This extension tube is particularly intended for mounting the Takahashi eyepiece turret, in order to obtain the right focusing distance. It will also suit all users looking for a 35 mm extension with a 2 inches (50.8 mm) barrel.
The input mechanical interface is 2.0" (50.8 mm) diameter, male. The output mechanical interface is 2.0" (50.8 mm) diameter, female. The accessories are tightened by means of two knurled screws.
The reference surfaces, in and out, are shown on the schematic of the Characteristics section.
| Characteristic | Takahashi 35mm extension tube for turret |
| Item number | TKA00105 |
| Mechanical input | 2.0" (50.8 mm) diameter, male |
| Mechanical output | 2.0" (50.8 mm) diameter, female |
| Metal back distance | 35.5 mm |
| Total length | 65 mm |
| Weight | 170 g |
