Yes the 1.5" will provide better details but with anything but anodized aluminum you won't really be able to see the difference. I've got a 3" and a 4" for my Speedy 400 and assumed they would have the same sizes for the 300.

Quote Originally Posted by Soren Christensen View Post
Wouldnt the 1.5" be better for really small details, than the 2" and 3"? Also i dont see a 3" lens, not for CO2 atleast. I see a 1.5, 2.0 (a 2.0 clearance), 2.5, 4.0" . 2.85" is for flexx and 3.2" is for the fiber laser.

But then again, you guys are the experts and im only seeking advice