underwater Photo Course :: (2) Equipment Guide :: Underwater Camera Housings :: Digital Underwater Cameras :: Camera Housing Viewfinders

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One photographic mistake that can be cured by equipment choice is subject cropping. It is vital to preview the image exactly. The best camera viewfinder system to this is called Single Lens Reflex (SLR). By means of an ingenious prism and mirror system, you can see the image exactly as it is seen through the lens (TTL)

 The viewfinder on many budget point and shoot cameras is merely a 'window' built in to the camera body (AKA a rangefindera simple window in the camera or accessory on top that approximates the coverage of the lens for framing composition system). Unfortunately, with the rangefinder system, it is very difficult to judge lens coverage and it is therefore easy to crop your subject accidentally due to parallaxThe apparent difference in position of an object when seen from two different viewpoints.

optical finders

Point and shoot digicams allow you to preview the image on their rear LCDLiquid Crystal Display. Such displays on the back of a digital camera allow you to preview images. These usually use TFT technology. Also used to display info on film cameras. screen. However, you should check in your manual whether they give 100% coverage

There are also optical viewfinders available for 35mm point and shoot film cameras that slot onto the top of the camera and, being larger, aid viewing and composition.