The correct spark plug and gap is crucial to proper ignition. Spark discharge is a breakdown in the air insulator between the electrode and ground. Yes - air is an insulator, a pretty good one at that. As voltage builds at the electrode, atoms in the air within the air gap gain electrons. This process is called ionization.
It's one of the reasons why our standard lenses are polycarbonate (thinner than standard lenses typically sold by other eyeglasses retailers). At Warby Parker, you can upgrade to high index lenses for an additional $30 whereas it typically costs $60 to $100 more.
Alongside the Production Camera 4K, the company also announced the Blackmagic Pocket Cinema Camera, a highly compact camera which records to SD cards in digital Super-16 1080p RAW or ProRes, has 13 stops of dynamic range, and is compatible with active MFT mount lenses, priced at under $1,000.