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Crop or resize? What happens when you pick a lower pixel count setting ...

To Crop or Not to Crop? That is the question...
by Brenda Tharp
author of Creative Nature & Outdoor Photography
Why is cropping frowned upon by some, and used heavily by others?

Crop good if you want extra zoom from chosen lens,
Crop bad if you want to keep wide angle from chosen lens,
Crop good if you want a bit extra zoom while retaining the arpeture setting of the lens as it would be set to wide.

To get this same crop effect, one would have to use an equivalently longer lens on a 35mm film camera.
Nothing changes about the lens; it's simply the amount of the image we use from the back of the lens.

Crop for Impact
Farmington Bay Waterfowl Management Area near Salt Lake City has ideal winter conditions, which often attract hundreds of bald eagles.

Crop - it's not seedy
Ask a farmer and a photographer what a good crop is, and you'll get two different answers.
One will say "wheat" and the other will ask "how long have you got?"! ...

The crop factor is something which is common with most digital SLR cameras these days as they use smaller sensors than much more expensive cameras.

The basics of the Crop Tool in Photoshop are fairly straightforward. After dragging a rectangle over your image, you press enter and the image is cropped as you specified.

Just remember the crop factor in your lens buying adventure. A wide-angle lens will behave like a normal lens when used on a camera with crop factor.

What if you don't crop? Well, you have different views, but you can still compare DOF I guess. The focal length of the lens is the same in each case, so the ratio of the DOFs is just the ratio of the circle of confusion values, 18.

Techniques Glossary CROP FACTOR
Describes how much an imaging sensor has been cropped in relation to its full-frame equivalent. It always describes how many times larger the full-frame is in relation to the cropped sensor.

The crop factor, FOV and perspective rules follow each camera through it's entire range of photographic capabilities from wide angle to telephoto. If you want the equivalent of 24mm on a 1.

The crop factor is the sensor's diagonal size compared to a full-frame 35 mm sensor.

Crop. To trim the edges of an image, often to improve the composition. Cropping can be done by moving the camera position while viewing a scene, or by trimming the finished print.

We're going to start by cropping the photo so that it has a horizontal orientation.

Crop or retouch
As visual communicators, we're responsible for everything that's in the frame; we're also responsible for everything that's not in the frame. Read More...

Crop the image to the desired aspect ratio. Programs such as Photoshop let you crop or select areas of an image using any aspect ratio that you specify. To do it manually you:
1. Determine the aspect ratio you want to use.

Crop. To use only a part of a photographic image by cutting out the portion not wanted.
Daylight. Sunlight that is either direct, as on a clear day, or diffused through clouds on an overcast day.

The action of trimming away the unwanted parts of an image.
cropping tool: ...

CROP FACTOR - A number used to multiply a lens's actual focal length to express how much of an apparent increase you can expect in the effective focal length of any traditional 35mm SLR lens you use on a dSLR camera.

In computer graphics, to cut off the sides of an image to make it the proper size or to remove unwanted parts. Most graphics applications allow you to crop images with a clip feature.

Crop Factor ( or Lens Crop Factor): Digital cameras typically have sensors of size less than “full-frame' (24 X 36 mm).

Crop. To trim an image or page by adjusting its boundaries.
Cropping. Cutting out unwanted (edge) parts of a picture, typically at the printing or mounting stage.printer or monitor when compared with the original image.

Crop-sensors advantages
- Generally considered better for macro, especially for super-macro
- Approximately 60% more depth of field than a full-frame sensor, given an equivalent field of view ...

to opaque, mask, or trim part of an image to fit a designated area.
crop marks
sometimes referred to as tick marks, small marks placed in the margin, denoting the live area or areas of an image to be reproduced.

Crop your photograph. You probably have a lot of unnecessary empty areas in your photo (and probably some of the background behind the white paper, too).

3 Crop And Rotate. I'm a strong believer in cropping out problems early on. Junk often shows up along the image edges, for example, and it's worth removing that junk and fixing crooked horizons before moving on.

5. Crop in the right places. When taking pictures of people, the bottom of the frame should be across the shoulders, hips, middle thigh or middle calf. Making people look like a head only or an amputee is not flattering.

50% crop
In 3D mode you get the same limited exposure controls as before, but the camera will only allow you to pan left-right (or vice versa).

Cropping into an image gives the same effect as using a longer lens. To check whether this is a practical option we did a test using a Canon EOS 5D, with a 100-400mm lens set to 300mm and the 1.

Auto-crop output
Use this option for automatically trimming the output image to avoid artifacts on the edges.
^ Index :: ^ How to Use
Viewing the pictures ...

Don't crop just yet!
If you recall from earlier on, chromatic aberration is more prevalent on corners.

Rotate, crop and matte photos. Photo editing software makes it simple to rotate a photo (90 degrees if you took the picture with the camera turned to the side, or smaller amounts if the horizon is just slightly out of line).

Step 1: Crop Out Distractions
Have you ever looked around you and been disappointed about your subject's location? Maybe it's a messy home interior or an unremarkable backyard.

How To: Crop For a Better Photo
Cropping in can help to center attention.
Related Topics: ...

Step 3: Crop an image that has already been resized and placed
Over in the Layers window, click right on the layer corresponding to the photo that you wish to crop. Select "Edit Content" from the menu of choices.

Crop both photos to the same size
Adjust white balance on both photos if needed
Previous ...

To delete part of an image or its border for a more pleasing effect through the elimination of distracting or unwanted details.

Crop Factor
Focal Length Multiplier
35mm Equivalent)
Not to be confused with "Crop" of a picture, these terms are exclusively used in the context of relating focal length to field of view (FOV), ...

Crop factor
Image sensor format
^ a b What is "35 mm equivalent focal length?" The Panorama Factory, 2004.
^ Atkins, Bob. "Digital Depth of Field". Retrieved 23 May 2012.
^ Vincent Bockaert, Sensor sizes.

Crop Frame
I had understood that you had to calculate this with the crop factor included so the 50mm lens would need a shutter speed of 1/80 or higher. Your article seems to contradict this. Which is correct?
1 of 1 people found this comment helpful ...

crop marks lines printed with an image to show the dimensions to which finished pages should be trimmed
fill the color or tint applied to the interior of a character form
disk a magnetic medium on which the computer stores information ...

A crop for effect (I wanted to emphasize the diagonals and get rid of some of the overblown sky). I also edited to bring more color out in the skintones.

Crop in tight on the animals to again reduce the chance of seeing anything man made in the background. Fill the frame with your subject, even to the point of cropping part of the animal out of the shot.

To crop the image, the Rectangular Marquee tool is chosen from the Tools palette (see Figure 14). Once the Rectangular Marquee tool is selected, the Rectangular Marquee Tool options will appear in the Options bar (see Figure 15).

100% Crop of the above photo
Again, this is a really nice compact digital camera. It captured the images I asked of it with sharp accurate exposure and has modes that allow me to do most anything I would need.

Don't crop any of your first ten images tightly. Leave space around the main subject. Don't submit square or odd size images. Again this comes down to the markers preference so best not to do it initially.

How to Crop a Photo in iWeb
How to Blur Edges of a Photo
How to Make Frames on Photos in GIMP
How to Crop a Face in Picasa ...

Image 2: Crop from image 1
Image 3: Shot taken with 100 mm focal length ...

How to Crop a Digital Photo Using Adobe Photoshop
2. How to Convert Your Photos to Black and White in Photoshop CS3
3. How to Remove Red Eye Using Adobe Photoshop CS3
4. How to Remove Blemishes using Photoshop CS3 & CS4

The bottom crop is a shadow performance test suggested by Paul Schilliger. It examines how much detail the scanner is able to pull out of deep shadow, and how much noise is in there.

Constrain crop
Whenever you correct perspective, some cropping will be required after the correction has been made. You can do this manually via the Crop Overlay, but Lightroom can actually do it for you while you correct the perspective! ...

100-percent crop, Tokina 10mm
100-percent crop, Nikkor 10.5mm
200-percent crop
Q: I hear lots of good things about the Tokina 10-17mm fisheye zoom. However, I have a Nikon D200, and I'm afraid to buy anything other than Nikon lenses for my camera.

Whenever you crop your photo, you limit the size you can print your image without it looking fuzzy or jagged.

Zoom in and Crop. Just by zooming in and cropping the image in-camera you can change a photo from unimpressive to very attractive.

In CS3 I enjoyed using the crop tool to slice although I'm sure Adobe intended the slice tool to be used. In CS5 the crop tool has become the Artboard tool which takes a bit to get used to.

Photo pro's will then use Photoshop or other image editing software to crop the image more tightly into the bolt. If the bolt is primarily vertical, cropping will follow this orientation.

Granted, it is easy enough to crop away unwanted areas after the fact and thereby make them look like they were well composed in the first place, but unless you have a high-megapixel camera and have remembered to shoot at high resolution, ...

The idea is to crop with the viewfinder, or in the camera, not in the darkroom. Think of it this way: a 35mm negative is roughly 1 1½ inches. To get an 8 10 inch print, you need to enlarge that negative by some 533%.

See also: See also: Image, Photograph, Camera, Photography, Light

Photography  Cronographic camera  Crop factor

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