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This document discusses Vinpho, a company that produces a 18-55mm zoom lens. It asks questions about what Vinpho does, who their competitors are, and how they will make money. The document states their ARPU is 550€/year, CAC is less than LTV, and they have a burn rate of 14,000€/month over 3 years. It outlines where Vinpho currently stands and where they want to get to, needing 30,000€ initially and 70,000€ for a beta. Contact information is provided at the end.