Leica 1.4x Apo Extender-R 3891788

Leica 1.4x Apo Extender-R 3891788

This Leica APO-Extender-R 1.4x Teleconverter, #3428580, is in great condition with minot handling wear. I rate it cosmetically a (9+). The teleconverter is in proper working order; the glass is clear. It includes front & rear caps. Please refer to the photos for details.

What Our Experts Think

• 1.4x teleconverter extends the reach of Leica R-mount lenses with minimal image degradation.

• APO optics maintain sharpness, contrast, and color accuracy.

• Precision Leica construction ensures reliable performance and perfect lens alignment.

• Ideal for wildlife, sports, and telephoto photography where extra reach is needed.

Q&A

• Q: Is this compatible with Leica R lenses?
  A: Yes, designed for Leica R-mount lenses.

• Q: What is the magnification factor?
  A: 1.4x, extending focal length while maintaining image quality.

• Q: Will it affect optical performance?
  A: Minimally, thanks to APO optics that preserve sharpness and contrast.

• Q: Suitable for professional use?
  A: Absolutely, perfect for demanding telephoto photography.

Maintenance Tips

• Keep optical surfaces clean using a microfiber cloth.

• Attach and remove carefully to avoid damaging lens mounts.

• Store in a dry, cool environment when not in use.

• Avoid impacts or excessive pressure on the extender.

• Periodically inspect contacts and mounts for smooth operation