Takahashi Adapter for Turret 36.5mm 2 (TKA00105)

Description

Takahashi Adapter for Turret 36.5mm 2 (TKA00105)

When you fit the 4-Turret eyepiece holder (TKA00404) to certain Takahashi refractorssuch as the FC76S, FSQ85, FSQ106ED, FSQ130ED, Mewlon250CRS, or Mewlon300CRSyou need precisely 36.5mm of optical extension for proper focus. The TKA00105 is designed specifically for this purpose: a solid, short 2 extension tube with threaded 2 filter thread and dual M5 compression screws, all in black-anodized aluminum, ensuring rigidity and zero flex.

At just 36.5mm of additional back-focus, it positions the turret perfectly, allowing full immersion of the standard 2 sleeve and leaving room for filters. Its the only correct spacer for maintaining the optical train integrity when switching to the turret systemno makeshift stacking, no compromises.

CloudyNights Insight

Though the adapter itself is rarely the headline in user discussions, many veteran FSQ/FCQ owners stress the importance of the right spacer when using accessories like the 4turret: You must use the 36.5mm spacer or the system just wont focusa quote echoed in several threads about turret focus issues. That consensus reinforces the TKA00105s necessity for smooth, reliable eyepiece changes without sacrificing image sharpness or safety.

Observing Tip

Install the TKA00105 between the turret base and your telescopes rear cell before adding the turret. This ensures the turret rotates freely, eyepieces reach critical sharpness, and your alignment remains stableeven under heavy star charts and multi-eyepiece use. Once the tube is in place, filter access via the front retaining screws is easy and secure.