Showing posts with label Principles. Show all posts
Showing posts with label Principles. Show all posts

May 31, 2011

Understanding Depth of Field

Depth of Field object associated with how sharp the photos we take. it depends on how big the opening of the lens used in the shooting. so that each photo has a matte finish that is different. In this discussion will present some things about the lens aperture and Depth of Field itself. To understand the Depth of Field, it would be better if we first understand the lens aperture.

Diaphragms of Lens
Diaphragms of Lens

Aperture in Lens

Any lens used on the camera has a level or size of each and produce different images. Aperture lenses generally have a size by using the symbol f with numbering. In addition to the lens aperture affects the Depth of Field of a photograph, it also affects the size of the incoming light.

Depth of Field
Depth of Field

There are several lens aperture size is generally found in the lens were:

Aperture in Lens
Aperture in Lens

1. Large Aperture (f/1.2, f/1.4, f/1.8, f/2.8, f/3.5)

Large aperture gives advantages in lower light or when shooting a little because even though the intensity of light is very minimal but it could provide for the lens to produce a photograph that was enough light.

2. Medium Aperture (f / 4, f/5.6, f/6.2, f/7.1)

Intermediate lens aperture provides enough light enters the camera when the light intensity is not too dark. Most of the standard and telephoto lenses generally have a medium-size aperture.

3. Small Aperture (f / 8, f/10, f/11, f/16, f/20, f/22, f/24, f/30)

Small aperture resulted in the intensity of light entering into the camera less than the large and medium-sized openings. Aperture lens like this will affect the camera shutter speed to be down a
few stops.

After understanding some of the type and size of the aperture lens, this course will also make it easier to understand about themselves and the Depth of Field will be very helpful when trying to determine how thick the desired Depth of Field when creating a photograph. In this case I Depth of Field categorize it into three types and usefulness. Namely, among others :

1. Thin

Thin Depth of Field resulting from using a large aperture lens, the distance between the main object and the background distance away and taking pictures of distant objects (using a telephoto lens with a maximum zooming) and by using macro mode.

Using a thin Depth of Field is perfect to make the main object of focus is much more visible. In addition, thin Depth of Field is very good if you want to avoid interference from the background and the results background will be a blur.

At the photo shoot with a thin Depth of Field suitable for photographing the type of macro photos, photo portrait, close-up photographs, photographs of models and can also be used to photograph candid.

2. Medium

This Depth of Field are generated from intermediate lens aperture, the foreground and background is not too far away.
Depth of Field like this is suitable for making photos look like the main object is not so "alone". it's good to give the impression of where the image objects that are not so clear / clear or describe objects in public places such as giving the impression in the yard, in parks, indoor or another.

3. Thickness

This Depth of Field produced from a small lens aperture and / or wide lenses. This Depth of Field type is intended for all of the existing objects in the foreground or background details clearly visible and not produce the impression of motion blur.

Use this Depth of Field usually very suitable for panoramic photo or a landscape, scenery and the like.

May 20, 2011

Principle in Photography

Every kinds of photography has difference ways, but generally each of them has the similarity. In this page tell about general principle of photography.

Rythme of Movement

Title : Rythme of Movement

Credits : MovementSource : https://sites.google.com/site/principlesofdesignsite/home/rhythm-movement

1. Composition

Composition is a visual process of organizing the elements and individual details of a scene into a balanced and pleasing arrangement. Every composition should have point of interest. To make PoI (Point of Interest), There are some elements in composition:
  • Line, shape, light, color
  • Pattern
  • Texture
  • Symmetry
  • Deep of Field
  • Rule of Third
  • Diagonal
  • Direction of Movement
  • Framing
  • Contrast
  • Balance
  • Simplicity

2. Angle of View

Angle of view is the way how we see the object of photography. There are:
  • Low Level
Low level or it can called with frog level is shot from under the object. For example capture the flying bird, the high tower, the big building, or etc.
  • Normal Level
Normal level usually called eye level. Its mean that the photographer's camera shot parallel with the object.
  • High Level
High level or can called with bird level is shooting the object from high point level. example shot the crowded market/street, the wide field, or etc.

3. Exposure

Every photo need light to showing the message or object. But, sometimes there a few of photos that less pleasing to look by eyes caused by too much highlight or less of light (object too dark). So, necessary to adjust light-meters set in enough light. There are exposure measuring:
  • Under exposure
Under exposure it is mean that the photo has low contrast, low highlight and it's look dark.
  • High exposure
High exposure it is mean that the photo has too brightness, over light, low contrast and lost image detail.
  • Normal exposure
Normal exposure is a photo has enough light, brightness, contrast and it is similar with the fact.

4. Depth of Field

Depth of Field or we can call DoF, it's mean how make our photo become full detail or just a part of object made focused. Depth of Field determined or influenced by distance between foreground and background and aperture of lens. For more information see Understanding Depth of Field

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