Takahashi FSQ-106N/ED Prime Focus Ring

Product Overview

This is Takahashi's FSQ-106N/ED Prime Focus Ring, part TKA36205 — a prime-focus coupling for the FSQ-106N and FSQ-106ED that steps from a male 92 mm thread to a female 92 mm thread. Takahashi publishes its length as 58 mm.

Who It's For

This is a good match if you are running a prime-focus imaging train on the FSQ-106N or FSQ-106ED and need this specific M92 male-to-female coupling step.

Key Features & Design

• Male 92 mm thread on one face.
• Female 92 mm thread on the other, extending the M92 accessory family used on the FSQ-106N/ED.
• 58 mm length, the figure Takahashi publishes for this ring — enough to matter when you're totaling up backfocus on a prime-focus train.

Recommended Uses

Use it as the specified M92 coupling step for prime-focus imaging on the FSQ-106N or FSQ-106ED.

Compatibility and Accessory Notes

• Built for the FSQ-106N and FSQ-106ED M92 thread family.
• Takahashi publishes its length as 58 mm. Send us your full FSQ-106N/ED accessory train and we'll confirm the fit before you order, alongside our Takahashi Back Focus Guide.
• Mechanical only — no optical element, no change to focal length or focal ratio.

Good to Know Before You Order

• The 58 mm figure is Takahashi's own published length for this ring. We're glad to confirm it against your specific train before you order.

Frequently Asked Questions

Is it difficult to set up?

No — it is a threaded coupling ring that installs like any other part in the M92 accessory family.

Which telescopes does it fit?

The FSQ-106N and FSQ-106ED.

What does it add to my optical train?

58 mm, per Takahashi's published figure. We can confirm it against your setup.

Does it include any optics?

No, it is a mechanical adapter only.

Bottom Line

Takahashi's FSQ-106N/ED Prime Focus Ring — male 92 mm to female 92 mm, 58 mm long. It's the M92 coupling step for prime-focus imaging on these telescopes.