These comet pictures were taken by me using an Olmpus OM-1
camera. Comet Hyakutake (on left) was taken with a 135mm
F2.8 lens. Exposure was 4 minutes on Kodak TMZ-3200 film.

Comet Hale_Bopp (on right) was taken using a 50mm F1.8 lens.
Exposure was 30 seconds on Kodak Gold 400.