Teleplus Pro 300

The Teleplus Pro 300 optic is specifically designed for use with telephoto lenses of 100mm or greater, such as 300mm f/2.8 lenses, and works best with telephoto lenses from 200mm to 500mm. 

 Kenko does not recommend it for zoom lenses that have a starting range below 50mm.

Pros

• Improves Telephoto Lens Range: Multiplies the focal length of the lens by 1.4x.
• High Optical Quality: High quality optical elements.
• Compatibility: Works well with a wide range of Nikon and Canon lenses.
• Effective Communication with the Camera: Maintains autofocus, aperture and data calculation functions.
• Lightweight and Compact: Easy to carry and use.

Cons

• Brightness Reduction: Requires 2/3 stop to optimize resolution power.
• AF Could Be Slower: Especially with less bright lenses.
• Not Compatible with All Lenses: For example, not recommended for use with some zoom or less bright lenses.

Specifications

• Magnification: 1.4x
• Communication: Maintains full communication between the lens and camera body, ensuring autofocus, aperture, and data calculation functions.
• Optical Design: High-quality optical elements for minimal loss of resolution and sharpness.
• Compatibility: Works with a wide range of Nikon and Canon lenses.
• Build: Precisely manufactured in Japan.