| TTL (Core / Bespoke) | Flip-Up (Flex) | |
|---|---|---|
| Fit | Custom to your eyes | Adjustable, fits most |
| Weight | Lighter, closer to eyes | Slightly heavier |
| Field | Widest, most immersive | Wide |
| Sharing | Personal | Shareable across team |
| Availability | Fitted at a local lab | Ships immediately |
| Best for | Committed daily users | Students, new grads, multi-user |
The third option: iLoupes AXIS (Adaptive TTL™) gives TTL immersion with flip-up-style adjustability — set, lock, re-adjust. Reserve AXIS →