lighting - How much light do I need for handheld product

I have a large-ish lightbox similar to . I would like to use it with a handheld camera. How do I go about calculateing how much light I need? I would like to use cheap continuous lights. Is ther

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Want to take your grilling to the next level? Nothing compares to a perfectly grilled barbecue. Making that perfect barbecue, however, is easier said than done. You need to have a good eye on how the meat looks to know if it's time to flip or if it's ready to serve.Without sufficient lighting, it’s difficult to find that right timing, especially at night.

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