prices so high in the US now.... most of us (including me) will have a "$500.00 deductible" at the very least...
so, it would be CASH OUT OF POCKET, anyway.... sadly enough
 
Joined
May 4, 2008
Messages
1,575
Location
Stafford, UK
i have homeowners insurance as well
with insurance prices so high in the US now.... most of us (including me) will have a "$500.00 deductible" at the very least...
so, it would be CASH OUT OF POCKET, anyway.... sadly enough

Perhaps we are more in luck in UK (or maybe some of us), i have £1500 ($3000) covering any single item with £50 ($100) excess. I made a point to check with insurer (just in case) and a camera bag could be split on number of single items (God forbid if stolen or dropped into water, etc). If however any one have a single item costing above given treshhold than it is worthwhile taking specialist insurance. I think somebody today was bemoaning damage to 24-70mm (Italian lady - KGill). Yes, insurance of some sort is good way forward, kit is not cheap and emotional attachment is strong.

Regards,

mladen
 
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