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11-28-2013, 10:38 PM   #1
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Worth getting these lenses cleaned up or money towards better ones?

hey fellas,

So I got a Sigma DG 70-300 4-5.6 Macro and a Sigma DC 18-125 3.5-5.6 with a K100D I picked up recently and have noticed that they both have a considerable amount of dust and a bit of fungus by the looks of it.

The only pricing I can get is $66 an hour labour, I'm assuming theres a couple of hours involved and from what I can see these lenses are only worth



Thanks.

11-29-2013, 05:13 AM   #2
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Used or New?

Hello McChucklenuts, welcome to the forum!
In the case of the 70-300mm, I'd say buy a new one. For about the repair price quoted, you're better off;
Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens 508109 B&H
With the super-zoom, a new replacement would cost $300-$350, so the issue is not so clear. Assuming you buy a new 70-300mm, you really only need an 18-70mm (roughly), not the tele end, since you've already got it covered with the telephoto zoom. So, you might want to compare prices here;
https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/243556-3rd-...available.html
In addition to available Pentax-brand lenses.
Generally speaking, having it done professionally must be weighed against the time, $$ and possibility that the lens has other problems, vs the peace of mind (and warranty!) of a new purchase.
Unless you can do it yourself, or it's an exceptionally valuable, rare or specialty lens.
JMO, good luck!
Ron
11-29-2013, 06:40 AM   #3
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Thanks for the reply.

They are both used.
I'm not too fussed as for the use I would have with the 70-300 I use my Nikon D7000.

I would have more use with the 18-125, or a couple of primes, as I'm finding the K100D to be much nicer for artsy stuff.
I do also have a couple of M42 primes to use (mamiya sekor sx 55/1.8 and pentacon 1.8/50 auto),Tokina 135mm 2.8 , no idea what they are like though, still need to get an adapter.
Also have a Hanimex 80-200 but has a ton of oil on the blades and wont move, the same with a Chinar 80-200.

I might attempt it myself, try and learn, the lens is pretty useless on things with a plain background, dark lines all over the place.
The 18-125 is not really that good either but passable in some uses.
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