EOS R6 Mark II vs α7C II
Eine direkte Gegenüberstellung für dual card slots.
dual card slots verstehen
Two slots means two cards. Modern bodies support multiple write modes:
Write modes
- Backup. Every frame is written identically to both cards. The standard for paid work — if one card fails or corrupts, the second is intact.
- Overflow. Card 2 starts writing when card 1 fills. Doubles capacity for long events.
- Split. RAW to card 1, JPEG to card 2; or stills to one, video to the other.
Slot symmetry
Watch for asymmetric slots: one CFexpress + one SD is common. The slower SD slot bottlenecks backup mode to SD speeds — high-bitrate 4K/8K video may not be writable in backup at all.
Why it matters
For weddings, sports, and editorial work, dual slots are non-negotiable. The cost of a single failed card on a once-in-a-lifetime shoot dwarfs the body price premium. Hobbyist bodies (Canon R8, Nikon Zf in single-slot configs) prioritize size; pro bodies (R5 II, Z8) always ship dual.
Dieses DuellEOS R6 Mark II ships with dual card slots, α7C II does not. For buyers who rely on this feature it is a hard requirement — there is no software workaround once the hardware is missing.
Was ist dual card slots?
A camera body with two memory card slots. Enables in-camera backup writing, overflow recording, or splitting RAW and JPEG between cards. A defining feature of professional bodies.
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