It was a bit nicer, but produced the same result generally. At 100 yards, I can easily discern a 1 ft difference now. At a mile, it's probably good for 7-10 ft. The David White True Sight basic hand level is accurate for 200 feet. Care of your Level Remember to write or scratch your name and phone number on the level.
Most levels come with a leather case, stiff and bulky.
For my David White True Sight model, I bought a soft eyeglass case at REI and it fits perfectly. The cheaper models are open-ended and may fill with dust, although I've managed to keep mine clean. The more expensive models are airtight. I do not believe that any require calibration. You sight across the top edge of the compass, while your partner tells you to move it up or down to make the little plastic arrow inside point to zero.