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Overview

Capture distant subjects with outstanding clarity using the Sony G Master telephoto prime lens. This lightweight 400mm f/4.5 lens weighs just 994g and measures 242mm long for enhanced mobility when shooting handheld. Advanced G Master optics, Optical SteadyShot image stabilization, and dual XD Linear Motors deliver high-resolution images, smooth bokeh, and fast, precise autofocus.

Sony E-Mount Full-Frame FE 400mm f/4.5 G Master OSS Telephoto Prime Lens - White

Brand: Sony
Model: SEL400F45GM
Web Code: 20185822
Sold and shipped by Best Buy

Available for deliveryAvailable for preorder

Release Date: October 15, 2026

Return Policy

30 days to return or exchange

Condition: unopened, opened (a 15% restocking fee will be applied)

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Manufacturer's Warranty

Check with the manufacturer for details or add Best Buy Protection for extra coverage.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • SEL400F45GM Lens
  • Lens Hood
  • Lens Front Cap
  • Lens Rear Cap
  • Soft Case
  • Lens Strap
  • Case Strap
  • Tripod Mount
  • 400mm f/4.5 full-frame G Master super-telephoto prime lens for Sony E-mount mirrorless cameras
  • Lightweight design weighs just 994g and measures 242mm long for easier handheld shooting
  • Super ED and ED glass elements help minimize aberrations for high-resolution image capture
  • Nano AR Coating II helps suppress flare and ghosting for improved clarity and contrast
  • 11-blade circular aperture produces smooth, natural-looking background bokeh
  • Two XD Linear Motors deliver fast, precise, and quiet autofocus performance
  • Reliable subject tracking helps capture fast-moving wildlife and sports subjects
  • Optical SteadyShot image stabilization features selectable modes for handheld shooting and can work with a compatible camera body for enhanced stabilization
  • Focus breathing suppression supports smoother video recording while quiet lens operation helps minimize unwanted movie audio
  • Linear Response MF provides direct and intuitive manual focus control
  • Full-time DMF and Focus Range Limiter functions provide additional focus control
  • Four focus hold buttons allow convenient access in a variety of shooting orientations
  • Function ring can be assigned to APS-C/Full Frame switching, Preset Focus, or Power Focus
  • Dedicated switch provides Optical SteadyShot ON/OFF control and stabilization mode selection
  • Full-time DMF allows the intended subject to be reacquired by rotating the focus ring when the feature is enabled
  • Compatible with optional 1.4x and 2.0x teleconverters for extended reach up to 800mm with the 2.0x teleconverter
  • Dust- and moisture-resistant design supports shooting in challenging outdoor conditions
  • Fluorine coating on the front lens element helps resist contaminants and simplifies cleaning

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .