Bahtinov Focusing Mask Fixed Dia. 60/80/100/120/140/160/180/200/230/280mm Black RM 41.55 to RM 149.67
PLAN Achromatic Objective Lens 5X-100X Metallographic PL-A Long Working Distance RM 171.85 to RM 1,233.59
133-254mm Raw Glass Blank DIY Newtonian Reflection Telescope Primary Mirror K9 RM 156.77 to RM 443.24
40mm Optical Glass Doublet Objective Lens Green Film DIY Astronomical Telescope RM 69.28 to RM 108.09
Plan Infinity System Achromatic Objective Lens PL-L Working Distance 20.2mm/ RMS RM 335.40 to RM 1,086.66
RMS Thread 4X 10X 20X 40X 60X 100X Infinity Objective Lens f Olympus Microscope RM 103.57 to RM 983.15