http://www.cambridgeincolour.com/tutorials.htm
ภาคทฤษฎีนะ และแน่นอน เป็นภาษาอังกฤษ
* Cameras
* Understanding Digital Camera Sensors
* Understanding Camera Metering & Exposure
* Understanding Camera Lenses: Focal Length & Aperture
* Choosing a Camera Lens Filter: Polarizers, UV, ND & GND (NEW)
* Understanding Depth of Field
* Understanding Camera Autofocus (NEW)
* Understanding RAW Files: Why Should I Use RAW?
* Camera Lens Flare: What It Is and How to Reduce It
* Understanding the Hyperfocal Distance
* Imaging
* A Background on Color Perception
* Understanding Digital Pixels: PPI, Dithering and Print Size
* Understanding Bit Depth
* Understanding Image Types: JPEG & TIFF
* Understanding Histograms, Part 1: Tones & Contrast
* Understanding Histograms, Part 2: Luminance & Color
* Understanding Image Noise
* Understanding Sharpness
* Understanding White Balance
* Understanding Image Posterization
* Understanding Dynamic Range
* Understanding Digital Image Interpolation
TIPS & TECHNIQUES
* Using "Levels" in Photoshop
* Using "Curves" in Photoshop
* Sharpening Using an "Unsharp Mask"
* Using Local Contrast Enhancement
* Converting a Color Photo Into Black & White
* A Closer Look at Resizing an Image for the Web & Email
* Optimizing Digital Photo Enlargement
* Averaging Images to Reduce Noise
* A Flexible Depth of Field Calculator
* Color Management
* Color Management, Part 1: Concept & Overview
* Color Management, Part 2: Color Spaces
* Color Management, Part 3: Color Space Conversion
* Working Space Comparison: sRGB vs. Adobe RGB 1998
ADVANCED TOPICS
* Understanding Diffraction: Pixel Size, Aperture and Airy Disks
* Digital Camera Sensor Sizes: How Do These Influence Photography?
* Using the High Dynamic Range (HDR) Feature in Photoshop CS2/CS3
* Tilt/Shift Lenses: Using Shift Movements to Control Perspective (NEW)
* Tilt/Shift Lenses: Using Tilt Movements to Control Depth of Field (NEW)
* Intro and Common Obstacles in Night Photography
* Photo Stitching Digital Panoramas, Part 1: Overview & Capture
* Photo Stitching Digital Panoramas, Part 2: Using Stitching Software (NEW)
* Photo Stitching Digital Panoramas: Image Projections
* Plus many more as time permits...
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