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We can define photography in to two categories, the first is chemical and the second is Digital. The difference between the two is simply in the way that we produce the photo, in the chemical process the photo is taken on to light sensitive film which in turn is chemically processed to produce a photographic image.

In the digital format the picture is taken using a multitude of light sensitive pixels that register the intestacy of light and store the image digitally on to digital storage media much like your computer and in reality a digital camera is nothing more than a purpose built computer, the purpose being to capture photographic images.

Typically the greatest feature of digital photography is the fact that you do not need to wait for your photographs, you can see those seconds after taking them, and if you don't like what you see you simply delete it and take another picture until you are happy, and we can do this free of charge.  

Additionally, having the ability to take multiple photos and store them for printing or processing at a later date means we only have to print the images you need for specific reasons and the rest are just left in storage until you need them aging in the future.  

More and more people are buying a digital camera due to the great features available. The drive to go digital is because of the capability of being able to manipulate you photo in to something more than just a photo. Digital photos allow you to correct and improve the image quality in your photographs. You can edit, enhance or restore your photo to your taste. You can create more useful items with them like invitations for your special function or create a digital photo presentation on your TV set to you favorite music. You can even create powerful business presentations to help you nail that million dollar contract. The sky is now the limit. Where will your imagination take you?  

Even as you read this the relentless advancement of digital photography is being taken to another level. New technology is being released by the day and we are finding that what we thought was the best yesterday is no longer today, My advice is keep in mind what you are going to be using your camera for and purchase a product to suite you.

For additional and more advanced help on developing your digital photo skills I highly recommend you take a look at the link bellow, Here you will find a wealth of knowledge that will help you learn how to take the best photos ever.

Recommended for More Help

Need to improve your digital photography techniques? Pick up your free digital photography guide at http://sites.google.com/site/learndigitalphotographyclub for better photos...almost instantly.

Submitted By Andrew Bond

Choosing A Large Format Lens For Your View Camera

Even as small digicams are claiming increasing attention and resources from the majority of the big camera companies, the height of quality and fine detail in a photograph is still a thing extremely sought-after by many professionals and some persistent hobbyists.  And even now, a nearly ten years into the new century, that degree of quality is provided by film and a large format camera.  But having the big camera itself, you're only halfway there.  You also need a big piece of glass , or lens, to go on the front of it.

Lately it's getting progressively difficult to find some large format lenses, especially those for the  large cameras due to the fact that fewer manufacturers continue to make them.  New lenses are still being made in some brand names, however it's certainly worth keeping in mind that auctions and used sections of camera stores are often the best allies of those looking for this sort of lens.  Currently there are three major manufacturers still producing these kinds of lenses.  Known, appropriately, as "The Big 3" they are Rodesntock, Fuji and Schneider.  As recently as three years ago there was a 4th, Nikon, but regrettably they discontinued their line of large format lenses.  Products from the other three companies can often be difficult to get new in the United States.

If you have come to the conclusion that large format is the way to go  and you're currently thinking of purchasing a lens then there are several considerations you will need to keep in mind.

The format of the camera would be the most apparent first.  Most people get into larger cameras by beginning with a 4x5 .   Above that there's 5x7, 8x10 and all the way up to 20x24 inch formats with various custom and panoramic formats in between.  The reason you need to consider your camera format is the fact that it will impact how a lens of a certain focal length behaves.  As an illustration:  A lens that makes an image that isn't "long" or "wide" but looks much like the way our eyes naturally see is known as "normal"  A normal lens on a 35mm camera would be around 50mm.  A 50mm lens on a 4x5 camera would be incredibly and obviously wide.  On a 5x7 or larger camera it would be useless.  A normal lens for a 4x5 camera is  between 180mm and 150mm.

Another thing that is quite important, in particular when considering very large formats -8x10 and even bigger - is the lens coverage.  The measurement for this is usually presented as the image circle of a lens. For instance, if you had to expose a sheet of film about 30 cm from corner to corner, then you would need to make sure that the lens you want to use could produce an image circle of at least 300mm. To make sure that you will not be leaving parts of your film unexposed you'll need to take this factor into serious consideration, and keep in mind that the image circle can change depending on bellows extension and the distance you are focusing on.  

There are other things to consider, some of which are not in the scope of this writing.  But the web has plenty of pertainant information and great resources on the issue. Whatever the case, congratulations on your interest in this amazing and fulfilling area of photography and good luck with determining and obtaining the right large format lens for you.

About the Author

In addition to being an art student and avid photographer I am also the webmaster of TheLargeFormatLens.com. If you would like to learn more about this topic, including info on Schneider large format lenses, feel free to visit the site.

Camera problem Help?

The bellows of an adjustable camera can be extended so that the largest distance from the lens to the film is 1.68 times the focal length.

If the focal length of the lens is 7.32 cm, what is the distance from the closest object that can be sharply focused on the film?

Answer in units of cm.

Use the equation:
1/S1 + 1/S2 = 1/f

Given: S2 = 1.68 * f

S1 = (1/f - 1/S2)^-1 = (1/f - 1/1.68f)^-1 = ((1.68f - f)/1.68f²)^-1
= (0.68/1.68f)^-1 = (0.68/(1.68*7.32cm))^-1 = 18.0847cm

Answer: 18.1 cm

Gallic delights: Intriguing French photography dominates museum exhibition
Paris is known as the city of light. But its shadowy world is beautifully explored in “French Twist: Masterworks of Photography from Atget to Man Ray,” a collection of 87 early 20th-century black and white studies in the first floor galleries of the Patty & Jay Baker Naples Museum of Art.

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