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focus nicon d90
Dec 29, 2012 08:25:44 #
hi i cant get the best focus point for birds is it single focus or what tryed the 3 and still not happy help please i am a beginner .
Dec 29, 2012 09:14:26 #
ONE focus point and a LOT of practice, helps if you state what you are using when asking questions
Dec 29, 2012 15:14:00 #
Dec 29, 2012 15:31:19 #
Hello Tamurman, Coatachrome here.
If you are having focus problems with your D90, try this.
Switch your camear to the single focus point mode.
Use the command dial and select the Arperture priority mode and select either an f8 or f11 stop, let the camera decide what shutter speed to use.
If set your lens to 135mm and you are about 10 feet away from your subject a f-stop of f8 will give you a depth of field of about 10 to 12 feet. Everything in that range will be in focus. The smaller the f-stop the greater the depth of field will be.
Expierment with the arperture priority mode and see how the depth of field will be impacted by the various f-stop settings.
If you are having focus problems with your D90, try this.
Switch your camear to the single focus point mode.
Use the command dial and select the Arperture priority mode and select either an f8 or f11 stop, let the camera decide what shutter speed to use.
If set your lens to 135mm and you are about 10 feet away from your subject a f-stop of f8 will give you a depth of field of about 10 to 12 feet. Everything in that range will be in focus. The smaller the f-stop the greater the depth of field will be.
Expierment with the arperture priority mode and see how the depth of field will be impacted by the various f-stop settings.
Dec 29, 2012 18:00:32 #
thanks very much i will try this my friend and let you know the outcome .Tommy
Dec 30, 2012 14:22:14 #
Hello Tommy, Coatachrome here.
A few more items to consider.
One item that may be of interest to you about your D90. Some poor focus problems can be caused because the optical low-pass filter (OPLF) can collect dust particles. Your D90 does have a self cleaning mode,
You can access it by from your set-up menu. Navigate to the SET UP menu. The 4th item on that menu should read, Clean Image Sensor. Select that function and you will see, Clean Now. Be sure your camera is on a solid surface in the standard shooting position, and press OK.
The sensor will be cleaned and you will return back to the SET UP menue.
The sensor cleaning can be set to work automatically to clean at start-up, shut down, or both, I leave it off and clean it each time before I use the camera. You can find information about the self cleaning function on page 244 of the D90 Manua.
Your note said you were a beginner in photography, here are some things that may help you. If you do an internet search for Magic Lantern Guides you will find a book written by Simon Stafford specifically for the D90. It is much better than the Nikon D90 manual because it was written by a photographer, not a marketing/engineering department.
One other great resource is a book titled, Understanding Exposure written by Bryan Peterson. This is a great resource for any type of photographer or photography.
I hope you find this bit of information usefull.
Best,
Coatachrome
A few more items to consider.
One item that may be of interest to you about your D90. Some poor focus problems can be caused because the optical low-pass filter (OPLF) can collect dust particles. Your D90 does have a self cleaning mode,
You can access it by from your set-up menu. Navigate to the SET UP menu. The 4th item on that menu should read, Clean Image Sensor. Select that function and you will see, Clean Now. Be sure your camera is on a solid surface in the standard shooting position, and press OK.
The sensor will be cleaned and you will return back to the SET UP menue.
The sensor cleaning can be set to work automatically to clean at start-up, shut down, or both, I leave it off and clean it each time before I use the camera. You can find information about the self cleaning function on page 244 of the D90 Manua.
Your note said you were a beginner in photography, here are some things that may help you. If you do an internet search for Magic Lantern Guides you will find a book written by Simon Stafford specifically for the D90. It is much better than the Nikon D90 manual because it was written by a photographer, not a marketing/engineering department.
One other great resource is a book titled, Understanding Exposure written by Bryan Peterson. This is a great resource for any type of photographer or photography.
I hope you find this bit of information usefull.
Best,
Coatachrome
Dec 30, 2012 14:49:36 #
FilmFanatic
Loc: Waikato, New Zealand
coatachrome wrote:
Hello Tommy, Coatachrome here. br br A few more i... (show quote)
Unless you are using Liveview, I fail to see what the sensor has to do with autofocus, the af sensor is located separately, where it has been long before the advent of digital
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Dec 30, 2012 18:58:56 #
Hello Tamurman:
Take a look at the shot of a Whit Heron (?) that I shot yesterday using a Nikon D90 and a 70 - 300mm lens. Bird was shot from about 15 yards away. Camera was hand held and the lens was racked out to 250mm. 1/1000, at 5.6f. Very little post op. Minor color, and a 20% zoom
Take a look at the shot of a Whit Heron (?) that I shot yesterday using a Nikon D90 and a 70 - 300mm lens. Bird was shot from about 15 yards away. Camera was hand held and the lens was racked out to 250mm. 1/1000, at 5.6f. Very little post op. Minor color, and a 20% zoom
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