Kính viễn vọng bằng kim loại 1.25 inch cho kính thiên văn Newtonian tại Lotte Market

Giới thiệu Kính viễn vọng bằng kim loại 1.25 inch cho kính thiên văn Newtonian tại Lotte Market

#1.25Inch #Cheshire #Collimating #Eyepiece #For #Newtonian #Refractor #Telescopes #Metal #Structure #Astronomic #Telescope #Accessory
1.25Inch Cheshire Collimating Eyepiece For Newtonian Refractor Telescopes Metal Structure Astronomic Telescope Accessory
Description:
100% brand new and high quality.
Feature:

1.25Inch Cheshire Collimating Eyepiece For Newtonian Refractor Telescopes Metal Structure Astronomic Telescope Accessory Princ
Economical collimation tool ensures that your reflector telescope's optics are in precise alignment.
Combination 5inch long sight tube and 1.25inch Cheshire eyepiece.
For aligning optics of Newtonian reflectors,
Peephole in top and crosshairs at bottom enable precise optical centering.
Compatible with 1.25inch telescope focusers or 2inch focusers with a step-down adapter for using 1.25inch accessories

specification：
Size: 4.2X4.2X15.3cm/1.65''X1.65''X6''in（about）
Colour: Black
Material: aluminum alloy

Note:
No retail package.
Transition: 1cm=10mm=0.39inch
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Content:
1X Long Calibration Eyepiece
Only the above package content, other products are not included.