Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
ummm.. I can't really say (I haven't seen an atomic IRL except for my B2 that I got last week)Would you think T25 knob is more akin to t2 or t3?