Canon user manual Specifications 400D

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2. Specifications 400D

Test Pressure

10 Bar (300 ft.) Housings are individually tested

Closure Design

Air Lock

Body Material

Polycarbonate

Overall Size

200 x 300 x 230 mm (LxWxH)

Total Weight

Approximately 2.6 Kg (Housing only)

Buoyancy (with camera)

Approximately neutral in salt water

Features

Visible main O-ring for final pre-dive check

 

Double O-ring design on all controls

 

Bulkhead and hot shoe plug for External 580-EX e-TTL

 

strobe

 

Standard Zoom Port18~55mm Lens

 

 

Accessories

400D Opening key / Lever

 

Silicone O-ring grease

 

Spare main O-ring

 

Carrying bag

 

Cleaning Kit

 

 

Optional accessories

Semi-Dome Port for 10~22mm Lens

 

580-EX e-TTL Flashlight Housing

 

Flex Arm

 

Ball Join Arm

 

Synchronous Cord

 

 

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Contents Camera Housing Model 400D Canon Specifications 400D Function Controls 400D Opening levers Set up Instructions Air LockPressure release plug When to maintain the O-ring seal Special note on responsibility for watertight integrityProcedure Mounting the camera in the housingPage Page Use & Care of Housing Pre Dive Function Check Cleaning & StorageAccidents Please keep this document for future reference
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400D specifications

The Canon EOS 350D, 300D, and 400D are pivotal models in the history of Canon's digital SLRs, each contributing significantly to the popularization of DSLR technology among enthusiasts and professionals.

The Canon EOS 300D, introduced in 2003, marked a turning point for digital photography. It was Canon's first entry-level DSLR and brought professional-quality features to a wider audience. It features an 18-megapixel APS-C sensor, capturing images at a maximum resolution of 3072 x 2048 pixels. One of its defining characteristics was the inclusion of an 8-megapixel sensor, which was revolutionary at the time, allowing photographers to produce detailed images. The camera also provided a robust build and a user-friendly interface, making it accessible to beginners.

In 2005, Canon released the EOS 350D, building upon the 300D's foundation. The 350D refined the design with a smaller and lighter body, while also bumping up the resolution to 8 megapixels. It introduced a 2-inch LCD screen with a sharper display, enhancing usability. The camera also incorporated a more advanced DIGIC II image processor, improving overall performance, including faster autofocus and better noise control at higher ISO settings. The 350D supported a range of lenses, further expanding creative possibilities for users.

The Canon EOS 400D, launched in 2006, pushed the envelope further. With a resolution of 10 megapixels, it offered even more detail in images. The 400D introduced a newly designed dust reduction system, effectively combating sensor dust—a common issue for DSLRs. The 2.5-inch LCD screen was larger and featured a better viewing angle, allowing for more comfortable composing and reviewing of shots. This model was also equipped with the DIGIC III processor, which improved shooting speed and image quality, particularly in challenging lighting conditions.

All three models share a commitment to durability, usability, and performance, making them ideal choices for budding photographers. Their compatibility with Canon's extensive EF lens lineup ensures that users have access to a broad range of focal lengths and creative options.

In summary, the Canon EOS 300D, 350D, and 400D each played a significant role in the evolution of digital photography, providing key technologies and features that appeal to both novice and seasoned photographers alike. Their legacy continues to influence Canon's current offerings in the DSLR market.