Nikon D7100 1.3x option
Aug 21, 2015 10:35:51 #
tomeveritt wrote:
Listen to what these hogs are telling you. I have never even tried the 1.3 on my 2 D7100s. 1 crop per shot is enough! Shoot away with your Super Camera, the D7100.
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The D7100 is 24MP without cropping. No crop. Nope, none at all. Crop to 1.3 and your continuous shooting rate and buffer capacity goes way up.
Aug 21, 2015 10:41:14 #
Yes, the shooting rate & buffer capacity go up. That is due to the reduced file size (discarded info). Couple that with the fact that following action & trying to keep the subject within the crop borders is a PITA & I'll stick with cropping in post...Bigger images due to increased file size is preferable to me. We don't always need the crop & I'd rather decide how much to crop, if at all.
jcboy3 wrote:
The D7100 is 24MP without cropping. No crop. Nope, none at all. Crop to 1.3 and your continuous shooting rate and buffer capacity goes way up.
Aug 21, 2015 15:52:42 #
Susieb721 wrote:
I've just learned that my D7100 has an option to c... (show quote)
I have not actually paid attention to this. The way they do this is to discard the information in the surrounding pixels and only use the center. There is no reason to use this "feature" that I see. I expend a lot of thought, energy and money to record the most information possible. That lets me crop and manipulate in post processing (Developing). If you want to achieve that same effect in PP, you just crop for it.
My principle is always get everything you pay for in photography. Never discard information in the original image.
Aug 21, 2015 20:29:16 #
I must say, this is one of those rare times when all respondents pretty much agree ... don't use the IMAGE AREA option. Pages 68 and/or 167 in your owners manual should be enough for you to see why. I don't use it.
Aug 21, 2015 23:05:30 #
I use it all the time with FX lenses, it is better than a TC as there is no aperture loss, however there is resolution loss.
Aug 21, 2015 23:12:06 #
Brucej67 wrote:
I use it all the time with FX lenses, it is better than a TC as there is no aperture loss, however there is resolution loss.
Why do you feel there is resolution loss?
Aug 21, 2015 23:54:35 #
Jackdoor wrote:
This, and the smaller files for storage, are the only possible benefit of using the in-camera crop.
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Aug 22, 2015 06:57:59 #
oldtigger wrote:
Why do you feel there is resolution loss?
Here is Nikon's take on digital zoom in their Coolpix cameras.
It's a good answer to why optical zoom is better than digital zoom ... in any camera.
"Many Coolpix cameras offer a digital zoom function to complement the camera's built-in optical zoom; digital zooms are useful when it is not possible to get closer to the subject without the need of an additional optical converter. However, the use of the digital zoom should be used sparingly as there is a sacrifice in image resolution and it should not be considered a replacement for a powerful optical zoom lens. Several Coolpix cameras allow use of optical converters that allow high quality telephoto photography, and should be used if possible instead of using the digital zoom to maintain image quality.
When using an optical zoom, the lens optics move to change the field of view using the full area of the camera's imaging sensor, this allows image quality to remain constant throughout the optical zoom range. When using the digital zoom, the optical lens is set to the maximum telephoto setting of the zoom and a smaller area of the sensor is used to record the image. This image is then re-sampled back to the original size to produce an image equivalent in magnification to that taken if a more powerful telephoto lens was used. As a digital zoom setting is increased, a smaller and smaller area of the image sensor is used, thereby reducing the image quality in relation to the amount of zoom used.
Aug 22, 2015 07:23:22 #
shooting without 1.3 NEF RAW lossless compressed 14-bit is 28.5 MB and with 1.3 it is 18.8 MB as it takes a narrower area of the sensor.
oldtigger wrote:
Why do you feel there is resolution loss?
Aug 22, 2015 08:29:16 #
Howard5252 wrote:
Here is Nikon's take on digital zoom in their Coolpix cameras.
It's a good answer to why optical zoom is better than digital zoom ... in any camera.
... As a digital zoom setting is increased, a smaller and smaller area of the image sensor is used, thereby reducing the image quality in relation to the amount of zoom used.
It's a good answer to why optical zoom is better than digital zoom ... in any camera.
... As a digital zoom setting is increased, a smaller and smaller area of the image sensor is used, thereby reducing the image quality in relation to the amount of zoom used.
Your comment suggests you feel the 1.3 crop is a form of digital zoom.
Is that what you meant to say?
Aug 22, 2015 08:32:32 #
Brucej67 wrote:
shooting without 1.3 NEF RAW lossless compressed 14-bit is 28.5 MB and with 1.3 it is 18.8 MB as it takes a narrower area of the sensor.
Since less of the senor is used it seems logical the file would be smaller but what makes you think the image recorded is a lower resolution?
Aug 22, 2015 08:39:33 #
The resolution is based on the size of accordable images http://en.wikipedia.org/wiki/Image_resolution and higher resolution more often is based on MP also translated into MB. That is why the D810 can give a better resolution than a D7100 all things being equal.
oldtigger wrote:
Since less of the senor is used it seems logical the file would be smaller but what makes you think the image recorded is a lower resolution?
Aug 22, 2015 10:00:08 #
Brucej67 wrote:
The resolution is based on the size of accordable images http://en.wikipedia.org/wiki/Image_resolution and higher resolution more often is based on MP also translated into MB. That is why the D810 can give a better resolution than a D7100 all things being equal.
The 7100 and 810 are two different sensors with different storage software and its difficult to compare them with anything more than a pure black and white subject.
The normal mode 7100 and the 1.3 mode 7100 are the same sensor and storage protocol and as such should yield exactly the same resolution of the recorded portion of the overall subject.
Why do you feel it does not?
Aug 22, 2015 10:05:57 #
You are using a smaller portion of the sensor, common the D810 can shoot at 36MB or in DX mode at 16MB the resolution is not the same. I don't have to educate you that is your responsibility do the research on resolution yourself and prove me wrong. If you are that knowledgeable in photography we wouldn't have this conversation. To help you out http://lakeshorecamera.com/resolutionexplained.html
oldtigger wrote:
The 7100 and 810 are two different sensors.
The normal mode 7100 and the 1.3 mode 7100 are the same sensor and as such should yield exactly the same resolution of the recorded portion of the overall subject.
Why do you feel it does not?
The normal mode 7100 and the 1.3 mode 7100 are the same sensor and as such should yield exactly the same resolution of the recorded portion of the overall subject.
Why do you feel it does not?
Aug 22, 2015 11:26:56 #
oldtigger wrote:
Your comment suggests you feel the 1.3 crop is a form of digital zoom.
Is that what you meant to say?
Is that what you meant to say?
Nikon doesn't call it a Digital Zoom but that's what it is.
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