Godox MF-R76 TTL Macro Ring Flash Instruction Manual

GODOX Photo Equipment Co.,Ltd.
Add.: Building 2, Yaochuan Industrial Zone，Tangwei Community, Fuhai Street, Bao’an District,
Shenzhen 518103, China Tel: +86-755-29609320(8062) Fax: +86-755-25723423
E-mail: godox@godox.com

GODOX Photo Equipment Co.,Ltd.
Add.: Building 2, Yaochuan Industrial Zone，Tangwei Community, Fuhai Street, Bao’an District, Shenzhen 518103, China Tel: +86-755-29609320(8062) Fax: +86-755-25723423
E-mail: godox@godox.com

godox.com

Forword

Thank you for purchasing!
MF-R76C is a macro ring flash suitable for Canon cameras and compatible with E-TTL II auto flash. Equipped with 2.4G wireless transmission, 2 flash modes and multiple output power adjustment, it can be widely used in macro shooting scenes such as insect photography, plant photography, jewelry photography and dental photography.

Main Features

No vignetting and no shadows in macro shooting.
Accurate power adjustment from 1/1 full power to 1/256 at 1/3EV each stop. Equipped with 2.4G wireless transmission, workable as a transmitter or receiver unit in wireless flash group.

Lithium battery power supply, up to 550 flash times in 1/1 full power.
Easy to install and suitable for camera lenses with a diameter of 49mm-77mm.

2 focus assist beams and 10 levels of brightness adjustment.
Simple user´s interface, convenient and comfortable operation.

Warning

Always keep this product dry.
Do not disassemble. Should repairs become necessary, this product must be sent to an authorized maintenance center.

Keep out of reach of children.
Stop using this product if it breaks open due to extrusion, falling or strong hit. Otherwise, electric shock may occur if you touch the electronic parts inside it.

Do not leave or store the flash unit if the ambient temperature reads over 50℃.
Do not fire the flash directly into the eyes (especially those of babies) within short distances.

Otherwise visual impairment may occur.
Do not use the flash unit in the presence of flammable gases, chemicals and other similar materials. In certain circumstance, these materials may be sensitive to the strong light
emitting from this flash unit and fire or electromagnetic interference may result.

As this product is not waterproof, do not use in rain or in damp conditions.

Name of Parts

Light Body

Flash Head
MODE Button

Focus Assist Beam Button (1~10 level)
MENU/Lock Button
RATIO Button
Test Button
SET Button
Select Dial
Power Switch Button
Lock Ring
Hotshoe
Flash Tube A
Flash Tube B
Battery Remove Button
Controller
2.5mm Sync Cord Jack
Connecting Cable
Lithium Battery
Adapter Ring Connecting Port

Detaching Mount
Display
Type-C Port

Display

What’s in the Box

Battery

This product uses 7.2V/2980mAh lithium battery which has long runtime.
It is reliably safe. The inner circuit is against overcharge, overdischarge, overcurrent, and short circuit.
Tips: Macro ring flash MF-R76C is compatible with Godox V1 lithium battery VB26 and AD100Pro lithium battery WB100.

Cautions

Do not short circuit.
Do not expose to rain or immerse into water. This battery is not water proof.

Keep out of reach of children.
No over 24 hours’ continuous charging.
Store in dry, cool, ventilated places.

Do not put aside or into fire.
Dead batteries should be disposed according to local regulations.
If the battery had ceased using for over 3 months, please make a full recharge.

Please charge the battery to approx. 60% before being placed for long time.

Loading and Unloading the Battery

Installation of the Controller

Disassembly of the Controller

Installation of the ring flash

Disassembly of the ring flash

Slightly pull out the remove buckle on the back, and then rotate to the right to remove the ring flash.

Power switch

Toggle Power switch button to <ON> to power on, and <OFF> to power off.

ETTL Flash Mode

M (Manual) Flash Mode

Short press the MODE button to switch to <M > manual flash mode, and the <M> icon will be on the left upper corner of the display.
There are 3 flash modes: flash tube A and B flash in different flash ratio, only flash tube A or B flashes, flash tube A and B flash in the same flash ratio.

1. Overall Flash Ratio Setting
Short press the Ratio button to make <M> icon and output power on the display.
Turn the select dial to adjust the output power from 1/1 full power to 1/256 with an increment of 1/3 each stop.
Note: The minimum output is 1/64 when HSS is turned on.

Transmitter Unit Setting

Set the flash status as a transmitter unit in the menu (please refer to the wireless setting).
Turn the select dial to switch group A/B/C/D.
Turn the SET button to select,then short press the MODE button to switch to

TTL/M/–. Turn the select dial in TTL mode to adjust the FEB value from -3 to +3 with an increment of 1/3 each stop. Turn select dial in M mode to adjust the output power from 1/1 full power to 1/256 with an increment of 1/3 each stop.

Note: TTL means TTL auto flash, M means manual flash, — means off.
The parameter values of A, B, C and D in the interface are parameter values of receiver A, B, C and D. One transmitter unit can control four receiver units at most, and the transmitter unit output is group A output.

The wireless channel of the transmitter unit should be set the same as the receiver units in order to control them, please refer to the wireless setting.

Receiver Unit Setting

Set the flash status as a receiver unit in the menu (please refer to the wireless setting below) .
Short press the SET button or turn the select dial to switch among A/B/C/D.
A means the flash is set as receiver A unit.
B means the flash is set as receiver B unit.
C means the flash is set as receiver C unit.
D means the flash is set as receiver D unit.

The wireless channel of the transmitter unit should be set the same as the receiver units, please refer to the wireless setting.

Wireless Setting

Wireless Multiple Flash Shooting (2.4G Wireless Transmission)

This chapter mainly explains how to perform wireless multiple shooting with 2.4G wireless transmission by using MF-R76C as the transmitter unit (refer to as “transmitter unit” below) and Godox flashes with 2.4G wireless receivering function such as MF-R76C, AD100PRO and V860III as the receiver unit (refer to as “receiver unit” below).

1. TTL: Wireless Multiple Flash Shooting in TTL Auto Flash Output Mode

Set the flash groups (A, B, C and D) of MF-R76C (transmitter unit) as <TTL>, no need to set the receiver units and they will perform wireless multiple flash shooting in auto flash. Set the FEB value on transmitter unit, no need to set the receiver units and they will follow the transmitter.

2. M: Wireless Multiple Flash Shooting in M Manual Flash Output Mode

Set the flash groups (A, B, C and D) of MF-R76C (transmitter unit) as either the same or different flash output power, no need to set the receiver units and they will perform wireless multiple flash shooting by following the transmitter.

3. Wireless Multiple Flash Shooting in Different Flash Modes

Set the flash groups (A, B, C and D) of MF-R76C (transmitter unit) as the different flash modes, no need to set the receiver units and they will perform wireless multiple flash shooting in different flash modes. Set the FEB value on transmitter unit, no need to set the receiver units and they will follow the transmitter.

Note:

When the camera is set to fully automatic mode or program image control area mode, the operations in this chapter cannot be achieved. The wireless flash shooting can be achieved when the camera is set to P/Tv/Av /M/B (creative shooting).

The receivers mentioned in this chapter are all sold separately.
The flash output of the transmitter is group A by default.
If the receivers do not flash resulting from inconsistency of channels with the transmitter, please adjust them to the same. The channel setting of the receivers please refer to their instruction manuals.

Do not set obstacles between the transmitter and the receivers to avoid interference.
Please conduct flash test and shooting test before wireless multiple flash shooting.
Please refer to the wireless setting of menu setting for how to set the flash as a transmitter unit.

Please refer to the wireless setting of menu setting for how to set the flash as a receiver unit.
All the above descriptions in this chapter are based on the condition that MF-R76C is the transmitter.

High Speed Sync

MF-R76C is capable of producing high-speed flashes synchronized to the maximum speed of the camera’s shutter, making it especially handy when taking pictures of the subject at soft light background.

Note: The minimum power of M (manual) flash is 1/64 when HSS is on.

First Curtain Sync

First curtain flash refers to the flash fires at moment when the first curtain is fully opened, this function is suitable for shooting scenes in general situations.

Second Curtain Sync

Second curtain flash refers to the flash does not fire when the shutter is fully opened but fires at moment before the second curtain is closed, this function is suitable for shooting scenes in slow speed shutter.

Focus Assist Beams

Short press the focus assist beam button to turn on or turn off the modeling light.

Focus assist beam adjustment: Turn on the focus assist beam, long press focus assist beam button to enter the setting interface, then turn the select dial to adjust in 1-10 stops. After which, long press to exit.

Locking Function

Long press the MENU/lock button to lock or unlock the display.

Short press any button in locked status won’t work, and that’s to avoid maloperation in shooting.

Note: Long press the MENU/lock button won’t work in menu interface means it’s not locked.

Sync Cord Jack Trigger

The sync cord or trigger plug can be inserted into the 2.5mm sync port to fire the flash.

Over-Temperature Protection

To avoid overheating and deteriorating the flash head, do not fire more than 30 continuous flashes in fast succession at 1/1 full power. After 30 continuous flashes, allow a rest time of at least 10 minutes.

Other Protections

Light Body Reset

Long press the focus assist beam button and MENU button until “RESET” icon appears, when the “RESET” icon disappears means reset completed.

Menu Setting

Technical Data

All the above data are based on Godox testing standards.
Design and specifications may be subject to change without notice.

List of Compatible Canon Cameras

80D, 90D, 7D, 6D, 70D, 750D/760D, 5DMarkIV, EOS 1DX, 6DMarkII, 77D, 800D, 5DMarkIII, 5DMarkII, 60D, 7D Mark II, 600D, 50D, 30D, 500D, Digital X, M5, M50, R, RP, 1500D, 3000D

Note:
1. This table only lists the tested camera models, not all Canon series cameras. For the compatibility of other camera models, a self-test is recommended.
2. Rights to modify this table are retained.

Troubleshooting Guide

Please refer to the guide table below when problems occur.

Firmware Upgrade

This product supports firmware upgrade through the Type-C USB port, please use Type-C USB connection line (sold separately). As the firmware upgrade needs the support of Godox G3 software, please download and install the
“Godox G3 firmware upgrade software” before upgrading from our official website https: www.godox.com. Then, choose the related firmware file.
Please refer to the latest electronic version of the instruction manual.

The Reason & Solution of Not Triggering in Godox 2.4G Wireless

Disturbed by the 2.4G signal in outer environment (e.g. wireless base station, 2.4G wifi router, Bluetooth, etc.)
→ To adjust the channel CH setting on the flash trigger (add 10+ channels) and use the channel which is not disturbed. Or turn off the other 2.4G equipment in working.

2. Please make sure that whether the flash has finished its recycle or caught up with the continuous shooting speed or not (the flash ready indicator is lighten) and the flash is not under the state of over-heat protection or other abnormal situation.
→ Please downgrade the flash power output. If the flash is in TTL mode, please try to change it to M mode (a preflash is needed in TTL mode).
3. Whether the distance between the flash trigger and the flash is too close or not (＜0.5m).
→ Please turn on the “close distance wireless mode” on the flash trigger.
→ Please set the MENU- -DIST to 0-30m.

4. Whether the flash trigger and the receiver end equipment are in the low battery states or not
→ Please replace the battery.

Maintenance

Shut down the device immediately should abnormal operation be detected.
Avoid sudden impacts and the product should be dedusted regularly.
It is normal for the flash tube to be warm when in use. Avoid continuous flashes if unnecessary. Maintenance of the flash must be performed by our authorized maintenance department which can provide original accessories.
This product, except consumables e.g. flash tube, is supported with a one-year warranty. Unauthorized service will void the warranty.
If the product had failures or was wetted, do not use it until it is repaired by professionals. Changes made to the speciﬁcations or designs may not be reflected in this manual.

FCC Statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation.

Any Changes or modiﬁcations not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirement.
The device can be used in portable exposure condition without restriction.

Warning
Operating frequency:2412.99MHz – 2464.49MHz
Maximum EIRP Power:4.37dBm

Declaration of Conformity
GODOX Photo Equipment Co.,Ltd. hereby declares that this equipment are in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. In accordance with Article 10(2) and Article 10(10), this product is allowed to be used in all EU member states.For more information of DoC, Please click this web link:
https://www.godox.com/eu-declaration-of-conformity/ The device complies with RF speciﬁcations when the device used at 0mm from your body.

Warranty

Dear customers, as this warranty card is an important certiﬁcate to apply for our maintenance service, please ﬁll in the following form in coordination with the seller and safe-keep it. Thank you!

Applicable Products

The document applies to the products listed on the Product Maintenance lnformation (see below for further information). Other products or accessories (e.g. promotional items,giveaways and additional accessories attached,etc.) are not included in this warranty scope.

Warranty Period

The warranty period of products and accessories isimplemented according to the relevant Product Maintenance Information. The warranty period is calculated from the day(purchase date) when the product is bought for the ﬁrst time,And the purchase date is considered as the date registered onthe warranty card when buying the product.

How to Get the Maintenance Service

If maintenance service is needed, you can directly contact the product distributor or authorized service institutions. You can also contact the Godox after-sale service call and we will offer you service. When applying for maintenance service, you should provide valid warranty card. If you cannot provide valid warranty card, we may offer you maintenance service once conﬁrmed that the product or accessory is involved in the maintenance scope, but that shall not be considered as our obligation.

Inapplicable Cases

The guarantee and service offered by this document are not applicable in the following cases: ① The product or accessory has expired its warranty period; ② Breakage or damage caused by inappropriate usage, maintenance or preservation, such as improper packing, improper usage, improper plugging in/out external equipment, falling off or squeezing by external force, contacting or exposing to the improper temperature, solvent, acid, base, flooding and damp environments, etc; ③ Breakage or damage caused by non-authorized institution or staff in the process of installation, maintenance, alternation, addition and detachment; ④ The original identifying information of product or accessory is modiﬁed, alternated, or removed; ⑤ No valid warranty card; ⑥ Breakage or damage caused by using illegally authorized, nonstandard or non-public released software; ⑦ Breakage or damage caused by force majeure or accident; ⑧ Breakage or damage that could not be attributed to the product itself. Once met these situations above, you should seek solutions from the related responsible parties and Godox assumes no responsibility. The damage caused by parts, accessories and software that beyond the warranty period or scope is not included in our maintenance scope. The normal discoloration, abrasion and consumption are not the breakage within the maintenance scope.

Maintenance and Service Support Information

The warranty period and service types of products are implemented according to the following Product Maintenance Information:

Read More About This Manual & Download PDF:

Documents / Resources

Godox MF-R76 TTL Macro Ring Flash [pdf] Instruction Manual
MF-R76, MF-R76 TTL Macro Ring Flash, TTL Macro Ring Flash, Macro Ring Flash, Ring Flash

References

User Manual