Pentax K-X Operating Manual page 30

You can apply a filter when taking pictures.
The following filters can be selected.
Filter Name' Effect Parameter
Shading Level: +1/+2/+3
Toy Camera
Retro
High Contrast
Extract Color
Soft
Star Burst
Fish-eye
Custom Filter
For taking pictures that look as
if taken with a toy camera.
For taking pictures with the
look of old photos.
Blur: +1/+2/+3
Tone Break: Red/Green/Blue/
Yellow
Toning: -3 to +3
Frame Composite: None/Thin/
Medium/Thick
For taking pictures with high +1 to +5
contrasts.
For extracting a specific color
and making the rest of the
image black and white.
For taking pictures with a soft
focus throughout the image.
For taking pictures of night
scenes or lights reflected on
water with a special sparkling
look achieved by adding cross-
like effects to the picture's
highlights.
For taking pictures that look as
if taken with a fish-eye lens.
Customize and save a filter to
your own preferences.
Color: Red/Magenta/Blue/
Cyan/Green/Yellow
Color Freq. Range: -2 to +2
Soft Focus: +1/+2/+3
Shadow Blur: OFF/ON
Effect Density: Small/Medium/
Large
Size: Short/Medium/Long
Angle: 0°/30°/45°/60 °
Weak/Medium/Strong
High Contrast: OFF/+1 to +5
Soft Focus: OFF/+1/+2/+3
Tone Break: OFF/Red/Green/
Blue/Yellow
Shading Type: 6 types
Shading Level: -3 to +3
Distortion Type: 3 types
Distortion Level: OFF/Weak/
Medium/Strong
Invert Color: OFF/ON