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Leica sl3 vs leica sl3 s?

The SL3 has a 60-megapixel full frame sensor and came out in 2024. The Leica SL3-S has 24 megapixels and came out in 2025, and it's the one I'd point you to for video, with phase-detection autofocus and 6K open-gate recording. Pick the Leica SL3 if you want the extra resolution for large prints or heavy cropping.

Both take the same L-Mount lenses, so your lens choice doesn't depend on which one you buy. For an everyday kit, I'd start with:

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