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M54 * 0.75
The length of the extension ring is 4mm, 5mm, 6mm, 7mm, 8mm, 9mm.
Outer diameter: 60mm
Length of external thread: 3mm
4mm- The internal thread length is 3mm
5mm- Internal thread length is 4mm
6mm- Internal thread length is 4.5mm
7mm- The length of the internal thread is 5.5mm
8mm- The internal thread length is 6mm
9mm- Internal thread length is 7mm
2" Zenith High Reflection Diagonal Mirror for Refractor Astronomical Telescope 90 Degrees
KWD 78
Telescope Eyepiece UWA 1.25" 82° 4mm/ 7mm /16mm for Telescope Camera(4mm)
KWD 65.500
Telescope Accessory Kit 2" Reflector Focuser with 2" to 1.25" Adapter(2 inch with Adapter)
KWD 54
H-α Emission Filter 656nm Narrow-Band Pass Multiple Sizes, with Frame, for use in Astrophotography telescopes(43mm)
KWD 41.500
