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4" Helinear Track focusing rack and pinnion system with helical cut teeth on the rack gear
*Choose a model with the words "USB-C without Battery" at the end of the product name to power your PiFinder from your external battery source via the USB-C port
Celestron’s telescope engineers worked hand-in-hand with battery suppliers on PowerTank Lithium LT to ensure that it does not experience this dropoff in performance
Optical Coatings: Starbright XLT Coating
Three E-Lux 2" Eyepieces - 3-element fully multicoated optical design with a 56 degree apparent field of view (40mm has 50 degrees ) Comes with 26mm
Touptek 1.25" LRGB Filter Set - LRGB-125 1.25" Barlows 4" Helinear Track focusing rackSpecifications: Diameter: 1. 25 inch (31. 77mm) Thread: M28. 5*0. 6mm Lens Thickness: 2mm Lens Material: Optical Glass Frame Material: Aluminum Alloy The L filter acts as a red ultraviolet cut off filter, passing visible light between 420nm 685nm with a high transmittance of 98%, enhancing the target contrast. The R filter allows passage of red light from 590nm 700nm while maintaining maximum transmission of H Alpha and [SII] emissions. The G filter
US$ 75.00
US$ 30.00
US$ 444.50
US$ 16.50
