Out of curiosity, we decided to takes a series of UV pictures using Edmund Optics +-/10nm bandwidth filters using our Llewellyn Optics fused silica M12 lens, debayered 8MP USB camera with Sony IMX 179 sensor with no cover glass.  We used archival, acid-free paper that contained no fluorescent brighteners.  Pictures were taken in sunlight at around 1PM on a  sunny day in August.

For sunscreens, we used:

Chemical Based:

• Panama Jack SPF 4
• Coppertone SPF 8
• Hawaiian Tropic SPF 15
• Neutrogena SPF 30
• Neutrogena SPF 45
• Neutrogena SPF 85

Mineral Based

• SPF RX SPF 30
• Zealios SPF 45

300nm

310nm

326nm

330nm

340nm

350nm

360nm

 365nm

370nm

380nm

390nm

400nm

420nm

440nm

450nm

XNite330C + XNiteBP1 filter stacked together