In order to make cross projection more precise, user should know clearly the exact working distance, cross dimension and required laser wavelength. Only if users totally understand the required cross line dimension, laser diode professionals will make a general calculation and make a perfect customizing of cross laser alignment dimension until get the most satisfied two perpendicular lines all the time.
In order to make cross line generation more clearly and precisely, the genuine quality cross laser alignment is always being designed and manufactured with the finest quality glass coated optic lens so as to get perfect light emitting result in practical use. The glass lens is precisely made with the most accurate 90 degree laser fan angle. The cross line straightness can reach higher than 1/5000. In order to make users get easier selection of required cross laser alignment, the line width of cross lines are always being customized with width of less than 1mm at 3 meter working distance. With the most perfect configuration of laser diode, thermal stabilization control system and constant current circuit board, the cross laser alignment is just able to ensure super long serving lifetime of as long as 8,000 hours under conditions of 24 hours continuous cross line generation. Only if users have made correct decision of required working distance, the industrial alignment laser has just made the most perfect cross line projection precisely and accurately all the time.