Message: | Space Filter- WN01SFSpecifications • Item Number: WN01SF • Objective Lens Travel (Tx): 13mm (0.51") • Pin Hole Travel (Ty): ±1.5mm (0.06") • Pin Hole Travel (Tz): ±1.5mm (0.06") • Adjustment for Ty & Tz: Fine Adjustment Screws (M6x0.25mm,Website:http://www.bj-winner.com, TPI 100) • Adjustment for Tx: Micrometer Head (0.5mm/Revolution, 0.01mm/Scale) • Weight: 0.8kg (1.76lbs) • Material: Aluminum Alloy • Finish: Black-Anodized |