DIGITAL PHOTOGRAPHY & IMAGING - WEEK5

 DIGITAL PHOTOGRAPHY & IMAGING


NAME:  FENG SHIWEN

I.D:  0374595

COURSE: Digital Photography and Imaging

GROUP:  4







Lecture week 5
1. EXPOSURE SETTING

In photography, exposure is the amount of light which reaches your camera sensor or film.




The main parts of the camera: 
Camera body, Shutter, Image sensor, LCD screen, Camera lens, Aperture/ Iris.
-  IRIS: Iris/Aperture is control the flow of light entering the lens.Iris/Aperture is measured by f-stop. (The lower the f-number, the larger the lens opening.)
-  SHUTTER: The shutter is a small plastic sheet that opens and closes to allow light onto the film or prevent light from reaching the film. 




2. SHUTTER SPEED
 
Shutter speed is measured in seconds. 
 ISO: Originally referred to the sensitivity of film—it's "light gathering" ability（The lower the number of ISO the less sensitive your camera is to light and the finer the grain. 




3.LENS PERSPECTIVE

The are wide angle lens, standard lens and tele lens
Lenses can be categorized by FOCAL LENGTH（the shorter the focal length, the wider the angle of view and vice-versa.）




DEPTH OF FIELD
The proportion of the image that is reasonably sharp and in focus. 
The smaller the aperture you use, the greater the depth of field.
Wide angle lens is especially useful for landscape photography or street photography.(almost everything is in focus)
Standard lens offer a fairly accurate representation of what the human eye sees, both in terms of visual angle and perspective. 
Tele lenses are great for isolating a subject that is far away. 




4. DSLR V.S SMARTPHONE
Smartphones vs Cameras = Convenience vs Quality
PRO: Familiar with device, Good quality, Easy to learn
CON: Still limited, Good but not great, Non-ergonomic shape






Exercise 1:


Shazam in Hearst Mansion

LECTURE from teacher :
1. Quick Selection Tool
2. Layer Mask
3. Filters
4. Color Correction






Here is the final image :






Exercise 2:


Own Image in Hearst Mansion





REFLECTION

This week we worked with the teacher to make, it was a very interesting lesson, I learned to add mask to the layer, use the quick selection tool to matting, color correction to the image, and filter






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