Question about Nikon 18-70mm f/3.5-4.5G ED-IF AF-S DX Zoom Nikkor Lens
I dropped this lens and the glass is not broken but has separated at what I think is the aperture ring. It is not completely in two pieces but has separation.Would it it possible to fix it and would it be worth fixing for the price?
I doubt it is possible to repair. These lenses are mostly made out of plastic pieces. There is probably something broken and/or bent. Lenses are manufactured with extremely great care. When a lens element is only a millimetre or two out of alignment you probably will get faulty images (flare, unsharp, focus shift, etc).
Take it to a repair shop and have them examine the lens if that's free of charge. Without photo's it is hard for me to judge if its total loss or not.
Posted on Jan 04, 2014
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Posted on Jan 02, 2017
this same thing is happening to me on my D70s.
i posted about it at photo.net and everyone is stumped.
i already returned the lens and got a new one...
same problem. i don't know what's wrong.
does anyone here have any insight?
Posted on Aug 16, 2008
SOURCE: Sticking aperture
Yes. A good camera technician can partially disassemble the lens and then thoroughly clean the blades and the rest of the aperture diaphragm mechanism. This is commonly referred to as an internal CLA (cleaning, lubrication, and adjustment). This is a very nice macro lens and it is worth repairing if it otherwise is in exceptionally nice condition.
Posted on Apr 21, 2009
Hi. I have this same problem. Have you managed to fix it yet? I've been told that it would cost £100 to fix it, plus a charge of £20 to send it away.
Posted on Jan 26, 2010
SOURCE: My Nikon D-40 has a
If you are experienced or brave enough, dismantle the lens from the rear until you can recover the loose piece. You will probably find that the rear cluster of lenses has fallen off the other end of the helical cam tracks on which it travels. This happens because the two steel strips have got bent. They should run exactly parallel to the axis of the tube. Remove the two strips (4 screws) and straighten them carefully. Reassembling this lot is difficult. Engage the lens cluster on its tracks--it will fit 3 ways and only one is correct. The loose piece is a light baffle which engages with the back of the lens cluster and again will fit two wrong ways and one correct. It has a projecting lug which travels down a groove in the tube. When I had reassembled mine it still felt stiff and about to seize again and I am sure that excessive friction causes so much force that the steel strips bend and lead to it all falling to pieces. I greased the moving parts with silicone grease (from a plumbers merchant!) --most other lubricants either harden up or damage the plastic. I managed to break the wires to the auto-manual switch but they were easily resoldered. The lens now zooms smoothly and takes good pictures. But take care--it is easy to create more faults as you go.
Posted on Nov 06, 2010
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