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Tokina SZ 300mm f/7.1 Pro Reflex MF Compact Lens for Sony E Mount

The Tokina 300mm f/7.1 Pro Reflex is a 300mm f/7.1 lens designed for Sony E mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Tokina SZ 300mm f/7.1 Pro Reflex MF Compact Lens for Sony E Mount

Tokina SZ 300mm f/7.1 Pro Reflex MF Compact Lens for Sony E Mount

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Lens Overview — Tokina 300mm f/7.1 Pro Reflex

The Tokina SZ 300mm f/7.1 Pro Reflex MF is a compact prime telephoto lens designed for Sony E mount mirrorless cameras, built around a catadioptric (reflex mirror) optical system that allows it to achieve a 300mm focal length in a remarkably small and lightweight package. At just 235g, this lens is notably easier to carry than conventional 300mm telephoto primes, making it a practical choice for travel, wildlife observation, and landscape photography where portability matters. The lens covers a full-frame image circle, meaning it is compatible with both full-frame and APS-C Sony E mount bodies without vignetting concerns on full-frame sensors.

Focusing is entirely manual, with no autofocus motor present, so photographers will rely on in-camera focusing aids such as focus peaking and magnification to confirm sharp focus. The fixed maximum aperture of f/7.1 is consistent with the catadioptric design, which uses a mirror-based optical path rather than traditional glass elements to fold the light path down to a compact form factor. A 34mm filter thread is provided at the front of the lens.

No image stabilization is built into the lens, so users with in-body stabilization on their Sony E mount cameras will benefit from that system when shooting handheld. This lens is a distinctive, lightweight option for photographers wanting a 300mm prime for Sony E mount.

Key Features — Tokina 300mm f/7.1 Pro Reflex

Catadioptric Optical Design: Mirror-based reflex optical system folds the light path to achieve 300mm reach in a fraction of the size of a conventional telephoto prime.

235g Compact Build: Weighing just 235g, this lens is exceptionally easy to carry for a 300mm prime, making it practical for travel and outdoor use.

300mm Prime Focal Length: Fixed 300mm focal length provides a dedicated telephoto perspective well suited to wildlife, sports, and compressed landscape shots.

Full-Frame Coverage: Image circle covers full-frame sensors, making it compatible with all Sony E mount bodies without vignetting.

Sony E Mount: Designed natively for Sony E mount mirrorless cameras, with no adapter required on any Sony E mount body.

Manual Focus Only: No autofocus motor is present, so users rely on in-camera aids such as focus peaking and magnification for precise focus confirmation.

Lens Specifications — Tokina 300mm f/7.1 Pro Reflex

Tokina 300mm f/7.1 Pro Reflex full specifications
SpecDetail
Use CasesWildlife, Birding, Travel, Astrophotography
Lens TypeTelephoto
FormatFull Frame
Zoom/PrimePrime
Focal Length300mm
Maximum Aperturef/7.1
Camera SystemMirrorless
Lens MountSony E
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread34mm

Description — Tokina 300mm f/7.1 Pro Reflex

The Tokina SZ 300mm f/7.1 Pro Reflex MF is a 300mm prime telephoto lens built on a catadioptric optical system, designed for Sony E mount mirrorless cameras. Weighing only 235g, it is a highly portable option for a lens of this focal length, making it easy to pack for travel, nature walks, or any situation where minimizing gear weight is a priority. The lens provides full-frame coverage, ensuring compatibility across the entire range of Sony E mount bodies.

Focusing is manual only, with no autofocus motor, so shooters will want to take advantage of in-camera focusing aids for precision. The maximum aperture is a fixed f/7.1, inherent to the reflex mirror design that enables the compact form factor. There is no built-in image stabilization, so pairing with an IBIS-equipped body is recommended for handheld shooting.

The front element accepts 34mm filters, a compact thread size that reflects the lens's overall emphasis on portability and minimal footprint.

Pros — Tokina 300mm f/7.1 Pro Reflex

  • ✓Extremely lightweight at just 235g for a 300mm prime telephoto
  • ✓Full-frame coverage on Sony E mount, compatible with all E mount sensor sizes
  • ✓Compact catadioptric design delivers a 300mm focal length in a portable form factor

Cons — Tokina 300mm f/7.1 Pro Reflex

  • ✗Manual focus only — no autofocus support, which can be limiting for fast-moving subjects
  • ✗Fixed f/7.1 maximum aperture is relatively narrow, reducing light intake and limiting shutter speed options in low light
  • ✗No built-in image stabilization; users without IBIS-equipped bodies have no optical stabilization

Videos — Tokina 300mm f/7.1 Pro Reflex

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Frequently Asked Questions — Tokina 300mm f/7.1 Pro Reflex

Does this lens work on full-frame Sony E mount cameras?+
Yes. The lens is specified with a full-frame lens format, meaning it covers the full-frame sensor without vignetting. It is compatible with all Sony E mount mirrorless cameras, both full-frame and APS-C.
Does the Tokina SZ 300mm f/7.1 have autofocus?+
No. This lens is manual focus only — the specifications confirm autofocus is not present. Photographers should use in-camera focus aids such as focus peaking or magnification to achieve accurate focus.
How heavy is this lens, and is it practical for travel?+
The lens weighs just 235g, which is very light for a 300mm prime telephoto. Its compact catadioptric design and low weight make it well-suited for travel and situations where carrying large telephoto glass is impractical.
Does this lens have image stabilization?+
No, the specifications confirm image stabilization is listed as None. Users who want stabilization when shooting handheld will need to rely on in-body image stabilization if their Sony E mount camera body provides it.
What filter size does this lens accept?+
The Tokina SZ 300mm f/7.1 uses a 34mm filter thread, which is quite small. This keeps compatible filters affordable and easy to source.
Is this lens a zoom or a prime?+
This is a prime lens with a fixed focal length of 300mm. There is no zoom capability — the focal length is fixed at 300mm.

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