SFE Auto Teleconverter 2× (KA)

A 2× teleconverter for extending the reach of compatible Pentax K-system lenses. Installed between the camera body and lens, it doubles the effective focal length while retaining mechanical aperture coupling on compatible equipment.

Key details

2× focal-length multiplication
Pentax K-A / KA mount designation
Fits between camera body and compatible lens
Typically reduces effective light by approximately two stops
Approximate catalog weight: 200g

Compatibility and condition

The KA designation indicates Pentax K-A compatibility, but individual lenses and camera bodies can have mechanical limitations. Autofocus is not assumed; check rear elements, aperture levers and physical clearance before use.

Review the product photographs carefully and confirm compatibility with your camera and lens before purchase.

Choose your accessory

In Stock – Photographed Accessory: the exact item shown, available as one piece.

Pre-Order – Sourced for You: another compatible example sourced after purchase; appearance and sourcing time can vary.

Build your analogue kit

Browse compatible bodies in our camera collection, discover more analogue accessories, or load your camera with a fresh 35mm film roll. Please confirm mount or filter-thread compatibility before ordering.