Geekoto 76W GTR Flash
vs
Godox TT685C II Flash for Canon Cameras

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Geekoto 76W GTR

On Camera Type Flash

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Godox TT685C II

On Camera Type Flash

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Geekoto 76W GTR vs Godox TT685C II Comparison Overview

In this review, we'll compare the Geekoto 76W GTR On Camera flash with the Godox TT685C II On Camera flash. We'll begin by briefly examining the main specifications of these two flashes. In the subsequent section, we'll delve into a more detailed analysis, outlining the strengths and weaknesses of each.

Geekoto 76W GTR Key Specs

On Camera Type Flash

Designed for Canon Cameras

Guide Number: 174' / 53

Wireless Operation

TTL Capability

-7 to +120° Bounce Head

330° Swivel Head

Godox TT685C II Key Specs

On Camera Type Flash

Designed for Canon Cameras

20-mm (FF equiv.) Coverage

Guide Number: 197' / 53

Wireless Operation

TTL Capability

-7 to +120° Bounce Head

330° Swivel Head

Weight: 405g / 0.89 lb

Dimensions: 2.5 x 3 x 7.5" / 64 x 76 x 190 mm

Geekoto 76W GTR

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Godox TT685C II

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Geekoto 76W GTR

See at AMAZON

Godox TT685C II

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Reasons to choose Geekoto 76W GTR Flash over Godox TT685C II Flash for Canon Cameras

Weight	g vs 405g	405g lighter

Reasons to choose Godox TT685C II Flash for Canon Cameras over Geekoto 76W GTR Flash

Max Guide Number	197' vs 174'	23' Longer coverage
Flash Compensation Setting	-3 to +3 EV (1/3 EV Steps) vs No	Adjust flash compensation on the unit
High-Speed Sync	Yes vs No	Off-Camera use via Wireless Connection
High-Speed Sync	Yes vs No	Off-Camera use via Wireless Connection
High-Speed Sync / HSS	Yes vs No	Speeds faster than camera' Max sync speed
Second Curtain Sync	Yes vs No	Useful for capturing motion blur

Common Strengths of Geekoto 76W GTR Flash and Godox TT685C II Flash for Canon Cameras

Wireless Operation	Yes vs Yes	Off-Camera use via Wireless Connection
Auto-Zoom Head	Yes vs Yes	Automatically matches the focal length of the lens
Bounce Head	Yes (-7 to +120°) vs Yes (-7 to +120°)	Bounce the light to create softer and diffused lighting
Swivel Head	Yes (330°) vs Yes (330°)	Easily bounce the light from the sides
Off-Camera Terminal	2.5 mm vs 2.5 mm	Trigger the flash via wired connection
TTL Operation	Yes vs Yes	Through the Lens Auto Exposure

Common Weaknesses of Geekoto 76W GTR Flash and Godox TT685C II Flash for Canon Cameras

TTL Operation	No vs No	No Through the Lens Auto Exposure

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Geekoto 76W GTR vs Godox TT685C II Specs Table

Detailed comparison of specifications

GENERAL
Brand	Geekoto	Godox
Manufacturer Product Code	GTR	TT685IIC
Type	On Camera	On Camera
Mount Type	Shoe	Shoe
TECHNICAL SPECS
Guide Number	174' / 53m at ISO 100	197' / 60m at ISO 100
Focal Coverage	-	20-200mm (FF equiv.)
Flash Duration	1/220 to 1/10000sec	1/300 to 1/20000sec
Flash Duration	Approx. 0.1 to 1.5sec	Approx. 0.1 to 2.6sec
Power Range	-	1/1 to 1/128
Flash Compensation	No	-3 to +3 EV (1/3 EV Steps)
TTL Operation	Yes	Yes
Wireless Operation	Optical Pulse (TTL/Manual) Up to 50' / 15.2 m (Master, Slave) Radio (TTL/Manual) Up to 300' / 91.4 m (Master, Slave)	Radio (TTL/Manual) Up to 328.08' / 100 m, Optical Pulse (TTL/Manual) Up to 49.21' / 15 m (Master, Slave)
Wireless Channels/Groups	16 / 4	32 / 5
FEATURES
Auto-Zoom Head	Yes	Yes
Bounce Head	-7 to +120°	-7 to +120°
Swivel Head	Yes (330°)	Yes (330°)
Off-Camera Terminal	2.5 mm	2.5 mm
Mobile App Compatibility	No	No
Secondary Illumination	No	No
Exposure Controls	Canon E-TTL / E-TTL II	Canon E-TTL / E-TTL II, TTL via Separate Commander, Manual
Flash Modes	None	Hi-Speed Sync, Second-Curtain Sync
High-Speed Sync / HSS	No	Yes
Second Curtain Sync	No	Yes
Slow Sync Mode	No	No
Stroboscopic Mode	No	No
BATTERY and PHYSICAL SPECS
Internal Power	1x Rechargeable (Lithium-Ion)	4x AA (Alkaline, NiMH)
External Power-Pack	No	Yes
Weight	-	405g / 0.89 lb
Dimensions	-	2.5 x 3 x 7.5" / 64 x 76 x 190 mm