Showing posts with label DSLR. Show all posts
Showing posts with label DSLR. Show all posts

August 7, 2014

Understanding Camera Lenses

There is a variety of different types of camera lenses that can add that creative twist and varying perspective to your photography. The advantage of a SLR or DSLR camera is the ability to switch between those lenses to suit your changing needs. There are countless choices available to photographers in the market today and we’ll discuss the basics of interchangeable camera lenses in this article.

Telephoto lens – This type of lens is often called long lens, simply because they are long and provide longer than normal focal lengths. The lens magnifies the subject, bringing it closer than normal lenses can, making it useful and suitable for times when you can’t or won’t get close to your subject.

Nikon 55-300mm f/4.5-5.6G ED VR AF-S DX Nikkor Zoom Lens for Nikon Digital SLR

This type of lens is ideal for use in sports and wildlife photography where distance needs to kept from the subject. However, just as telephoto lenses magnify the subject, it magnifies movement too. A tripod becomes necessary to hold the camera along with the long lens in order to achieve sharp photos.

Wide-angle lens – Sometimes called a short lenses due to the shorter than normal focal lengths, they allow you to take photos in a dramatic wide view. The lens captures a panoramic view of the scene and is often used in landscape, interior, street and architectural photography.

Zoom lens – Unlike telephoto and wide-angle lenses, the focal length can be adjusted, making it a convenient all-in-one lens to carry around. It has the ability to change from wide-angle to normal and normal to zoom, and in effect change the focal length, depth of field and image size. Zoom lenses can be heavy though, as it requires additional glass layers to help focus the light at various focal lengths.

Prime lens – These are the opposite of zoom lenses. They are fixed in focal length but have wider apertures to capture better images in low light applications. Many photographers use a prime lens for portraiture type of photography.

Macro lens – Macros are essentially the same as normal lenses except for its ability to focus in much closer to the subject. The image size is often as large as or larger than the original subject. They are often used in close up situations such as with insects and dew drops.

Fish-eye lens – These lenses offer an artistic view of the subject by creating a magnified wide-angle effect with a centre that diminishes in size and clarity. This type of lens more than often provides a 180 degree view but there are some that provide as much as 220 degrees in view. The resulting image often looks like the image one sees when looking through a door peephole.

Tilt shift lens – Now here is a rather complex lens that offers the photographer finer mechanical controls. With the shift movement, you can move the depth of field to the left and right, altering the image’s centre of perspective. The tilt movement allows you to shift the focus up and down so that it moves away from being perpendicular. The tilt and shift movements result in a wedge-shaped and cropped wide-angle image, often seen in architectural photography. Tilt shift lenses are also often used in miniature faking applications.

Choosing the right camera lens for any given application requires both knowledge and experience. The specific effect that you’re after, composition and subject matter also determine the right choice. The good thing is that each type of lens is removable and interchangeable, making it simple to switch as your circumstances change.

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August 16, 2013

Canon EOS 100D The Cool Little


Canon EOS 100D The Cool Little
Canon EOS 100D The Cool Little
Key Specifications EOS 100D:

- APS-C CMOS Sensor 18MP
- Digic 5 Image Processor
- Weight 370g, 116.8 mm long, 90.7 mm high and 69.4 mm wide
- Hybrid CMOS AF II new
- 4fps continuous shooting
- Special Scene Modes
- ISO 100-12800
- Video recording 1080p30
- 3-inch LCD with touch-screen technology


Canon EOS 100D is claimed as the smallest and lightest DSLR in the world. Although relatively small and intended for beginners, but its true quality is quite satisfactory.

Carrying the weight of only 370 grams, 116.8 mm long, 90.7 mm high and 69.4 mm wide, this camera is designed for the woman or the children who have small hands.

The size is larger than the EOS M but claimed 25% smaller than the EOS 700D.

Grip is made ​​of rubber is quite comfortable, but once again, for those who have large hands, the grip feels less likely mantab.

At the top of the body there is a mode dial, ISO button, the on / off and hot shoe. Looking at the back there is a 3 inch screen touch screen technology, and a few key settings, including the Q button for instant access to the menus. In layout, the placement of the buttons is not confusing settings.

Features

Accommodate beginners or users who do not want to be bothered with the various settings. Canon here have provided different shooting scenes. There is a scene Kids, Food, Handheld Night Scene and HDR backlight control.

There is a range of creative filters that toy camera, fish-eye, miniature, etc.. Well, the fun when using this filter, the camera will automatically take two photos, one image and only the results of the use of the filter is the original version.

If you want to omit certain parts of the photo? Another interesting feature that may be useful for some users is the cropping feature. If you usually take action if the software is in the photo, then in this series users can already do it with ease directly in the camera.

"All the features to accommodate the novice photographer"

Performance

EOS 100D carries the APS-C sensor, Digic 5 processor and ISO 100-12800 it produces sharp photos with detail is maintained. New noise started intrudes upon use ISO 1600.

Canon provides high resolution LCD is the 1.04 million dots to preview images or framing. This LCD is equipped with a touch screen is quite responsive.

This touch screen serves as a determinant of focus and shutter. This technology also supports pinch action to zoom and swipe, like the screen in a tablet PC or smartphone.

How to autofocusnya? Canon EOS 100D has a Hybrid CMOS AF II and 9-point AF. There was no significant problems in determining the focus when shooting. The camera can lock focus quickly, including use as live view, though admittedly, the pace slowed down in low lighting conditions.

Speed ​​camera was also felt during start up or push button Live Button only about 1 second. The battery has a durability of approximately 340 shots for the use of the optical viewfinder.


Conclusion:

Overall, for a beginner this camera offers good performance. Due to its compact size and light weight for the size DSLR, this series is suitable for the frequently traveling without a body want to be bothered with the device is too big.

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