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The term blue hour (from the Spanish “La hora Azul” or from the French “L'Heure Bleue”) is a moment immediately before sunrise or immediately after sunset. Blue hour is most commonly known for its romantic connotations and the exceptional visual quality it brings to dramatic scenes in film and photography.


This is the instant when the sky has a predominant deep blue tint and the light is soft enough to emphasize the darkest areas of the scene, without requiring additional light sources. This is due to Rayleigh scattering, which is the scattering (or scattering) of light by particles smaller than the wavelength of visible light and buy commercial images. This is the same process that makes the sky blue.

When the sun reaches six degrees below the horizon, it no longer illuminates the ground directly, but the stratosphere. This is the civil twilight. During this time, red light, which has a longer wavelength than blue light, passes through the atmosphere into space and buy stock images, while blue light scatters diffuse.

In the morning, the blue hour occurs just before the golden hour at the beginning of civil twilight, which occurs 30 minutes before sunrise. In the evening, the blue hour occurs at the end of civil twilight, immediately after the golden hour, which begins approximately 10 to 15 minutes after sunset.


Photographing in the blue hour is an easy genre to master, as you usually don't need to worry about bright lighting or shadows in your shots. Landscapes, cityscapes, and portraits are photographic genres that are best rendered during the blue hour and to buy commercial images, as the dim light that filters through the clouds can create an ethereal atmosphere in the scenes and buy stock images.


If you're new to blue hour photography, here are some tips to get you started:

• Since blue hour depends on your geographic location, remember to check your local sunrise and sunset times.

• Plan and reach the station in advance. You should give yourself enough time to set up your equipment.

• Mount the camera on a tripod for stability and to compose the image with the skyline as a background.

• Keep the ISO value as low as possible so that you can reduce grain and noise in the image.

• During the blue hour, you will need to use slower shutter speed for the image to be properly exposed. Shooting in Shutter Priority or Manual mode, or the like, allows you to manually select the shutter speed.

• To get a clear picture, use a remote control or enable the camera timer. In some cases, pressing the shutter button can cause unintended camera shake, resulting in a blurry shot and buy commercial images.

• Take a few test shots and always check the histogram to make sure you don't have exaggerated highlights or unnecessary shadows.

If you're using a DSLR camera to capture shots, try experimenting with High Dynamic Range (HDR) photography and buy stock images. An HDR image consists of a number of shots captured at different exposure levels and then merged together in post-production. Some Nikon DSLR cameras have HDR mode functionality built-in, where multiple exposures of a scene is captured and combined in the camera to form an HDR photo.


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