Adjustable Aluminum Alloy Iris Aperture Diaphragm, Adjustable Lens Optical Diaphragm from 1.5 to 25mm for Camera Optical Instruments (Iris with mount)
KWD 19.500
Short Axis Secondary Mirror 20MM 25MM 28mm 35MM 40MM 50MM 56MM 70MM 114 203 Newton Reflector Telescope Elliptical Oblique Mirror(56mm)
KWD 16.500
1PCS Stereo Microscope WF10X 22 Mm 23mm 24mm Wide Angle Eyepiece Diopter Adjustable With Eyeguards 30mm Diameter(WF10X-22)
KWD 16
Mirror for Projector Optical Reflector of First Surface of Many Sizes Accessories for DIY Projectors Mirrors for High Reflectivity Front Surface (240 x 260 x 2 mm)
KWD 34
Astronomical Telescope Reflective Telescope Secondary Mirror Oblique Mirror Flat Mirror Reflective Newton Telescope Mirror(70mm)
KWD 16
Astronomical Telescope Reflective Telescope Secondary Mirror Oblique Mirror Flat Mirror Telescope Mirror Newton Reflective(50mm)
KWD 19.500
Astronomical Telescope Reflective Telescope Secondary Mirror Oblique Mirror Flat Mirror Telescopic Mirror Newton Reflective (45 mm)
KWD 25
Astronomical Telescope Reflective Telescope Secondary Mirror Oblique Mirror Flat Mirror Telescope Mirror Newton Reflective(D114F900)
KWD 22
1pc D82F330MM Glued Green Film Edge Blackened Achromatic Double Glued Lens K9 Astronomical Telescope Objective
KWD 40.500