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Posts Tagged ‘Cameras’

External flashes, or accessory flashes, have several benefits over built-in, pop-up flashes seen on most cameras today. Here is a summary:Flash HeadsWhen it comes to physically setting up an external flash, most come with swivel and bounce heads, to allow more realistic and softer lighting effects by bouncing light from a white card or reflector above or to the side of the subject. These are things that a pop-up flash cannot do.Zoom heads on external flashes allow for coverage adjustment when the flash is used in conjunction with a wide-angle or telephoto lens. The path of light covered by the flash will be modified to suit the angle of coverage by the lens. Ring flashes are a particular type of external flash that forms a ring around the barrel of the lens - they are best suited to macro or portrait photography where large lenses can get in the way of pop-up flashes and cause a shadow.Bulb PowerExternal flashes have much more power than built-in flashes. Think of how many times it took you to learn that your built-in flash's light fell short of the intended subject and lit only the near objects in your scene.Metering with FlashModern external flashes .. more »

Buying new equipment of any sort has never been one of my favourite activities. Equipment is expensive, and there always seems to be add on accessories that need to be purchased as well.Once you have made the purchase it is necessary to learn how to use it, all very time and energy consuming! It is because of this that you should always do your homework before buying anything. Do not just rush out and buy what some slick sales person or ad recommends.Read this article a few times and make sure you understand the underlying points of advice I give. Then make your decision on which flash unit to purchase, or whether to purchase one at all! The first step in buying a new flash unit should be to thoroughly evaluate your needs. You would be surprised at how few people actually do this!What type of photography do you do? Is it for one specific camera or do you intend to use it with a variety of cameras? Do you require any special features? Do you want automation? Do you require manual over-ride? How much power do you need? Will you have need for one with a swivel head?When it .. more »

Flash memory comes in two main forms:1. Flash Cards which are generally used for devices like cameras & mobile phones. Card types are as follows:- CompactFlash (CF-I) - Memory Stick - MultiMediaCard (MMC) - Secure Digital card (SD) - MiniSD Card - SmartMedia - xD-Picture Card (xD)2. USB Flash Drives which can be used to store data from PC & Mac's in a very portable format and are connected to the USB port. Typical sizes these day are 512MB, 1GB, 2GB, 4GB, 8Gb, 16GB, 32GB & 64GBHard Drives fitted externally are generally connected by either USB or Network connection. These drives are good for storing large amounts of data and/or backing up data, which is a vital consideration these days as most of us have a collection of documents, pictures, music and video that we don't want to lose.To simplify the backup process, it's best to use backup software. There are many options free and paid for available, but my preference is Cobian Backup. Version 10 is now available, which can copy open files. A handy feature which allows backup of files you are using at the time of the backup.Typical USB External Hard Drive sizes are 160GB, 320GB, 500GB, .. more »