Takahashi TKP27112 extension tube with a 50.8 mm focuser, featuring a documented optical path of 62 mm.
CHF 138.05incl. Swiss VAT
Part Number TKP27112
For bulk orders
Ring only: to be ordered as part of a future group order
When ordered with other items from the same brand: estimated delivery time of 10 days to 3 weeks
Part number TKP27112 refers to the Takahashi Extension Tube (50.8) from the 2025 catalog. This model features a 50.8 mm focuser and a 62 mm optical path. This dimension distinguishes this extension tube from the longer version, TKP31112.
An extension changes the position accessible to accessories in the connection chain. Check your instrument’s actual requirements, the eyepiece holder’s travel, and the interfaces of each component before selecting one. The optical path length should not be presented as an external length measurement.
| Features | Value |
|---|---|
| Reference | TKP27112 |
| Catalog Description | Tube Extension (50.8) |
| Recommended connection | 50.8 mm diameter |
| Optical path | 62 mm |
Part identified by reference number TKP27112. The sources used do not specify which additional accessories are included.
Takahashi TKP27112 Official Spec Sheet ; 2025 catalog, PDF page 41.
Here are a few accessories we've selected for this model, depending on your needs.
Eyepiece sold separately; for observation, this extension tube is one possible solution for achieving infinity focus, depending on the setup. An angled mirror or a suitable prism may be an alternative; check the connections and the Takahashi diagram.
Eyepiece sold separately; for observation, this extension tube is one possible solution for achieving infinity focus, depending on the setup. An angled mirror or a suitable prism may be an alternative; check the connections and the Takahashi diagram.
Eyepiece sold separately; for observation, this extension tube is one possible solution for achieving infinity focus, depending on the setup. An angled mirror or a suitable prism may be an alternative; check the connections and the Takahashi diagram.
