Digital Cameras

Guide to Digital Cameras

Introduction

There are many different features to look at when choosing a digital camera and it can be very confusing choosing the digital camera best suited for your purposes. We will discuss the various features to help you decide what type of camera and what price range to go for.

Things to Consider

Price
Digital cameras are fantastic things to own, because they give instant results. There's no need to take that film to get processed and no waiting to see your results. Connect the camera to your computer or put the camera's memory card in your computer, download your pictures and see them instantly on the screen. Digital cameras give great picture quality, but the results you get depend on the features the camera has, and how much you are willing to pay for those features. Digital camera prices start at £30 to £40 for a very basic model, moving up to thousands of pounds for the latest digital SLR models.
Resolution
The resolution of a digital camera is the number of pixels (or dots) it can capture. More pixels mean better resolution and crisper sharper images. The more pixels that your camera supports, the higher the resolution and quality of photos that you can take. Images taken at higher resolutions will look much clearer and sharper when printed, and large prints will look better.
Viewfinder and Display
On a normal camera, you look through an optical viewfinder to see the picture you are going to take. Most digital Cameras these days have an LCD screen that will show you the image you are going to capture. This is the same type of digital technology found in flat panel displays. Many cameras rely purely on this screen for its viewfinder. The LCD provides much more than just a viewfinder. You can scroll through your images and delete ones you don't like. Some can display your shots as thumbnails too.
Focus
Most digital cameras are either fixed-focus or autofocus which is most suitable for the average user. Fixed-focus lens Cameras are great for landscapes because they will focus everything from a four foot distance and beyond, but they are not good for close up shots. Autofocus automatically brings whatever is in the middles of the viewfinder into focus. Some digital cameras allow you to set the focus point by pressing the shutter button half way down.
Memory
Most digital cameras support some type of removable memory card for storing your images. Some have a small amount of internal memory as well as the ability to use external memory cards. Obviously the size of the memory card determines the number of images that you can store on it. The resolution of the images also determines this - higher resolution pictures take up more memory. There are several different types of memory card available such as Compact Flash, SmartMedia, MMC and XD Picture card.
Batteries
Digital cameras are power hungry gadgets, especially when the LCD and flash are being used. Some cameras use four AA batteries but even the best alkaline batteries will go flat after quarter of an hour. It's therefore important to get a camera that will utilise rechargeable batteries. There are a few types of batteries available Nickel Cadmium (NiCad), Nickel-Metal Hydride (NiMH) and Lithium-ion (Li-ion or LiOn). The two Nickel based batteries are a lot cheaper than Lithium ones, but they lose their charge faster when not in use. The most widely used rechargeables are NiCad but they progressively hold less charge as they age. NiMH batteries don't suffer from this problem and also last about 30% longer on a charge. Lithium batteries last twice as long on a charge as NiMH batteries, don't have memory effects and don't lose their charge as quickly when not being used. Both NiMH and LiOn batteries last for around 400 recharge cycles.
Interface
The type of interface on your camera is important. Most digital cameras come with a USB interface so you can connect them direct to the USB port on your PC. Some cameras have firewire interfaces which are even faster than USB. One quick way of transferring images to your PC from your camera is to use a card reader in your PC. That way you simply take the memory card out of your camera, put it in the card reader and transfer the pictures from the card to your PC
Zoom
It's important to understand the difference between the two types of zoom when choosing a digital camera. These are optical and digital. The difference between the two is that optical zoom is a true zoom so the camera's lens actually moves forwards and back, changing the magnification of the shot while the resolution stays the same - like altering the magnification in a pair of binoculars. Digital zoom is achieved through the camera's software. When digital zoom is used the camera takes a picture then digitally crops it. This results in lower image quality because the resolution is reduced. Optical zoom is better than digital zoom so if you want to be able too zoom in without loss of image quality, go for a camera with a high optical zoom. most cameras have a certain level of optical zoom complimented by some level of digital zoom.

Canon EOS400 Twin Kit 18-55 and 55-200 Digital Camera

Quickfind: 66181499

Canon EOS400 Twin Kit 18-55 and 55-200 Digital Camera
£640.32
(Inc. Delivery & VAT)
Delivery: In Stock ( 2 - 5 Working Days )

Warranties: 3yr £86.24 & 5yr £142.49

Features
Effective Pixel (in Megapixel): 10.1Digital Zoom (Ratio): 1LCD Monitor Size in Inch: 2.5
Memory Type: Internal + ExternalMovie / Voice Recording: NoImage Stabiliser: No
SLR / Compact: SLRMaximum Pixel (in Megapixel): 10.5Chip Type: CMOS
Sensor Size: 22.2 x 14.8 mmZoom Type: Not ApplicableChangeable Lens: Yes
Autofocus: YesRange Finder Type: Optical / Electronic Viewfinder + LCDLCD Monitor Resolution in Pixel: 230000
Built-in Flash: YesBluetooth: NoPictBridge: Yes
WiFi Connectivity: NoCompact Flash Card: YesMultimedia Card: No
Reduced Size Multimedia Card: NoSmart Media Card: NoXD Card: No
Secure Digital Card: NoMini Secure Digital Card: NoSecure Digital High Capacity Card (SDHC): No
Micro Drive: YesMemory Stick / Memory Stick Pro: NoMemory Stick Duo / Duo Pro: No
microSD/ TransFlash Card: NoSerial Shot Mode: YesRAW Format: Yes
Weight in Grams: 510Photo Resolution Width in Pixel: 3888Battery Type: Canon NB-2LH
Longest Shutter Speed in s: 30sShortest Shutter Speed in s: 1/4000sPhoto Resolution Height in Pixel: 2592
Depth in mm: 65Height in mm: 94.2Width in mm: 126.5

Fuji Z10 Hot Pink Digital Camera

Quickfind: 66257127

Fuji Z10 Hot Pink Digital Camera
£98.14
(Inc. Delivery & VAT)
Delivery: In Stock ( 2 - 5 Working Days )

Warranties: 3yr £33.74 & 5yr £52.49

Features
Effective Pixel (in Megapixel): 7Optical Zoom (Ratio): 3Digital Zoom (Ratio): 5
LCD Monitor Size in Inch: 2.5Memory Type: Internal + ExternalMovie / Voice Recording: Movie + Voice
Image Stabiliser: YesSize of Internal Memory in MB: 54SLR / Compact: Compact
Maximum Pixel (in Megapixel): 7.2Chip Type: CCDSensor Size: 1/2.5''
Zoom Type: Optical + DigitalLowest Focal Length in mm: 38Highest Focal Length in mm: 114
Changeable Lens: NoAutofocus: YesRange Finder Type: LCD Monitor
LCD Monitor Resolution in Pixel: 150000Built-in Flash: YesBluetooth: No
PictBridge: NoWiFi Connectivity: YesCompact Flash Card: No
Multimedia Card: NoReduced Size Multimedia Card: NoSmart Media Card: No
XD Card: YesSecure Digital Card: YesMini Secure Digital Card: No
Secure Digital High Capacity Card (SDHC): YesMicro Drive: NoMemory Stick / Memory Stick Pro: No
Memory Stick Duo / Duo Pro: NomicroSD/ TransFlash Card: NoSerial Shot Mode: Yes
RAW Format: NoMaximum Aperture Wide: 3.7Maximum Aperture Tele: 4.2
Weight in Grams: 110Photo Resolution Width in Pixel: 3072Video Resolution Heigth in Pixel: 480
Video Resolution Width in Pixel: 640Battery Type: Fujifilm NP-45Longest Shutter Speed in s: 3s
Shortest Shutter Speed in s: 1/1000sPhoto Resolution Height in Pixel: 2304Depth in mm: 18.8
Height in mm: 56.6Width in mm: 91.2 

Olympus E410 SLR Twin Digital Camera

Quickfind: 66867091

Olympus E410 SLR Twin Digital Camera
£470.77
(Inc. Delivery & VAT)
Delivery: In Stock ( 2 - 5 Working Days )

Warranties: 3yr £78.74 & 5yr £112.49

Features
Effective Pixel (in Megapixel): 10Digital Zoom (Ratio): 1LCD Monitor Size in Inch: 2.5
Memory Type: Internal + ExternalMovie / Voice Recording: NoImage Stabiliser: No
SLR / Compact: SLRMaximum Pixel (in Megapixel): 10.9Chip Type: Live MOS
Sensor Size: 4/3''Zoom Type: Not ApplicableChangeable Lens: Yes
Autofocus: YesRange Finder Type: Optical / Electronic Viewfinder + LCDLCD Monitor Resolution in Pixel: 230000
Built-in Flash: YesMP3 Playback: NoBluetooth: No
PictBridge: YesWiFi Connectivity: NoCompact Flash Card: Yes
Multimedia Card: NoReduced Size Multimedia Card: NoSmart Media Card: No
XD Card: YesSecure Digital Card: NoMini Secure Digital Card: No
Secure Digital High Capacity Card (SDHC): NoMicro Drive: YesMemory Stick / Memory Stick Pro: No
Memory Stick Duo / Duo Pro: NomicroSD/ TransFlash Card: NoSerial Shot Mode: Yes
RAW Format: YesWeight in Grams: 375Photo Resolution Width in Pixel: 3648
Longest Shutter Speed in s: 60sShortest Shutter Speed in s: 1/4000sPhoto Resolution Height in Pixel: 2736
Depth in mm: 53Height in mm: 91Width in mm: 129.5


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