Olympus STF-8 Macro Flash – Black



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Compact, lightweight, and versatile macro flash

The STF-8 broadens the field of macro photography while making shooting in macro easier. This twin-flash unit is compact, lightweight, dustproof, splashproof, and freezeproof down to -10℃. Use it along with an M.Zuiko PRO lens or macro lens to add another dimension to your photography.

Compact, lightweight, dustproof, and splashproof design for superb mobility

The STF-8 is compact, lightweight, dustproof, splashproof, and freezeproof down to -10℃, making it perfect for outdoor shooting. The included ring adapter is compatible with three M.Zuiko Digital lenses. It can also be attached to other lenses using a commercially available step-up/down ring.

Guide numbers suitable for macro photography

Use both flashes for a guide number of 8.5 or one flashes for a guide number of 6. You can shoot at the closest focusing distance (maximum magnification) when using a diffuser with compatible lenses

Functions for controlling lighting

Movable flash heads
The angle of the flash heads can be adjusted in a range of 60° upward to 40° downward, and the position of the flash heads along the ring adapter can be adjusted as well. Arrange the flashes to create shadows and achieve your desired level of depth in your photos.

Output ratio control
The output ratio can be controlled from 1:8 to 8:1 between the left and right flash heads. Use the dial for quick output ratio adjustment.

Dedicated diffuser for soft lighting
A dedicated diffuser is included for creating soft lighting effects. The diffuser is designed so that you can select to use or not use it without having to attach or remove it every time.

Designed with working distance in mind
The flash heads are nearly even with the end of the lens for minimal effects on the lens working distance.

Delivering more versatile photography

Focus Stacking/Focus Bracketing compatible
The STF-8 can be used with popular features on the OM-D E-M1 Mark II, such as Focus Stacking and Focus Bracketing. – Manual flash only

Freedom in lighting
The flash heads can be removed from the ring adapter for further freedom in lighting. For example, keep one flash on the ring adapter to light the subject, and remove the other to use for background lighting.

Wireless control
This flash unit is compatible with the wireless flash control. It can be used as the commander flash during multiple-flash photography.

Macro photography with a wide-angle lens
The STF-8 is useful in wide-angle macro photography that incorporates backgrounds into a close-up shot. Use this flash unit together with a fisheye lens or super-wide-angle lens for a new style of close-ups.

Key Features

Features of the Olympus STF-8 Macro Flash

  • GN 8.5 (using 2 heads) and GN 6 (only 1 head)
  • Flexible performance for significantly expanded macro shooting expression
  • World’s first* macro flash with a dust‑, splash‑ and freeze proof (‑10°C) design
  • STF-8 flash system, instructions, carry case

What’s in the box?

  • Olympus STF-8 Twin Flash
  • 46mm Ring Adapter
  • 62mm Ring Adapter
  • 2 x Diffusers
  • 2 x Joints
  • Case


Type Clip-on type TTL auto sync macro flash
Olympus wireless remote control flash system compatible (Commander function only)
Guide Number One flash: 6.0 (ISO 100•m),
Two flashes: 8.5 (ISO 100•m)
Firing Angle Vertical: approx. 61 degree, horizontal: approx.72 degree (flash head short side, long side/one flash, covers the angle of view of a 12mm (35mm equivalent: 24mm))
Left-right Light Intensity Ratio One head firing / Two heads firing (1:8 to 1:1 to 8:1)
Can be set using dial on flash
Included Diffuser Open/Close type
Flash Modes TTL-AUTO, Manual
Remote Control (RC) Flash mode: RC
Channel: 4
Group: 4 groups, independently controlled (3 slaves, 1 camera flash)

  • RC Commander function only
Flash Head Movement Angle Up/down facing: front 0°, upward facing 0° – 60°, downward facing 0° – 40°

  • Can be slid on adapter ring
Flash Time 1/1000 sec. or less
Display LED Charging display (orange), power display (green)
Power Supply Batteries / Recommended Batteries AA alkaline batteries: 4,
AA NiMH batteries: 4
Low Power Function Power automatically turns off after being left alone for approx. 10 min in sleep mode

  • Flash enters sleep mode when the connected camera enters sleep mode.
  • Stand-alone flash enters sleep mode after being left alone for approx. 5 min.
Flash Compensation Can be set on the camera
Manual Flash Full (1/1) to 1/128 (Can be set on flash / camera)
Charging Time [1] Approx. 4 sec. (when using AA alkaline batteries)
Approx. 4 sec. (when using AA NiMH batteries)
Flash Emission Count [1] Approx. 480 times (when using AA alkaline batteries)
Approx. 1330 times (when using AA NiMH batteries)
Operating Environment [2] -10 to 40°C
Splashproof Construction Splashproof
Size Controller: W 66.9 mm x H 59.1 mm x D 68.5 mm (excl. protrusions)
Flash: W 45.4 mm x H 39.7 mm x D 42.3 mm (excl. protrusions)
Weight 283 g (incl. Controller, flashes and cords, excl. Ring adapter, joints and batteries)
Box Contents Flash case, Two diffusers, ring adapters (φ46mm, φ62mm), Two joints, instruction manual, Warranty Card

Delivering/Collecting Your Order

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For more information regarding delivery please see our delivery page.

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Please return your item unused and in original condition (as it was received by you) with proof of purchase within 14 days, and we’ll give you an exchange or refund.

We do ask when returning to use a reputable courier with a tracking service and the item to be fully insured. Please be aware that we’ll only process your refund once the item has been returned to and checked by our specialist; this can take up to 14 days.

Returning your product because it has a fault:

If your product develops a fault within 30 days of purchase, please return with proof of purchase and we’ll exchange or refund it.

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