The Bay III fits all of the 2.8 models but no others. It is 38mm in diameter.
This filter is in excellent+ condition and works perfectly. The glass is clean and scratch free with no haze or fungus. The mounts show light wear. It comes with the cool leather case. This is a nice one.
SKU: 241119-23Store: Boulder
Condition: Excellent +
Returns: 30 days money back
Warranty: 90 days