Cullmann Lagos Vario series:
The Lagos Vario 100 is tiny and carries exactly 1 Q with 01 standard prime (too small for the zoom), 1-2 spare batteries, 2 spare SD-cards and a tiny mini tripod. Its very compact and the ideal travel companion when you are on limited space (aircraft). No space for an extra lens though (maybe for a pancake...).
Then there is the slightly larger Lagos Vario 130 and the Lagos Vario 200 which will take an extra lens.
These cases are very stylish, come in black, grey and brown - a colour tone reminiscent of old red wine, two soft seperators and an SD-pouch, carrying strap etc included:
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