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Old Dec 26, 2012, 7:39 PM   #11
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Originally Posted by Logo10heli View Post
Thank you Wingman for your comments. Wonderful airplane images !

Are there some simple static tests I could perform with my D90 and 50-500 OS on a tripod to see if I have a front or back focusing issue ? Or perhaps a bad copy of this lens ?
Any time I have purchased a new lens, I use this focus chart test to check for front/rear focusing issues. You can peruse the entire document, but the instructions for setting up your camera and found in the 13 with the chart on page 18.

http://focustestchart.com/focus21.pdf

Jehan
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Old Dec 26, 2012, 10:20 PM   #12
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Regarding the subject of checking your lens for correct focusing,
Here are two articles written by Thom Hogan on AF troubleshooting.
Both are worthwhile reads as they help illuminate the variables involved in AF.

http://www.bythom.com/autofocus2.htm

http://www.bythom.com/autofocus.htm
Thanks zig. I'll take a look.
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Old Dec 26, 2012, 10:21 PM   #13
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Any time I have purchased a new lens, I use this focus chart test to check for front/rear focusing issues. You can peruse the entire document, but the instructions for setting up your camera and found in the 13 with the chart on page 18.

http://focustestchart.com/focus21.pdf

Jehan
Thanks Wingman. I'll print the chart and test my camera/lens.
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Old Dec 27, 2012, 9:40 PM   #14
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Totally agreed with Zig reply, I use single point center using AF-C on my D300 and I have more keepers.






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Old Dec 29, 2012, 8:05 AM   #15
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Hi Marcelo,

That's a great photo of the swan. The focus is dead on.

Zig
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Old Dec 31, 2012, 6:12 PM   #16
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Hi,
I'm in the process of changing over from Olympus, more than likely it will be Nikon. Knowing Zig from his Oly days I come in to see how he is doing and to pick up some tips and information from more camera savvy people than myself.
I am not technical but I can tell you from experience that focus points are only part of the issue with taking BIF shots. The E510 only has 3 focus points and terrible ISO abilities, not even in the same realm as most Nikons. Yet you can still manage to get some pretty decent shots. I think outside knowing the limitations of your own equipment that learning to pan correctly is one of hardest things to do. I am changing formats because of lens and ISO limitations and Nikon seems to have that problem under control.
Here are a few E510/70 300 Bifs at 400ISO
Thanks, Eric
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Old Jan 1, 2013, 7:41 AM   #17
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Hi,
I'm in the process of changing over from Olympus, more than likely it will be Nikon. Knowing Zig from his Oly days I come in to see how he is doing and to pick up some tips and information from more camera savvy people than myself.
I am not technical but I can tell you from experience that focus points are only part of the issue with taking BIF shots. The E510 only has 3 focus points and terrible ISO abilities, not even in the same realm as most Nikons. Yet you can still manage to get some pretty decent shots. I think outside knowing the limitations of your own equipment that learning to pan correctly is one of hardest things to do. I am changing formats because of lens and ISO limitations and Nikon seems to have that problem under control.
Here are a few E510/70 300 Bifs at 400ISO
Thanks, Eric
Good morning and happy new year Eric.

The photos you posted taken with the E-510 are a testament to your perserverance in working with the E-510's limited abilities. The E-510 has such a limited AF system as well as low dynamic range as compared to the newer Nikons available today with the D7000 being just one of them. The E-30 was a significant improvement, but the AF system still fell far short of the mark.

The only thing I miss from my Olympus days is the 50-200mm ED lens. While I love the NIKKOR 70-200mm f2.8 VR lens, I dont believe I have ever owned a sharper long zoom than the 50-200mm. BUT, the superior performance of the Nikon cameras make me forget about that very quickly.

Good luck on your decision and I encourage you to ask any question you like, here on the Nikon forum. There are lots of very knowledgable regulars here willing to help.
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Old Jan 2, 2013, 9:42 AM   #18
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Good tips here.
I have a lot of luck using my D3 & Sigma APO 150-500mm f/5-6.3 DG OS HSM
The Nikkor AF 80-200mm f/2.8D ED is a good lens, but not long enough for BIF.
I've got a lot of flight shots on my website, hummers, eagles, birds.
http://www.moskovita-photography.com/
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Old Jan 2, 2013, 9:58 AM   #19
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Default D300s refurb. or D7000 new

I want to thank everyone who has helped with my questions.

I thought this decision would be easier. In fact, at one point I had decided on a used D300 or D300s whichever was a better deal. Then the sale price makes me look again at the D7000. So I've read countless posts about each camera and its merits, and weaknesses. I've read reviews from many websites. For my needs (wildlife and birds in flight) it comes down to this: The better AF and buffer of the D300 or the better IQ of the D7000.

Used D300 : $500-700

Used D300s : $700-1100

Refurb. D300s : $999

New D7000 : $897

I've also considered the Nikon 300 f/4 and 1.4/1.7 TC as this combo gets good reviews. Perhaps I should try this first on my D90 and compare to the Bigma.

Any thoughts ?

Last edited by Logo10heli; Jan 2, 2013 at 10:31 AM. Reason: prices
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Old Jan 2, 2013, 10:47 AM   #20
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I wouldn't bother with a used dSLR. There's no way to tell how much use and abuse it's suffered. With a refurbished unit, at least it's been given a thorough once-over before you got it.

If you can't get what you want from a lens, adding a TC isn't a good way to go. That is, don't buy a lens with the intention of using it with a TC. Get a lens that will do what you want unassisted, and use a TC for occasional situations where you need a little bit more reach.
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