When buying digital cameras such as Sony digital cameras, Olympus Digital cameras, Nikon Digital cameras and Canon digital cameras, you should consider the following questions:
How important is the resolution?
Resolution determines the number of pixels or the picture elements in the digital photo or image. Large resolutions need more storage space and downloading time if you are planning on sending photos via email. Fortunately, there are digital cameras such as Sony digital cameras, Canon digital cameras and Olympus Digital cameras that allow you to select from a variety of image resolution from 1 to 2 megapixels without losing photo details
What is an optical zoom and digital zoom?
Optical zoom measures the actual magnification capabilities of digital camera lenses. 3X optical zoom lens is the minimum zoom measurement of Sony digital cameras and Nikon digital cameras, which magnifies the image by three times. Digital zoom magnifies the image after it is shot. If you are shooting at a high resolution, digital zoom is more effective. However, when buying a digital camera the most important factor to consider is the optical zoom measurement.
Why are response times important?
Response times measure the digital camera‘s ability to react quickly to your commands. Is the camera ready to shoot when you press the power button? Does the camera suffer from shutter lag when you press the shutter button? Digital cameras tend to have low response times in low-light situations or when the zoom lens is fully extended. So, if you buy a digital camera, make sure you select a camera with good response times in those areas.
Is the digital camera user-friendly?
Admit it, when you buy digital cameras especially the compact models such as Sony Digital cameras, Canon digital cameras, Nikon digital cameras and Olympus digital cameras, you tend to focus on the specifications and how stylish the camera looks. It is also important to know if the camera controls work for you and are comfortable to use.
Most importantly, online shopping for digital cameras at online shops is the best way to find the right camera for your picture-taking needs. You can also find a variety of digital cameras at discount prices of up to 80% off their retail price at Topbuy Australia. You can visit the store at http://www.topbuy.com.au/ and find out hundreds of digital cameras on sale and bargain prices today!
Often it is not possible to capture the beauty of underwater life with normal camera, but thanks to underwater digital camera, now you can explore the marine life. An underwater camera is a special designed digital camera used for still and video photography to capture the amazing flora and fauna of marine life.
You can capture the still images of sea life or can shoot while scuba diving. Safely protected with waterproof casing, these digital cameras are designed to be fully submerged underwater and withstand any surrounding pressure. The smaller models of underwater cameras are normally ideal for up to two hundred feet to four hundred feet while the bigger digital cameras are made for deeper water regions.
As compared to film-based underwater cameras, the underwater digital cameras are much better since they don`t run out of film. Yon can also delete any bad shots or change to a lower resolution picture mode in low-light conditions. No more fuzzy backgrounds and edges as seen in film underwater cameras, with their wide-angle photography, underwater digital cameras delivers sharper images.
Available in all sizes, shapes and film format, many underwater digital cameras also come with viewfinder feature which helps in picture adjustment for photography. With some nice prints, the underground digital camera produces better images which are really helpful for amateur photographers.
However the underwater digital camera is not only meant for deep-sea divers. Many underwater digital cameras available today can also be used to take quality pictures on dry land in harsh climatic conditions like snowfall and severe rains. Adorned with multi-flash function, color correction filter and macro lens, the underwater digital camera offers superb image quality. Just like normal digital camera, this underwater digital camera also comes with 15MB of sufficient memory along with the storage, editing and manipulation software.
If you wonder which model of underwater digital camera to choose, what features to consider, then here is a briefly discussed guide on the features of some prominent underwater digital camera models.
Panasonic SDR-SW20:
This compact model is for those who want an easy-to-use and lightweight underwater digital camera. With 10x optical zoom and MPEG-2 format up to 10 Mbps, this is one of the best digital cameras available for video recording. However, with only 0.3MP 640x480 still imaging capability, the still imaging options are basically non-existent in this new model.
Pentax Optio W30:
One of the pioneers in underwater digital camera market, the current Optio W30 comes with 7MP with ISO1600 and 3x optical zoom image recording feature. Supported by both SD and SDHC, Videos in this underwater digital camera is of 640x480 in MOV QuickTime MJPEG format.
Sanyo Xacti VPC-E1:
This is the one of the best designed underwater digital cameras for up to 5feet depth of water. With 4GB card, and MPEG-4 AVC/H.264 at 640x480 powers, the Xacti E1 allows shooting with an approximate record time of over 5 hours. For still images, this digital camera offers a solid 5x optical zoom with a 6MP CCD at up to ISO1600 power. One special key feature of this underwater digital camera is the flip out view screen which saves you from the risk of bumping in with underwater objects while swimming around.
Olympus SW series:
At 10 Megapixels, ISO1600, and a 3.6x optical zoom feature, Olympus may also be one of the most well rounded underwater digital cameras. With an underwater depth up to 6.6 feet, this is the deepest water digital camera on the list.
Intova IC-700 7.0MP digital camera with underwater housing:
Available in an affordable price of around $300, this underwater digital camera features 7 megapixels, macro mode and an in-built flash that can reach up to five feet underwater.
Amazon.com Review
A digital camera is functionally identical to a traditional film camera in all respects except image storage, right? Not at all, and Mikkel Aaland shows exactly why in his excellent Shooting Digital. He shows why digital cameras--the point-and-shoot variety as well as fancier models meant for professional photographers--are overall neither better nor worse than cameras of older design, and goes on to show you how to take advantage of their special traits. He shows (more...)