Hi wilsmith4,
You are welcome!
If you read through our past forum posts, you will learn that electronics is actually one of the most competitive markets online. The electronics industry has always run on very low margins from wholesalers to end users and marketplaces like eBay have only tightened the margins even further.
Add to that the possible shipping costs and Custom duties when you import these products to Spain.
If you are keen on distributing brand name cameras within Spain, I suggest that you source them in bulk locally, and given the amount of order that you are willing to place, it seems to me that you can apply for distributorship directly with these mother companies, OR you may also get in touch with authorized distributors for those brands in your country to negotiate for wholesale pricing/ bulk orders. Here are pages that you can use -
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Let us know if you need further help. :)