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Archive 2012 · How much AF Fine Tuning is reasonable

  
 
EB-1
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p.2 #1 · How much AF Fine Tuning is reasonable


NathanHamler wrote:
To the original poster, how does the lens perform shooting ACTUAL subjects, at ACTUAL distances?? You dont shoot everything at 2ft distances do you??

I stopped shooting rulers and test charts a long time ago, when i realized it was pointless...



Use the long ruler kit. It helps distance accuracy with some, but not all lenses. The other thing to do for distance is print simple black and white "X +" test targets on paper.

EBH



May 23, 2012 at 06:34 AM
Rodolfo Paiz
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p.2 #2 · How much AF Fine Tuning is reasonable


I wish people would stop returning lenses or bodies that need some adjustment. That drives up the costs for everyone in the system and makes no sense. Just send the item in to Nikon and they'll get it fixed up for you.

That's the best and quickest way to get a camera or lens in perfect condition. It's also what the warranty is for: fixing any problems you might have with the item you bought so that it's satisfactory. Returns are for when you don't want the item at all.



May 23, 2012 at 07:16 AM
Nathan Padgett
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p.2 #3 · How much AF Fine Tuning is reasonable


Rodolfo Paiz wrote:
I wish people would stop returning lenses or bodies that need some adjustment. That drives up the costs for everyone in the system and makes no sense. Just send the item in to Nikon and they'll get it fixed up for you.

That's the best and quickest way to get a camera or lens in perfect condition. It's also what the warranty is for: fixing any problems you might have with the item you bought so that it's satisfactory. Returns are for when you don't want the item at all.



I disagree with you on this. If you had a broken TV or even a broken refrigerator would you send it in to get calibrated or fixed? Or would you return it? Most people are going to return it. The stores should be sending them back to Nikon if they are defective.

I can't get over how many people seem to be ok with fine tuning. I've never had to fine tune any Nikkor lens on any of my cameras. Maybe I've been lucky. I expect them to be good right out of the box. If a lens was not perfect and not new, I'd give the fine tune a shot. I'd be sure to test it at different distances and focal lengths though.

I really think a lot of people have D800s that have problems and they just don't realize it yet or just don't want to accept it. Everyone is getting caught up with excuses, "you have to have better technique because of the megapixels", "you need to fine tune your lens", ect, ect.

My D800 was a dud. However it fooled me for while. In certain situations I would hit focus fine or close enough to make me think I had screwed up. I even tested it once and thought it was good because I only checked it at close range and the center focal point. But when I still had problems I tested it again with the left focal point and the center focal point at distance, and it became very obvious it had serious problems. I returned it to the store, and will wait for my D800E to arrive. I will be sure to test it carefully before it ruins any important photos like my D800 did.



May 23, 2012 at 12:48 PM
Rodolfo Paiz
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p.2 #4 · How much AF Fine Tuning is reasonable


Nathan Padgett wrote:
I disagree with you on this. If you had a broken TV or even a broken refrigerator would you send it in to get calibrated or fixed? Or would you return it? Most people are going to return it. The stores should be sending them back to Nikon if they are defective.


If I have a TV or fridge that isn't working right, I call to get repair service under warranty. I do not return the appliance unless I don't want that appliance at all. You're welcome to your opinion, of course... and you are illustrating precisely what I am saying: I wish people would realize that warranties are for fixing or replacing things which aren't working right but which you do want, while returns to the store are ideally for items that you have decided you don't want at all.

This is the same reason why many appliances or electronics now have a big piece of paper prominently visible when you open the box, saying "If you have any problems, PLEASE DO NOT RETURN THIS ITEM TO THE STORE. CALL US FIRST!" (Emphasis and caps theirs, not mine, since I'm looking at one such paper right now.)



May 23, 2012 at 01:37 PM
Bruce Sawle
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p.2 #5 · How much AF Fine Tuning is reasonable


If I receive new broken or damaged item I will return it for a new not broken or damaged one. If I have owned the item past the return policy and then it breaks I would then use the warranty. I refuse to purchase and keep something new that is broken.


May 23, 2012 at 01:58 PM
Nathan Padgett
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p.2 #6 · How much AF Fine Tuning is reasonable


Rodolfo Paiz wrote:
If I have a TV or fridge that isn't working right, I call to get repair service under warranty. I do not return the appliance unless I don't want that appliance at all. You're welcome to your opinion, of course... and you are illustrating precisely what I am saying: I wish people would realize that warranties are for fixing or replacing things which aren't working right but which you do want, while returns to the store are ideally for items that you have decided you don't want at all.

This is the same reason why many appliances or electronics now
...Show more

I'd happy to use my warranties to get service, like on lenses. But not if they are brand new. 2-3 years down the road, yes. Who wants a new camera that has to be repaired? It's like buying a refurb at new prices. (not that there is anything wrong with a refurb).



May 23, 2012 at 03:03 PM
Frode
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p.2 #7 · How much AF Fine Tuning is reasonable


I also needed +20 with my 85 1.8G on my D3. Great combo, though.


May 23, 2012 at 03:06 PM
Rodolfo Paiz
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p.2 #8 · How much AF Fine Tuning is reasonable


Bruce Sawle wrote:
If I receive new broken or damaged item I will return it for a new not broken or damaged one. If I have owned the item past the return policy and then it breaks I would then use the warranty. I refuse to purchase and keep something new that is broken.


I'm with you. I'd return a broken item too. I just don't consider a camera or lens that needs calibration "broken".



May 23, 2012 at 04:09 PM
elbeasto
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p.2 #9 · How much AF Fine Tuning is reasonable


visionguru wrote:
"calibration" is for both your D700 & 50/1.8g, you definitely cannot be sure "I'm armed with the knowledge that there's nothing wrong with my AF system". Why? If you 50/1.8g needs +15, and your D700 was "calibrated" -15 to compensate it. Then on every perfect lens, your D700 will have to be fine tuned +15.

If your D700 has problems with TWO 24-70s, most likely your D700 is at fault, not 24-70s. I somehow agree with the sales person.


Because you didn't read my post correctly, the 50 1.8G needs no adjustment, both 24-70's needed +20 and +15 respectively.
I also stated in my first post that I agree with the salesman, Perhaps you didn't catch that either.

Why quote "calibrate" every time you type it? Are you trying to make some point with this?

Again, this was my first experience buying a pro zoom & thought that since my 50 1.8G was fine that it must have been the 24-70, after the second one front focused, I realised that it was probably the body.

Anyway, hope this makes the OP feel a little better in that it's a common issue.



May 23, 2012 at 06:58 PM
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