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Digital Cameras Bridge Guide

Posted by [email protected] on May 5, 2016 at 1:10 AM

Between compact and SLR

 

Halfway between compact and SLR cameras, both in terms of budget performance , bridges targeting a public amateurs . Affordable but quite bulky , they offer great freedom of settings and especially powerful zooms.

The bridge ( "Bridge" in English) is a kind of intermediary between compact and SLR camera. This positioning also places the competition with the two families, in terms of price as performance. An entry bridge is not worth not necessarily better than a high-end compact; first prize reflex, not necessarily more than a quality bridge. To describe in one word this ambivalent device, say that this is a robust digital camera (but bulky), with a powerful zoom (but an immovable object) and an electronic viewfinder ( reliable).

 

With their complete housing, bridges offer ergonomics beyond comparison with the compact. The grip is usually much better; fingers are positioned naturally and can operate without contortion and many different orders. Consideration of this comfort: the device is quite heavy and bulky. But this space is also justified by the wealth of settings and modes. The user has the hand in many settings: aperture, shutter speed, white balance, focus, etc. It can also hide behind an automatic mode if desired.

 

 

The bridge ( "Bridge" in English) is a kind of intermediary between compact and SLR camera. This positioning also places the competition with the two families, in terms of price as performance. An entry bridge is not worth not necessarily better than a high-end compact; first prize reflex, not necessarily more than a quality bridge. To describe in one word this ambivalent device, say that this is a robust digital camera (but bulky), with a powerful zoom (but an immovable object) and an electronic viewfinder ( reliable).

 

With their complete housing, bridges offer ergonomics beyond comparison with the compact. The grip is usually much better; fingers are positioned naturally and can operate without contortion and many different orders. Consideration of this comfort: the device is quite heavy and bulky. But this space is also justified by the wealth of settings and modes. The user has the hand in many settings: aperture, shutter speed, white balance, focus, etc. It can also hide behind an automatic mode if desired.

 

An immovable object

The objective contributes to the overall size of the apparatus. Its long focal ranges happily play in his favor. It is even one of the main advantages of this type of device: a bridge is very versatile, it can take photos of all types (family, large areas, groups, portraits, sports ...) with satisfactory quality. Attention however to the minimum focal length, which should be around 28 mm to provide a true wide angle (and thus permit to photograph a wide field, such as a landscape or a group of people in a small room where the photographer lack of perspective). Zoom, magnification, then intervenes. On a bridge, it can go up to 40 ×! Ideal for taking pictures from afar.

A bridge lens is designed to provide good performance over the entire length of the zoom range . One reason for this : it is not interchangeable . That is, with its viewfinder ( see box ) , which characterizes this type of device 1. The most demanding users will connect lens adapters ( between 50 and 400 € ) to stretch the bounds of the focal range in the two extremes. A "real" stabilizer, optical or mechanical (not digital, see box ) is essential to minimize blur , including maximum zoom.

Widescreen

Over the screen, the easier the shot. But beyond the size it must consider its resolution, contrast and its ability to limit the occurrence of glare. Furthermore, prefer the multi vertically and horizontally. So you can use in all circumstances.

 

A sensor to the height

The resolution of the sensor is no longer a decisive criterion of choice: she now reached sufficient levels largely for everyday use. The average is 12 to 18 Mpixels, allowing among others to print pictures without the problem at size 21 × 29.7 cm or larger in maximum quality or crop your photos from a computer if necessary.

 

Increased sensitivity

Look at the different values ​​that can be assigned to sensitivity. This determines the relative aperture / shutter speed for a given illumination; it is measured in ISO. The user can choose between different values: 100, 200, 400, 800 and up to 1600 in most cases. Some devices allow you to go into greater sensitivities (3200, ISO 6400 or more) for shooting in dark environments. But mistrust: the quality is rarely optimal, high sensitivities are highly generating "noise" that is to say of parasites affecting rendering. In photography, there was talk of "grain" to describe this phenomenon.

 

Useful features

Flash. It is useful to replace the built-in flash, generally less efficient (power, uniformity). Check in this case that the device is provided with a claw able to accommodate.

 

Burst mode. To take pictures of moving subjects at sporting events such as shooting multiple images at file automatically multiplies the chances of a successful shot. Burst mode is measured in frames per second, it is generally around 2 or 3. Some devices offer more up to 8 frames per second, but not in full resolution.

 

RAW format. Photographers will also enjoy record images in RAW, gross recording format that multiplies the possibilities of editing (white balance, exposure ...) before recording the snapshot in a readable format (eg .jpg) to exploitation. This method provides more flexibility in changing shooting settings, look better, and the ability to save the selected settings (on the computer) to apply to multiple images (batch processing). The consideration: RAW files are very large, which requires the use of high capacity memory cards.

 

Batteries or battery , choose

The battery supply limits the risk of ending up short of energy , especially on long trips , but it can be expensive to use. When the device is powered by a battery , a second copy can be useful not to run out . Allow between 30 and 85 € ( depending on the brand and model ) for a battery and so , almost, for an extra charger . Some bridges are supplied with a CR-V3 battery , which can be replaced by two LR6 batteries or rechargeable batteries .



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