Question about Nikon 100mm f/2.8 Lens
This is a Nikon 100 mm f/2.8 Series E... it was used for years in photo studio for shooting portraits so the manual focus ring was hardly ever used. at present is very hard to turn the ring in order to focus the lens.
Barrel distortion like you describe can always be a problem, especially at ultra-wide focal lengths like yours at 12mm. Some of this can be compensated for in software... Adobe Photoshop CS2 and Elements do a reasonable job, IMO, Bibble Pro (www.bibblelabs.com) does even better, especially with the 3rd party plugins like Percy perspective correction. These are things we have to live with when we have smaller sensors and ultra-wide angle lenses. There is nothing wrong with your lens, you will probably find that this distortion is minimized if you use a longer focal length (say 14mm) and/or stop down the lens a bit.. try f8, wide angle lenses have huge depth of field.
Posted on May 20, 2008
I had the exact same problem, took it to a repair shop, and they said the motor had to be replaced completely for $140! The lens is only 18 months old and was not used THAT much! Argh.
Posted on Sep 09, 2009
Unfortunately not. If the Nikon centre think it's been dropped, then you're stuck. They may well think so due to additional wear and damage caused as the initial fault progressed; this may well resemble the damage caused when a lens is dropped. You should really have sent it for repair as soon as the fault occurred.
All you can do is to write a letter of complaint to Nikon, asking them to intervene on your behalf with their authorised repair centre. It will help if you tell them how long you've been loyal to Nikon for and what other Nikon products you own; also state that if you must buy another lens that your money will instead go to one of their competitors instead and that when you replace your camera you will think hard before purchasing from Nikon again. It also helps if you tell them that you were well aware that you would be charged for any repairs caused by misuse, such as dropping your lens, and so would not have bothered to try and claim under warranty under such circumstances as it wasn't worth the risk of having to pay a big bill just to get a broken lens returned to you. Tell them that you have not dropped the lens and so you dispute their findings, and at the very least request that the lens is returned to you without charge so that you can get the lens examined by an independent repairer.
As long as your letter is polite, factual and states your argument clearly then you maximise your chances of getting them to revise their position to give you the benefit of any doubt.
Posted on Mar 11, 2010
Testimonial: "Good honest reply and very constructive ideas for what to include in a "polite letter of complaint"."
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