| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| To rate film speed, ASA has largely been replaced by this other 3-letter designation with "S" in the middle | ISO | $1,600 | DJ | PHOTOGRAPHY | 2014-02-28 | #6785 | |
| It's the 3-letter definition for measuring film speed | ISO (or ASA) | $500 | J | POPULAR PHOTOGRAPHY | 1999-12-02 | #3509 |