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The last crucial choice you need to make in a digital camera is the viewfinder or other method of seeing what you re taking a picture of, such as an LCD display The cheapest cameras both film and digital have a separate optical viewfinder that only approximates what your lens is seeing It often shows less As you get closer to your subject matter, a phenomenon called parallax becomes more pronounced so that it s quite easy to chop off the head and the right arm of a person you re taking a picture of Most optical viewfinders have little lines visible at the top and side of the viewfinder You re supposed to use these to correct for parallax but, let s face it, this is not an ideal solution to the problem That leaves you with two other options: an LCD display or a through-the-lens (TTL) viewfinder Even cameras with a viewfinder are likely to have an LCD display It s a handy way to check the results of a picture you ve just taken and decide whether it s a keeper or deserves the delete button I find using the LCD to frame my subject matter unnatural That may come from years of using a 35mm viewfinder, but I suspect it really comes from the fact that you have to hold the camera away from your eye It becomes a separate object to manipulate instead of an extension of your own body It s particularly awkward if you wear bifocals; you ll quickly develop a literal pain in the neck from tilting back your head to see the display through the reading part of your glasses And be aware that LCD displays can be difficult to see in bright sunshine or at night If you think I m stacking the deck toward the TTL viewfinder, you re right There are many different ways of designing a TTL viewfinder One is to send the view the image sensor is capturing to a small LCD display built into a viewfinder you put to your eye as nature meant cameras to be used Other methods use mirrors or prisms to divert the focused image from the image sensor to a ground glass screen where you see the image through the viewfinder They all have the advantage that they eliminate parallax problems completely You re seeing what your camera sees Some throw in a digital display of shutter or aperture settings so you don t need to remove your eye from the viewfinder Pick a system that feels right for you, but if your budget allows, make it a through-the-lens viewfinder If you wear glasses, try for a camera that has a dioptric correction built into the viewfinder This lets you adjust the viewfinder s focus to compensate for your eyesight.

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Better Security Practices An SSL VPN also makes sure that end users are compliant with your organization s security policies through the use of endpoint security Those measures include

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Requiring antivirus software to be running Verifying that OS patches have been installed Checking to see if malware or bots are running The SSL VPN is a great security solution because it secures access to your applications in a simple, inexpensive, and efficient way And if you were so inclined, you can offer your employees more chance to telecommute

You have two basic choices for a light meter built into your digital camera The meter can be mounted beside the lens similar to an optical viewfinder or it can measure the light that is coming through the lens As with viewfinders, the type that sees through the lens is better, but, of course, more expensive Within TTL exposure systems, you ll find a complex variety of designs Some sample the light in the middle of the image on the assumption that that s where the most important part of the scene is This can be used in much the same way autofocusing lens are used You take a light reading of what you think is the most important part of the scene, have the camera remember that exposure reading, and then reframe your shot before fully depressing the shutter buttons Other exposure systems sample the light from as many as 45 different points and calculate the exposure best suited for the scene overall In scenes that have extremes of light or darkness, any of the systems may fail you Some cameras have controls that tell the exposure system to cheat one way or the other to say a scene is lighter or darker than it is overall If the camera or you guess wrong, you ll often be able to correct the exposure in your digital darkroom Automatic exposure is a good example of why you ideally want a camera that lets you override automatic operations Sometimes you know what you want to achieve is breaking the rules the camera has set up to make photography as carefree as possible

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