Long Exposure

Long exposure is a photographic technique used to capture images with the shutter opens for an extended period of time, so that the camera can sharply capture the stationary elements of images while blurring. Most light painting photography can be described as long exposure photography and also known as slow shutter and open shutter photography.

There is a couple of accessories you need to have to shoot long exposure images

• Tripod
• A tripod is vey important when shooting long exposure because your hand is unable to keep the camera steady; every tiny movement can  destroy the image that you want to capture.
• Remote
• The function of a remote is to keep your hand off the camera, when you press the capture button, your hand will mame the camera moving
• Neutral density filter (for capture long exposure image in day light)
• This is necessary when people want to shoot long exposure in day light. Without the filter, the image will be over bright because  a lot of light will come to the censor when the shutter opens for a long period. The filter will help to reduce the light.
• Timer
• Set the for your exposure, so you dont have to wait there and count for it.

For the camera setting

• Lowest ISO
• F stop at 11 or higher

and this is my photo, first practise

At Port Credit, Mississauga, Nikon D90 ISO 200 f11 25sec

click here to check out some stunning examples

Double exposure, multiple exposure

Double exposure or multiple exposure is a technique in photography that combines two different images into one single image; this technique originally come from analog camera when photographers take two different images under one long exposure. Due to the growing of photoshop, people now can easily combine two images on their computer to create the identical effect.

Image source: by Brian Auer

Beside the photoshop, many camera producers have apply functions that allow photographers combine images on their DSLR camera, and it benefits users to combine more than two images by taking images one by one, then the camera will work itself to create the image.This is a difficult technique, a skillful photographer will create artistic effects with their manipulation.

I took this by my camera, Nikon D90

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