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Olympus STF-8 Twin Flash

BH #OLSTF8 • MFR #V326160BW000
12 reviews
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Olympus STF-8 Twin Flash
Key Features
  • Compatible with Olympus TTL
  • Twin Flash Design with Adjustable Ratios
  • Guide Number: 27.9' at ISO 100
  • Coverage: 12mm (Micro Four Thirds)
Featuring a splash, dust, and freezeproof construction, the STF-8 Twin Flash from Olympus offers shooters a completely weatherproof macro flash option. Design with full TTL support for Olympus cameras, this twin flash will help users more easily illuminate their close-up subjects. Also, it features adjustable ratios to help control the contrast of the scene and how much light is coming from each side. The flash heads are designed to provide plenty of light, with a twin flash featuring a guide number of 27.9' at ISO 100 while a single head features a guide number of 19.7' at ISO 100. Additionally, it will cover a 12mm lens on Micro Four Thirds format camera and each flash head can be tilted from -40 to 60°.
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Olympus STF-8 Overview

Featuring a splash, dust, and freezeproof construction, the STF-8 Twin Flash from Olympus offers shooters a completely weatherproof macro flash option. Design with full TTL support for Olympus cameras, this twin flash will help users more easily illuminate their close-up subjects. Also, it features adjustable ratios to help control the contrast of the scene and how much light is coming from each side. The flash heads are designed to provide plenty of light, with a twin flash featuring a guide number of 27.9' at ISO 100 while a single head features a guide number of 19.7' at ISO 100. Additionally, it will cover a 12mm lens on Micro Four Thirds format camera and each flash head can be tilted from -40 to 60°.

As an advanced flash unit, the STF-8 is equipped with numerous features and settings that will help photographers. Shooters can use the STF-8 as a wireless master TTL flash to control up to 4 groups of flashes set up off camera. Also, the unit supports focus stacking and bracketing functions of select OM-D cameras. It runs on 4 AA batteries and the two included ring adapters allow it to be attached to select Olympus lenses.

Flash heads do not protrude past the lens in order to use the minimum working distance of the lens.
Splash, dust, and freezeproof to 14°F for completely weatherproof design.
Guide number of 27.9' at ISO 100 with two flashes and 19.7' at ISO 100 with a single flash.
Covers the angle of view of a 12mm lens on Micro Four Thirds cameras, or approximately 61° vertically and 72° horizontally.
Flash can be set to fire only one head or fire both with a ratio setting from 1:8 to 1:1 to 8:1.
Flash heads can be tilted upward from 0 to 60° and downward from 0 to 40°.
Flash duration of 1/1,000 second or faster.
Manual flash power settings of 1/1 to 1/128.
Comes with case, two diffusers, ring adapter, and joints.
Compatible with Focus Stacking and Focus Bracketing modes of select OM-D cameras.
Compatible Lenses
M.Zuiko Digital ED 30 f/3.5 Macro
M.Zuiko Digital ED 60mm f/2.8 Macro
M.Zuiko Digital ED 12-40mm f/2.8 PRO
UPC: 050332191242

Olympus STF-8 Specs

Key Specs
Guide Number
27.89' / 8.5 m at ISO 100
Recycle Time
Approx. 4 Seconds
Exposure Control
TTL via Separate Commander
Wireless Operation
Optical Pulse (TTL)
Unspecified Range (Master)
Internal Power
4x AA
Lens Compatibility
46mm/62mm Filter Threads (via Included Adapter Ring)
Flash
Guide Number
27.89' / 8.5 m at ISO 100
Angle of Coverage
72° Horizontal
61° Vertical
Flash Duration
1/1000 Second
Recycle Time
Approx. 4 Seconds
Exposure Control
TTL via Separate Commander
Power Range
1/1 to 1/128
Wireless
Wireless Operation
Optical Pulse (TTL)
Unspecified Range (Master)
Wireless Channels
4
Wireless Groups
4
Power
Internal Power
4x AA
General
Mount
Shoe Mount
Lens Compatibility
46mm/62mm Filter Threads (via Included Adapter Ring)
Dimensions (W x H x D)
1.8 x 1.6 x 1.7" / 45.4 x 39.7 x 42.3 mm (Individual Flash Head)
2.6 x 2.3 x 2.7" / 66.9 x 59.1 x 68.5 mm (Controller)
Weight
9.98 oz / 283 g
Packaging Info
Package Weight
2 lb
Box Dimensions (LxWxH)
10.7 x 6.7 x 4.4"

Olympus STF-8 Reviews

Very good but…

By Jean-Michel
Rated 4 out of 5
Date: 2025-01-21

This is an almost perfect product. The flashes are small and, with the included diffusers, deliver a very good lighting of macro subjects. The flashes are not very powerful but are very close to the subject by construction, so correct lighting is not an issue. The things works like a charm with my Panasonic body, everything is functional. I removed one star because of the assembly of the flashes to the bearing plate in front of the lens. This is done using a bolt with a tiny head whose correct tightening is difficult (and when correctly tightened, the removal of the flashes is difficult). This could probably be resolved in DYI but it is a pity to have this issue on a device that is very well designed on all other aspects.

Good Quality; Clever Design

By Theodore
Rated 4 out of 5
Date: 2021-01-21

The adjustability of the flash units and their output provides lots of creative possibilities.

See any errors on this page?

Does this offer full flash TTL support on ...

Does this offer full flash TTL support on Panasonic S1 and S1R cameras ?
Asked by: Fred
TTL would not be supported on the Panasonic S series mirrorless cameras.
Answered by: Kirk R
Date published: 2023-11-30

With this be a good lighting system to uses on a ...

With this be a good lighting system to uses on a copystand to digitize old photos / drawing / paintings?
Asked by: Thomas
The Olympus STF-8 Twin Flash is really for macro shots—to be used with a macro lens. If you use this on a copy stand to photograph flat art, you'd need to position the lights further away. Otherwise, you would get glare on the photos.
Answered by: Michael S
Date published: 2024-11-06

Has anybody been able to get this thing to work ...

Has anybody been able to get this thing to work on a Pen-F? I tried setting via Menu2 to Silent Mode Setting - allow Flash Mode, and still this thing does not work.
Asked by: Diana
The flash would not work on Silent Mode Setting
Answered by: vilson
Date published: 2023-11-30

Flash will not fire on the OM D I mark II. Is ...

Flash will not fire on the OM D I mark II. Is there a setting buried in the menus that has to be changed?
Asked by: carole
Do you have batteries installed correctly? Does the unit turn on? When you press the ON/OFF button on the controller, the green light should turn on and the orange Charge light should also turn on if the flash is charged. Also, make sure that the RC Mode in the camera menu (Shooting Menu 2) is OFF.
Answered by: Mohsin
Date published: 2025-10-17

question

Is it possible to buy extra diffusers for the Olympus STF-8 flash?
Asked by: John
Unfortunately, no, it is not. I contacted Olympus America and they state that the diffusers included in the Olympus STF-8 Twin Flash are not available as a separate replacement accessory.
Answered by: Manzell L.
Date published: 2019-06-19

Will this work with the OM-5 and OM-1mkII?

Will this work with the OM-5 and OM-1mkII?
Asked by: Timothy
Yes, the Olympus STF-8 Twin Flash is compatible with both the OM-5 and the OM-1 II.
Answered by: Stephen M
Date published: 2024-12-26

question

Is this compatable with the E-M1 Mk 1?
Asked by: Bobby C
Yes, it will work with any olympus camera. You have to use it with either the 30mm f/3.5 macro, 60mm f/2.8 macro, or 12-40 f/2.8 PRO.
Answered by: Jacob C.
Date published: 2018-08-27

New to flash here. What is the maximum possible ...

New to flash here. What is the maximum possible camera to subject distance for adequate illumination?
Asked by: Donna
Twin flashes are not made for covering great distances. They are mainly made for macro photography, extreme close ups of things such as flowers, bugs, and bugs on flowers. As a rough estimate the Olympus STF-8 Twin flash should be fine in a range up to 8-10 feet at the most. If you are looking for more in a distance range up to 40-50 feet, the Olympus FL-900R would be a better option. Please take a look at the following link: https://bhpho.to/2h05lsh
Answered by: Dan W
Date published: 2024-11-26
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