Go to a  "printer friendly" view of this message which allow an easy print Printer-friendly copy Go to the page which allows you to send this topic link and a message to a friend Email this topic to a friend
Forums Lobby GET TO KNOW YOUR CAMERA & MASTER IT Nikon D7100, D7000 (Public) topic #27007
View in linear mode

Subject: "RE: D7100: AF focuses on background a lot?" This topic is locked.
Previous topic | Next topic
This message is locked.
kuzzy Silver Member Nikonian since 12th Dec 2005Wed 08-May-13 01:51 AM
1235 posts Share on Facebook Share on Twitter Share on Linkedin    Click to send email to this author Click to send private message to this authorClick to view this author's profile
#32. "RE: D7100: AF focuses on background a lot?"
In response to In response to 31
Wed 08-May-13 01:55 AM by kuzzy

Milford, US
          

Neil, The latest version of View NX2 is 2.7.5. I had an older version on my computer and tried to view the NEF's and got the same message. You probably just need to upgrade your copy as I have since done and they now are working just fine.

The focus points are visible on the 3 NEF's I downloaded, 0404,0405 and 1009 (also just did 0517). I really had a hard time understanding 1009 until I just looked at the RAW image and looked at the carpet. It would appear that the carpet on a plane with the focus point, the drummers mid section, is in focus and not the table leg behind him as it appears at first blush. Looking at the carpet it looks like focus was much more accurate than originally suspected. Unfortunately there are no similar reference points to look at in the other images so it is more difficult to say on those. I believe that most of the issue here is caused by 24 Million tiny little pixels as opposed to 12 million in the D300. The extra pixels add more resolution both good and bad. I believe what you see is motion blur from the drummer moving with a shutter speed of 1/100. I would tend to agree with Omari that he does not have a backfocus problem or a problem created by less than perfect hand holding technique at these rather slow shutter speeds.

I think some controlled testing is the only way to narrow this down.

Your stop sign test is a good idea for locating the sensors. I have thought that my D7000 is off on the right side of the center focus point in particular but I have not had the inclination to try an elaborate test. Your idea sounds simple and it should give one a pretty good idea of exactly where the sensor is. Thanks for the idea.

Omari, some nice street shots on you blog. I really like the reflection shot.

Marc
There are always two people in every picture: the photographer and the viewer.-Ansel Adams

http://500px.com/WhatISaw
http://kuzzy.smugmug.com

Visit my Nikonians gallery.

  

Alert Printer-friendly copy

This is a hot topic – It has been locked by a team memberD7100: AF focuses on background a lot? [View all] , doppler_fto , Fri 03-May-13 07:19 AM
 
Subject Author Message Date ID
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
03rd May 2013
1
Reply message RE: D7100: AF focuses on background a lot?
Toby01 Silver Member
03rd May 2013
2
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
03rd May 2013
5
     Reply message RE: D7100: AF focuses on background a lot?
Toby01 Silver Member
03rd May 2013
7
Reply message RE: D7100: AF focuses on background a lot?
JosephK Silver Member
03rd May 2013
3
Reply message RE: D7100: AF focuses on background a lot?
unclemikey Platinum Member
03rd May 2013
4
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
03rd May 2013
6
Reply message RE: D7100: AF focuses on background a lot?
unclemikey Platinum Member
03rd May 2013
8
Reply message RE: D7100: AF focuses on background a lot?
golfercat Silver Member
04th May 2013
9
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
11
Reply message RE: D7100: AF focuses on background a lot?
km6xz Moderator
04th May 2013
10
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
14
     Reply message RE: D7100: AF focuses on background a lot?
golfercat Silver Member
04th May 2013
16
Reply message RE: D7100: AF focuses on background a lot?
JosephK Silver Member
04th May 2013
12
     Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
13
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
15
     Reply message RE: D7100: AF focuses on background a lot?
km6xz Moderator
04th May 2013
17
     Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
22
     Reply message RE: D7100: AF focuses on background a lot?
kuzzy Silver Member
04th May 2013
18
          Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
21
          Reply message RE: D7100: AF focuses on background a lot?
JosephK Silver Member
04th May 2013
23
               Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
24
                    Reply message RE: D7100: AF focuses on background a lot?
jhearl Silver Member
06th May 2013
26
                         Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
06th May 2013
27
                              Reply message RE: D7100: AF focuses on background a lot?
jhearl Silver Member
06th May 2013
28
                                   Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
06th May 2013
29
Reply message RE: D7100: AF focuses on background a lot?
blw Moderator
04th May 2013
19
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
04th May 2013
20
     Reply message RE: D7100: AF focuses on background a lot?
Clint S Silver Member
05th May 2013
25
Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
07th May 2013
30
Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
07th May 2013
31
     Reply message RE: D7100: AF focuses on background a lot?
kuzzy Silver Member
08th May 2013
32
          Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
08th May 2013
33
               Reply message RE: D7100: AF focuses on background a lot?
elec164 Silver Member
08th May 2013
34
                    Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
08th May 2013
35
                         Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
09th May 2013
36
                              Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
09th May 2013
37
                              Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
09th May 2013
38
                                   Reply message RE: D7100: AF focuses on background a lot?
FutureLook Silver Member
09th May 2013
39
                                   Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
09th May 2013
40
                                        Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
09th May 2013
41
                                        Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
09th May 2013
42
                                        Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
09th May 2013
43
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
12th May 2013
44
Reply message RE: D7100: AF focuses on background a lot?
JosephK Silver Member
12th May 2013
45
Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
13th May 2013
47
     Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
13th May 2013
48
Reply message RE: D7100: AF focuses on background a lot?
nrothschild Silver Member
13th May 2013
46
     Reply message RE: D7100: AF focuses on background a lot?
asoka
14th May 2013
49
          Reply message RE: D7100: AF focuses on background a lot?
doppler_fto
15th May 2013
51
Reply message RE: D7100: AF focuses on background a lot?
km6xz Moderator
15th May 2013
50
Reply message RE: D7100: AF focuses on background a lot?
km6xz Moderator
15th May 2013
52

Forums Lobby GET TO KNOW YOUR CAMERA & MASTER IT Nikon D7100, D7000 (Public) topic #27007 Previous topic | Next topic


Take the Nikonians Tour and learn more about being a Nikonian Wiki /FAQ /Help Listen to our MP3 photography radio channels Find anything on Nikon and imaging technology - fast!

Copyright © Nikonians 2000, 2014
All Rights Reserved

Nikonians®, NikoScope® and NikoniansAcademy™ are trademarks owned by Nikonians.org.
Nikon®, Nikonos® and Nikkor® are registered trademarks of Nikon Corporation.