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Premium Function
Astrophoto Assist
for K-3 Mark III
User's Manual
'Astrophoto Assist' is an optional, purchasable function. It extends the range of functions
and is not included in the camera's standard scope of delivery.
After you have received the QR code, please follow the installation procedure to unlock
the premium functions:
Switch on the camera and select "Limited Functions" in the camera menu <Setup, Menu
6>. Highlight the premium feature you have purchased (the 'Astro Assist' feature unlocks
all three additional options in a single operation).
To do this, select 'Read Unlock Code' and point the camera lens at your dedicated QR
code.
Please follow the instructions on the menu screen:
TO READ THE QR CODE, PRESS THE GREEN BUTTON
When the 'Feature Unlocked' message appears, you can use the premium feature you
purchased. It is added to the camera's still image capture section (Menu 3).
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Summary of Contents for Pentax K-3 Mark III
- Page 1 Premium Function Astrophoto Assist for K-3 Mark III User’s Manual ‘Astrophoto Assist’ is an optional, purchasable function. It extends the range of functions and is not included in the camera's standard scope of delivery. After you have received the QR code, please follow the installation procedure to unlock the premium functions: Switch on the camera and select “Limited Functions”...
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Page 2: Function Overview
Astrophotography Assist User’s Manual Function Overview “Astrophotography Assist” is a premium function that packages “Star AF”, “Remote Control Focus Fine Adjustment”, and • “Astrophoto Image Processing” features. By loading the unlock key for “Astrophotography Assist” in [Limited Function] of the “Maintenance”... - Page 3 Star AF Shooting Procedures 1. Switch the camera to Live View. 2. Adjust the angle of view (zoom) and composition so that the desired stars are in the AF frame. Make sure only stars are in the AF frame. “Star AF” mode screen 3.
- Page 4 Remote Control Focus Fine Adjustment Function Overview “Remote Control Focus Fine Adjustment” is a function to fine-tune the focus with the optional Remote Control Waterproof O-RC1 • without operating the lens or camera. This function is useful for astrophotography, macro shooting, and other situations where direct contact with the lens makes subtle focusing difficult.
- Page 5 Astrophoto Image Processing Function Overview “Astrophoto Image Processing” is a function that allows you to select and adjust new image processing options for astrophotography and save the processed image as a new JPEG file. The following six processing options are provided: [Shading Correction], [Uneven Correction], [Background Darkness], [Star Brightness], [Celestial Body Clarity], and [Color Fringe Correction].
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Page 6: Shading Correction
Astrophoto Image Processing Shading Correction "Shading Correction” corrects lens peripheral illumination fall-off. • By default, [Shading Level] is set to OFF (no correction) on the shading correction setting screen. The shading level can be set in 11 • levels, including OFF and +1 to +10. The larger the value, the stronger the correction. OFF (no correction) Shading correction (images after correction) When the shading level is set to OFF, the correction position cannot be configured. - Page 7 Astrophoto Image Processing Uneven Correction “Uneven Correction” corrects the color casts and uneven brightness caused by light pollution, etc. • The uneven correction amount can be set for each color (R: red, G: green, B: blue). By default, the correction amount is set to OFF •...
- Page 8 Astrophoto Image Processing Background Darkness “Background Darkness” corrects backgrounds other than stars that appear white in astrophotography. • The correction amount can be set in 21 levels, including OFF (no correction) and +1 to +20. The larger the value, the darker the •...
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