TS-Optics 1.25" helical focuser with connection thread M28x1
Focuser accepts 1.25" eyepieces, adapters and astro cameras, and fits adapters with internal thread M28x1
♦ Telescopic side thread: External thread M28x1
♦ Eyepiece side connection: 1.25" barrel with clamping screw
♦ Minimum total length: 40 mm (without external thread M28)
♦ The eyepiece or camera rotates with the adjustment
♦ Adjustment range: 15mm
€89.90
(VAT incl.)
Reference:
Heli1
TS Helical Focuser and 1.25" Variable Adapter
The focuser fits adapters with internal thread M28x1. Many 1.25" prisms and mirrors have this thread. The helical focuser allows attachment of eyepieces and small astronomical cameras and enables fine focusing by turning.
Especificaciones:
| Thread telescope side: | M28x1 male thread, 5 mm long |
| Connection eyepiece side: | 1.25" socket with clamping screw |
| Shortest overall length: | 40 mm (without the M28 external thread) |
| Max. length: | 55 mm (= 15 mm adjustment range) |
| Outer diameter: | 44 mm |
English GB
Español