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Comparison Godox ThinkLite TT685 vs Godox ThinkLite TT600

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Godox ThinkLite TT685Godox ThinkLite TT600
from £120.87 
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Typeregular (classic)regular (classic)
Camera compatibility
Canon
Fuji
Nikon
Olympus
Panasonic
Pentax
Sony
Canon
Fuji
Nikon
Olympus
Panasonic
Pentax
Sony
Specs
Guide number6060
Reload time0.1 с0.1 с
Number of impulses230230
Pulse duration1/8000 c1/300 - 1/20000 c
TTLE-TTL, I-TTL, P-TTL, TTLE-TTL, I-TTL, P-TTL, TTL
Power management++
Beam angle20 - 200 mm20 - 200 mm
Rotary head
Head anglevertical - 90 degrees, horizontal - 270 degreesvertical - 90 degrees, horizontal - 270 degrees
Features
Features
autofocus illumination
manual zoom
slave mode
autofocus illumination
manual zoom
slave mode
Power supply
Power source4xAA4xAA
General
Screen
Screen backlight
Dimensions76x64x190 mm
Weight410 g
Added to E-Catalogfebruary 2017february 2017
Which is better, Godox ThinkLite TT685 or TT600?

The Godox ThinkLite TT685 and TT600 flashes have similar characteristics, but there are some key differences. Both devices have a guide number of 60 and support TTL, however, the TT685 offers high-speed synchronization up to 1/8000 seconds, making it more versatile for shooting in bright conditions. The recharge time for both models is from 0.1 to 2.6 seconds, and they can produce 230 flashes on a single battery charge. The TT685 also has a swivel head with a 90-degree vertical and 270-degree horizontal swivel angle, providing greater flexibility in use. While the TT600 also supports all the basic functions, its flash duration varies from 1/300 to 1/20000 seconds, which may be less convenient for some scenarios. Both devices operate on 4 AA batteries and feature display illumination, making them convenient to use.

Godox ThinkLite TT685 often compared
Godox ThinkLite TT600 often compared
Glossary

Pulse duration

The duration of the pulse of light provided by the flash. This indicator can range from thousandths to hundred thousandths of a second; it is usually expressed as a fractional number with a unit in the numerator, such as 1/880 s. The human eye does not notice the difference, but in some shooting modes it can become critical. For example, to capture fast-moving scenes (such as splashing water, the flight of an insect, or the movement of machine parts) you need to choose a flash with the shortest flash duration possible — otherwise the image may be blurry.

The longest pulse duration in modern photoflashes is about 1/800 s; the minimum value can reach 1/30,000 s or even less.