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Details of DX-1G DX-1G [Macro mode] DX-1G [Wide mode] DX-1G [SEA&SEA mode] DX-1G [System Samples]
SYSTEM SAMPLES
An external light source (optional) is a critical forgood underwater photography
Photography with an External Strobe

When an external strobe is used, the image acquires greater brilliance as an abundance of light is shed and it reaches further than the built-in flash, particularly when the subject is further away.

Colors like red and orange are absorbed underwater, so the deeper you go, the more prevalent blue becomes. This is why an external strobe, a high-power artificial light, is used to bring out the inherent colors of the underwater objects. Since the built-in flash does not have a strong intensity, the light is unable to reach objects that are further away. Using the external strobe at an angle is an effective means of preventing floating particles - called backscatter from reflecting light in your picture.
Photographic data: DX-1G; YS-110 x 2; SEA&SEA mode; Macro mode; Water depth of 12m / 39ft Place: Mactan Island, Cebu, the Philippines

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Photographed only with the built-in flash

When the subject is further away in macro photography, the entire picture tends to be under-exposed (dark) because there is insufficient light reaching the subject.

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An external light source (optional) is a critical for good underwater photography
YS-27DX
A manual slave strobe with a guide number control function that enables the light intensity to be set in nine increments. (1.7 (Min) to 20 (Max); in increments of 1EV)
YS-110
A versatile model that offers fully automatic DS-TTL light control, when it is connected using a fiber-optic cable to a compact digital camera with pre-flash.
YS-250PRO
A new-generation YS flagship model that boasts a maximum guide number of 32 and a circular flat beam angle as wide as 105°.
LX-33
A compact and high-performance 33W underwater video light that can be used for a variety of purposes, such as video and digital camera photography, and as a diving light.
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The DX-1G system is able to accommodate a variety of photographic needs. A wide range of settings are possible.
System sample with YS-27DX strobe for macro photography System sample with YS-110 strobe System sample with LX-33 video light
System sample with two YS-110 strobes for wide angle photography    
Details of DX-1G DX-1G [Macro mode] DX-1G [Wide mode] DX-1G [SEA&SEA mode] DX-1G [System Samples]