Slide Film Use only Kodachrome, any speed appropriate for the situation. Never use Ektachrome or Fujichrome, which are not archivally stable. Allow up to two weeks. Also, other than 64 ASA, they are often not readily available except in specialty photography shops or by mail order. Used publications, exhibits, etc.
Magazines prefer to use slides for publication purposes.
The best color and resolution. Don't use in low lighting situations. Color Print Film Color prints for long term archival purposes are not recommended. Color prints are still relatively unstable and will fade within 20 years. Lesser quality tape is thinner and will stretch each time it is played.