Optical Material: Dimension Tolerance:Clear Aperture:Deviation: Flatness:Surface Quality:Bevel:Coating: BK7 or Fused Silica ± 0.2mm>80%180°lambda/4 at 632.8nm on big surface lambda/4 at 632.8nm on other surface60-40 scratch and dig 0.2-0.5mm X 45°Uncoated or silver with inconel and black overpaint.D(mm)H(mm)Angle ToleranceMaterialProduct Number7.166.1010 arcsecBK7ICC -CCRB01017.166.101 arc min.Fused SilicaICC-CCRF010212.7010.163 arcsecBK7ICC-CCRB010312.7010.161 arc min.Fused SilicaICC-CCRF010425.4019.053 arcsecBK7ICC-CCRB010525.4019.0530 arcsecFused SilicaICC-CCRF010638.1029.213 arcsecBK7ICC-CCRB010738.1029.2130 arcsecFused SilicaICC-CCRF010850.8038.103 arcsecBK7ICC-CCRB010950.8038.101 arc min.Fused SilicaICC-CCRF011063.5048.263 arcsecBK7ICC-CCRB011163.5048.261 arc min.Fused SilicaICC-CCRF011276.2057.153 arcsecBK7ICC-CCRB011376.2057.151 arc min.Fused SilicaICC-CCRF0114
Aluminum Builders Grade Rod Bubble Level for Upright Position of the Rod Pole
It serves a versatile purpose, significantly enhancing precision in leveling operations by ensuring the upright position of rods. This enables users to achieve accurate readings and work more efficiently during field leveling tasks, applicable to diverse projects.
