Sony 2X Teleconverter
The Sony SEL20TC is a lens accessory from Sony — known for its 2x Focal Length Extension and Autofocus Retention. Used copies start from $263.84 on GearFocus, with buyer protection on every purchase.
Sony 2X Teleconverter
Used Sony SEL20TC Listings on GearFocus
Overview — Sony SEL20TC
Key Features — Sony SEL20TC
2x Focal Length Extension: Doubles the focal length of compatible Sony telephoto lenses, effectively extending reach for wildlife, sports, and birding without changing lenses.
Autofocus Retention: Maintains autofocus operation with compatible Sony lenses, so fast-moving subjects can still be tracked without switching to manual focus.
Sony E Mount: Purpose-built for Sony's mirrorless ecosystem, ensuring a direct, native connection with compatible Sony E mount telephoto lenses.
Full-Frame Coverage: Designed to cover full-frame sensors, making it suitable for use with Sony's high-resolution mirrorless bodies without vignetting.
Auto and Manual Focus: Supports both autofocus and manual focus modes, giving photographers flexibility depending on the shooting situation.
207g Compact Build: At 207g, the teleconverter adds relatively modest weight to a telephoto setup, keeping the overall kit manageable in the field.
Specifications — Sony SEL20TC
| Spec | Detail |
|---|---|
| Lens Format | Full Frame |
| Camera System | Mirrorless |
| Zoom Prime | Prime |
| Auto Focus | Yes |
| Focus Type | Auto, Manual |
| Focal Length Range | Telephoto |
| Image Stabilization | None |
| Weight unit | g |
| Weight value | 207 |
| Mount lens | Sony E |
| Compatible Mount | Sony E |
Description — Sony SEL20TC
The Sony 2X Teleconverter is designed for Sony E mount mirrorless cameras and provides telephoto focal length extension for compatible lenses. It supports full-frame coverage, making it well-suited for use with Sony's full-frame mirrorless bodies. Weighing just 207g, it adds relatively little bulk to a telephoto kit.
The teleconverter supports both Auto and Manual focus modes, with autofocus fully retained during use — an important consideration for fast-moving subjects in wildlife or sports scenarios. There is no image stabilization built into the unit, and no filter thread is present on the accessory. Classified as a prime optical configuration operating in the telephoto focal length range, this teleconverter is a straightforward choice for Sony E mount shooters looking to extend their telephoto reach while keeping autofocus functionality intact.
Pros — Sony SEL20TC
- ✓Supports autofocus (autoFocus: true), allowing AF to be retained with compatible lenses
- ✓Compatible with Sony E mount, purpose-built for Sony mirrorless systems
- ✓Full-frame coverage (lensFormat: Full Frame) suits high-resolution mirrorless bodies
Cons — Sony SEL20TC
- ✗No image stabilization built into the unit (imageStabilization: None)
- ✗No filter thread available on this accessory (filterThreadSize: null)
- ✗Compatibility is limited to Sony E mount lenses — not usable with other lens mounts
Videos — Sony SEL20TC
This makes the Sony 70-200 perfect for WILDLIFE Photography — Olle Nilsson