Brands Guides About
Tokina TO1-KSZX40020 SZX-400mm + 2X Extender T-Mount Kit — main product image
Tokina

Tokina TO1-KSZX40020 SZX-400mm + 2X Extender T-Mount Kit

★★★★★5.0 (1 reviews)

Capture Distant Subjects with the Tokina SZX 400mm & 2X Extender KitExpand your photographic capabilities with the Tokina SZX 400mm & 2X Extender Kit. This versatile kit allows you to capture far objects with greater magnification, turning the 400mm lens into an 800mm super telephoto lens...

$369.00*
Check availability

*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Capture Distant Subjects with the Tokina SZX 400mm & 2X Extender Kit

Expand your photographic capabilities with the Tokina SZX 400mm & 2X Extender Kit. This versatile kit allows you to capture far objects with greater magnification, turning the 400mm lens into an 800mm super telephoto lens. Ideal for wildlife, sports, and astrophotography, the Tokina SZX kit offers exceptional image quality and creative possibilities.

Specifications:

Tokina SZX SUPER TELE 400mm F8 Reflex MF Lens:

  • Maximum Aperture: f/8
  • Minimum Aperture: f/8
  • Format: Full Format (24mm x 36mm)
  • Lens Configuration: 5 groups, 6 elements
  • Minimum Focus Distance: 1.15m
  • Filter Size (front): 67mm
  • Filter Size (rear): 30.5mm
  • Weight (without mount adapter): 355g

Tokina 2X Extender TA-020:

  • Magnification: 2x
  • Exposure Correction: 2 stops
  • Weight: 115g

Key Features

- Compact and lightweight optical construction

- 2 times magnification

- Budget saving solution for those who need more powerful magnification

- Compatibility with 6 camera mounts including 4 mounts for mirrorless cameras

F8 and Manual focus catadioptric lens

Specifications

Focal Length
400mm
Aperture
F8 (Manual Focus)
Lens Type
Catadioptric
Magnification
2X (with extender)
Mount Compatibility
6 camera mounts (including 4 mirrorless mounts)
Kit Includes
2X Extender T-Mount Kit

Pros & Cons

👍 Pros

  • Offers a powerful 2 times magnification, allowing for significantly closer views of distant subjects.
  • Features a compact and lightweight optical construction, making it easier to carry and handle for extended periods.
  • Provides a budget-saving solution for photographers seeking increased magnification without a high cost.
  • Boasts compatibility with six different camera mounts, including four mounts for mirrorless cameras, enhancing versatility.
  • The included 2X Extender T-Mount Kit expands its telephoto capabilities even further.

👎 Cons

  • It is a manual focus catadioptric lens, meaning it requires manual adjustment and lacks autofocus capabilities.
  • The F8 aperture is fixed and relatively slow, which can limit performance in low-light conditions and depth-of-field control.
  • The specific 400mm focal length combined with the catadioptric design might result in characteristic "donut" bokeh, which is not universally desired.
  • While compact and lightweight, the manual focus and fixed aperture might pose a learning curve for some photographers.
  • The "budget saving solution" implies potential compromises in optical performance compared to more expensive, faster lenses.

Frequently Asked Questions

The Tokina SZX-400mm lens has a fixed focal length of 400mm, designed for telephoto photography.
No, the Tokina SZX-400mm is a manual focus catadioptric lens, requiring manual adjustment for focusing.
This lens has a fixed aperture of F8, which is characteristic of catadioptric designs.
The kit includes the SZX-400mm lens along with a 2X Extender T-Mount, offering increased magnification capabilities.
Yes, it boasts compatibility with six camera mounts, including four mounts specifically for mirrorless cameras, making it versatile across systems.
Catadioptric lenses are known for their compact and lightweight optical construction, and this model offers a budget-saving solution for powerful magnification.

Related Products