Sony ILCE-1 Help Manual page 237

Help Guide
Interchangeable Lens Digital Camera
ILCE-1
α1
Image Quality Settings: JPEG Quality/HEIF Quality
Selects the image quality when recording JPEG or HEIF images.
MENU → (Shooting) → [Image Quality] → [Image Quality Settings] → [JPEG Quality]/[HEIF Quality] →
1
desired setting.
Menu item details
Extra fine/Fine/Standard/Light:
Since the compression rate increases from [Extra fine] to [Fine] to [Standard] to [Light], the file size decreases in that
same order. This allows more files to be recorded on one memory card, but the image quality is lower.
When [ Recording Media] is set to [Sort Recording], you can select the image quality for each slot.
Related Topic
Image Quality Settings: File Format (still image)
Rec. Media Settings (still image/movie): Recording Media (still image)
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