Unfortunately your current device does not have features required to fully protect your sensitive data while shopping online. In order to protect your own security, we do not allow the placing of orders using insecure devices. To become our valued customer, please upgrade your Internet browser software to a more recent and secure version. We recommend using the latest version of Google Chrome or Mozilla Firefox, but any modern browser will enable you to shop with us. For additional information please feel free to contact our customer support on 1-800-342-5534 .


Promaster 1.7X Spectrum 7 AF Teleconverter for Nikon

KEH Model# 356358
Grade Notes Price Qty
With Caps

* Item pictured for illustrative purposes only, actual item not pictured.

Promaster 1.7X Spectrum 7 AF Teleconverter for Nikon Description


Promaster Spectrum 7 1.7x Teleconverter extends your lens reach by x1.7. It has a minimal reduction to your effective aperture of only 1.5 stops. This is a dedicated teleconverter lens with multi-layer coating minimizing flare and ghosting. The 1.7x teleconverter is designed for select Nikon AF lenses with max aperture of f/4.5 or above.

KEH Specifications

  • Magnification: 1.7x 
  • Compatible Lenses: Nikon AF lenses with max aperature of f/4.5 or above
  • Elements/Groups: 4/4
  • Length: 24mm
  • Weight: 4oz (100g)


Physical Characteristics

Lens Mount Nikon F Mount AF (pre-D), Nikon F Mount Ai, Nikon F Mount Ai & contacts (Ai-P), Nikon G

General information

Brand Name Promaster