Usually, yes: a manufacturer-sold kit has its own EAN, separate from the EANs of items that are sold individually.

If an accessory or lens is also sold separately at retail, it should have its own retail EAN. When those same items are packaged together by the manufacturer as a bundle, the outer kit gets a new EAN for that specific kit configuration.

In practice, kits vary. Some include separately boxed retail items inside; others include plain-box or unmarked kit components. So the outer kit EAN identifies the bundle, but the contents may or may not each have retail packaging and scannable retail EANs.

Can the accessories be sold separately? Sometimes yes, but not always in the same way as normal retail stock. Kit items may be trackable as kit components and can have different warranty handling than standalone boxed products.

If the retailer creates its own bundle, it can also assign an internal barcode/EAN-style code for that bundle, but that code may only be meaningful within that retailer’s own system.