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Swarovski Optik CA-S clamp adapter, matte black metal cylinder with knurled adjustment ring and insert rings visible

Swarovski Optik

Swarovski Optik CA-S Clamp Adapter for Spotting Scopes

SKU CH-SW67-M9BVJ

Clamp adapter secures select Swarovski spotting scopes to the VPA 2 phone adapter for stable digiscoping

  • Secure scope-to-tripod mounting reduces vibration for sharper high-magnification views
  • Fits ATX/STX, ATC/STC, ATS/STS and STR series spotting scopes
  • Connects directly to VPA 2 phone adapter for straightforward digiscoping
  • Included insert rings adjust clamp diameter for a precise scope fit
  • High-quality materials withstand varied outdoor conditions for lasting reliability

What this adapter does

The Swarovski Optik CA-S Clamp Adapter connects compatible spotting scopes to the VPA 2 variable phone adapter for smartphone digiscoping. It is built for photographers and birdwatchers who want to capture images through their scope using a mobile device. The package includes insert rings to match the diameter of supported scope models. It provides a stable platform for high-magnification viewing and imaging.

Compatibility to verify first

This adapter fits only ATX/STX, ATC/STC, ATS/STS, and STR series spotting scopes from Swarovski Optik. You must confirm your exact scope model belongs to one of these series before ordering. The included insert rings are sized for those specific bodies; other scopes will not clamp securely. You also need the separate VPA 2 variable phone adapter to complete the smartphone connection.

Behaviour during extended use

The clamp maintains a rigid lock on the scope barrel, preventing vibration drift during long observation sessions or video recording. High-quality materials resist temperature changes and humidity without loosening. The secure fit keeps the optical axis aligned with the phone camera over time, so focus and framing remain consistent. No maintenance or re-tightening is required in normal field conditions.

Highlights

  • Secure scope-to-tripod mounting reduces vibration for sharper high-magnification views
  • Fits ATX/STX, ATC/STC, ATS/STS and STR series spotting scopes
  • Connects directly to VPA 2 phone adapter for straightforward digiscoping
  • Included insert rings adjust clamp diameter for a precise scope fit
  • High-quality materials withstand varied outdoor conditions for lasting reliability

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the box with the CA-S Clamp Adapter and what else is needed to use it?

The package includes the clamp adapter and insert rings for fitting supported spotting scopes. You must buy the VPA 2 variable phone adapter separately to attach a smartphone.

Which spotting scope series does the CA-S Clamp Adapter fit?

It is designed for ATX/STX, ATC/STC, ATS/STS and STR series scopes; the included insert rings adjust the clamp to the specific model diameter.

How does the clamp adapter affect image sharpness at high magnification on a tripod?

By locking the scope firmly to the tripod and then to the VPA 2, it reduces vibration that would otherwise blur fine detail when zoomed in.

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