Nikon D90 DX 12.3MP Digital SLR Camera
Oct 31, 2008 Digital Cameras
Nikon D90 DX 12.3MP Digital SLR Camera . Fusing 12.3-megapixel image quality inherited from the award-winning D300 with groundbreaking features, the D90’s breathtaking, low-noise image quality is further advanced with EXPEED image processing. Split-second shutter response and continuous shooting at up to 4.5 frames-per-second provide the power to capture fast action and precise moments perfectly, while Nikon’s exclusive Scene Recognition System contributes to faster 11-area autofocus performance, finer white balance detection and more. The D90 delivers the control passionate photographers demand, utilizing comprehensive exposure functions and the intelligence of 3D Color Matrix Metering II. Stunning results come to life on a 3-inch 920,000-dot color LCD monitor, providing accurate image review, Live View composition and brilliant playback of the D90’s cinematic-quality 24-fps HD D-Movie mode.
Nikon Digital SLR image quality
Exceptional image quality is a prerequisite for all Nikon D-SLRs, and the D90, featuring a new 12.3-megapixel DX-format CMOS sensor, fulfills that essential performance requirement with ease. Borrowing a host of technologies, including low-noise, high ISO performance, from the award-winning D300, the D90 will change the notion of what‘s expected from an enthusiast D-SLR. See detail and Buy at Amazon.com
Tags: Digital Camera, Nikon
PRIVACY POLICY
Oct 23, 2008 Miscellaneous
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Cookies
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Tags: privacy policy
Photography Basics - Introduction and Composition
Oct 20, 2008 Photography
If you are going to step into photography there are a few basic things you need to keep in mind. It is not necessary to purchase a thousand dollar camera with a reflexive lens and telescopic attachments, nor is it advised. Learning and applying basic photography skills is more important than having great equipment. If you learn to create great photos with ordinary equipment then you will be able to make extraordinary photos when your skills have advanced and you finally get great equipment.
There are a few things you want to keep in mind when you are taking pictures. Composition, lighting, exposure, and depth of field are all things you want to pay attention to. Once you start paying attention to these things you will begin to see that taking pictures is more important than just pointing and shooting. Here we will think about composition.
When you are about to take a picture, before you even lift your camera, think of how everything will be arranged on the photo. This arrangement is what makes up the composition. The arrangement of objects in a photo directs the viewer’s eye movement. You might want an object in the foreground to frame the subject such as with a person standing in the middle of a window frame. Maybe you will notice a row of people sorted by height that will cause the viewer to sweep their eyes across the picture. Curves, focus points, and gradation are just a few possible arrangements you can search for or create when taking a photo.
Composition makes the photo more interesting and places objects in an orderly way. If you point and shoot without thinking of how everything will be placed in your shot, you may end up with a photo that is not to your liking. Start taking shapes and placement into account and you will begin to see your photos come to life. As you get better you may even find a style you like that “lacks” composition.
Tags: Composition, Photography
Aerial Photography and the Weather
Oct 20, 2008 Photography
It doesn’t matter if the aircraft concerned is a helicopter or a high winged light aircraft. Strong winds or gusts may put the aircraft outside its operating limits and therefore make it unsafe to fly. In the UK this situation is not uncommon but its chances of occurring can be minimised if the aircraft is located at an airfield with many runways in different directions. This allows the pilot to minimise the crosswind component and take advantage of a head wind on takeoff and landing.
Once the aircraft is in the air the weather can pose a whole new range of problems for the photographer. The main problems that may be encountered while undertaking aerial photography and Aerial Event Photography include:
* Low cloud, mist and fog.
This causes the obvious problem of being unable to see the ground and the features which you are trying to photograph. This is likely to cause problems for nearly all forms of aerial photography.
* High cloud, poor light.
This situation is common throughout the UK and although it restricts some aerial photographic operations its affect on others are small. For example Survey Photography undertaken for the purposes of monitoring traffic or pipeline work may be able to operate in these conditions. However, Oblique Aerial Photography undertaken for marketing purposes would probably not be undertaken in these conditions. This is mainly due to the cloud shadows which would make the images unattractive and give a mottled effect.
* Haze, poor horizontal visibility
Haze is one of the biggest problems for Oblique Aerial Photography because it can reduce visibility down to several kilometres when the sky is clear and the weather looks spectacular from the ground.
* High winds.
High winds can make it very difficult to position the aircraft at a site. This is especially true when a specific view is required or while photographing position sensitive sites such as Horse Racing Event Photography. During this form of Event Aerial Photography it is very important not to go over the race course while the horses are out and if the wind requires the aircraft to ‘crap’ along the course it may not be possible to get the shots required.
It is obvious the weather has a major influence on commercial aerial photography and must be monitored closely to take advantages of the right conditions.
Tags: Aerial Photography, Photography, weather
Get a Digital Camcorder With an Internal Hard Drive
Oct 20, 2008 Photography
Time for a new camcorder? With technology advancing every day, it seems as though our newest toys become outdated as soon as we leave the store. Long gone are the large tapes and small tapes are difficult to find. Within the past several years, it became popular to record straight to DVD. While these are still popular, real popularity is coming in the form of a camcorder with a hard drive.
A camcorder with a hard drive seems like the easiest to use camcorder ever designed. There is no fussing with tapes or DVD’s. You never have to worry about whether you have an empty tape or worry about switching tapes when the first runs out. On the flip side, you do need to make sure that you regularly empty the hard drive. This is easily done. Most of these camcorders will plug directly into your computer. Others can be saved to a memory card or USB device. Overall, this really is more convenient and less expensive in the long run.
The biggest draw to the hard drive based camcorder is the ability to instantly save it to your computer. From there, you can edit your footage and create a more professional looking home movie. No longer will you have to suffer through those awkward moments when the camcorder was strategically placed staring at your left foot. Instead, you can cut that out and use a fancy fade into the next scene!
In addition to being able to cut and paste your own raw footage, you can share that footage and the completed video directly through your computer. Any of your friends, relatives, or perfect strangers on YouTube will be able to view your home video quickly thanks to the hard drive capability.
When you are on the lookout for the right hard drive based camcorder, it is important to look at recording time capability. Many of the more moderately priced camcorders can record six to eight hours. Some relatively inexpensive versions will only record half an hour to an hour. This may be perfectly sufficient for your home movies while others will need the longer recording time.
In addition to the hard drive, these camcorders come with a bevy of extras that will help you to create those more professional and finished looking home movies. Read the instructions carefully and soon you will be able to maneuver manual lighting, zoom, and special effects. You will feel like a real movie director!
As technology has advanced, it has also made devices such as these camcorders much smaller than their older counterparts. This is perfect for traveling and even carrying the camcorder around in your pocket. Now you will have no excuse to miss all of the adorable moves that your child makes throughout the day.
If you are serious about preserving your memories, then a hard drive recordable camcorder is the best option available.
Tags: Camcorder, Photography
Thermal Cameras
Oct 20, 2008 Photography
Thermal cameras are devices that form images using infrared radiation which is like a common camera that forms an image using visible light. Thermal cameras are also known as FLIR (Forward Looking InfraRed) or an infrared camera. These cameras operate in wavelengths of about 14,000 nm (14 µm) instead of the 450–750 nanometer range of the visible light camera. Thermal cameras are being increasingly used in applications such as border security, high value site protection, industrial security, perimeter security, force protection, coastal surveillance, deployable security, asset surveillance, port security, airport security and urban surveillance. A thermal camera converts the thermal energy emitted from a body into a visible image. This image is then represented as a thermograph that is a picture of heat.
Thermal cameras are much more expensive than the visible-spectrum cameras. It is the process of capturing the heat from an object, which is undetectable to the human eye, and converting it into an image that can be observed. This process does not require any light and can function perfectly even if the surrounding lighting conditions is bright or dim. These cameras provide added vision within the infrared spectrum which in turn broadens the vision of objects viewed. In other words, thermal cameras help in seeing the difference in thermal temperature of objects viewed. Thermal cameras help in detecting and interpreting emissions and also provide users with images, even in conditions of low-visibility or complete darkness.
There are two basic types of thermal cameras viz; Un-cooled and Cryogenically cooled. In the former type, the infrared-detector elements are equipped in a unit that operates at room temperature. This type of a camera does not make any noise, activates immediately and has an in-built battery. The Cryogenically cooled type of thermal camera are more expensive and more liable to damage from rough use. It has the elements contained inside a container that cools them to below 32 F (zero C). Its incredible resolution and sensitivity help in viewing a difference as small as 0.2 F (0.1 C) from more than 1,000 ft (300 m) away, which is sufficient to tell whether a person is holding a gun at such a huge distance!
Tags: camera, Photography
