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  • Better Photos Blog 2:02 pm on April 11, 2010 Permalink
    Tags: 'shutter speed', , , photographing waterfalls, , polarising filters   

    Photographing Waterfalls 

    How to Photograph Waterfalls

    Photographing Waterfalls by Better Photos

    Waterfall and Oak Leaf

    Here are some tips to get you taking better photographs of waterfalls:

    1) Use a tripod.

    2) Use a slow shutter speed (of between 2 and 25 seconds) to get the water looking silky-smooth.

    3) Photograph waterfalls in the low-light of early morning or evening to ensure you can set a sufficiently slow shutter speed.

    4) Use a polarising filter. It will slow down your shutter speed, remove glare and saturate colours.

    5) Check your camera’s LCD after taking each photograph to ensure that the water’s highlights are not ‘blown out’. (Set your highlight alert warning in your camera menu – and blown out highlights will appear as a blinking warning on your LCD). Reduce your EV (see earlier post) until the ‘blinkies’ stop.

    Waterfall and Oak Leaf

    Photo Info: Aperture F20, Shutter speed 20 seconds, ISO 100, Lens focal length 28mm, polarising filter.

    Want to learn how to photograph waterfalls?

    Better Photos runs Waterfalls for Beginners courses in the Lake District (UK).

  • Better Photos Blog 4:16 pm on April 1, 2010 Permalink
    Tags: 'ISO settings', 'shutter speed', avoiding camera shake, iso, setting ISO   

    ISO – Digital Camera Settings 

    …or, ISO Need a Faster Shutter Speed

    Camera ISO settings

    Setting your camera's ISO

    Relationship between ISO and Shutter Speed

    At any given aperture you can raise your shutter speed by increasing your digital camera’s ISO setting. Doubling your ISO number doubles the speed of your shutter.

    Why would you want to do this?

    This is handy when you are in low light conditions and want to capture sharp images but you don’t have a tripod, or you are already at your widest aperture (at a set ISO) and want an even faster shutter speed to ‘freeze’ fast moving subjects. High ISO settings also enable you to capture images in low light conditions, such as concerts, where the subjects are beyond the range of your flash.

    ISO Settings

    You’ll find your ISO setting in your camera’s menu and/or as a dial on your camera body. There is also an Auto ISO setting which makes your camera flex its ISO settings according to the lighting conditions and aperture combination. Some Auto ISO settings have a limit of 400 or 800 ISO and these are often not high enough for low-light photography, so you’ll need to set your ISO manually.

    ISO settings and Image Quality

    Beware: There is a downside to raising your camera’s ISO – a reduction in image quality. Images at higher ISO settings contain more ‘grain’. The higher the ISO, the grainier the image. (The issue is less apparent when using new pro and semi-pro cameras, where ISO settings can be increased substantially with marginal loss of quality, but it still occurs).

    Your lowest ISO setting produces the highest quality image.

    Your ISO Settings Stay Set

    Remember: Your camera’s ISO setting stays set, even when you switch off your camera. It’s good practice to reset your camera’s ISO to it’s minimum when you finish taking photographs.This makes sure that you have the highest quality settings for your next shoot, or trip.

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