As an avid photographer, I'm often asked what camera someone should buy when they are considering upgrading to a DSLR (Digital Single Lens Reflex) camera, especially around this time of year when most people are shopping for gifts. I'll start with a general discussion on the differences between film and digital photography, then discuss specific cameras, lenses and accessories. Most of the equipment that I recommend and use can be found
here.
What are the differences between film and digital photography?With a film camera you will typically follow this process:
- Buy the film.
- Put the film in your camera.
- Expose the film.
- Take the film for processing.
- View your prints when you get them back and throw out the ones you don't want.
- Distribute prints of your photographs.
In digital photography, you have more choices and responsibilities in the process:
- Purchase storage media.
- Put the storage media in your camera.
- Take the photographs.
- Review the photographs in the camera and delete any you don't want.
- Download photographs to a hard drive.
- Edit the photographs.
- Delete files from the media.
- Upload the photographs.
- Print the photographs.
- Distribute the photographs by letting your friends and family know where to see the photographs or sending them email or printed copies.
Issues to consider in digital photography:
- Digital photography saves money by substituting digital media which can be reused for film, but you will need hard drive space and/or online network storage to save your files before you delete them from the storage media.
- What format are you going to shoot in? RAW provides all of the native resolution of a photograph, but generates a huge file and requires photo editing software to read and convert the image to a distributable format. TIFF is a lossless compression format that is generally viewable, but generates a large file. JPEG provides excellent compression and is a standard for web display, but it is a lossy format. Every time you save a JPEG, you lose information in the image and introduce artifacts. If you're not editing your photographs, then go ahead and shoot in JPEG. I usually shoot in RAW+small JPEG which provides the full resolution and an easy preview. I edit from the RAW file, then save to a JPEG when I'm done and upload that to the web.
- Editing photographs is an art. While some simple interfaces exist for doing basic editing such as red eye removal and cropping, more complex changes generally require investment in photo editing software and training in using that software. Photoshop is the gold standard for photo editing. If you want to get a full version of Photoshop, I recommend buying an earlier version of Photoshop, then upgrading to save money, especially if you want the extended version which provides support for 3D and motion based content and image analysis.
- Hard drives fail and burned CDs fail in 3 to 5 years on average. Backup your digital photographs in a way that will protect them. For example, use a RAIDed hard drive configuration and/or a reputable online photo service that will not delete your photos if you have not paid them, e.g., Flickr or Picasa.
- Sending photographs embedded in email can be dangerous or rude. Many people have email accounts that only allow so many or a so large a size attachments. Also, many people will not open attachments because they may contain viruses. If you want to distribute your photographs to friends online, upload them to a reputable service, then send them an email to go look at your photo album or set.
- Decide how public you want your images to be and actively manage your privacy. Do you want anyone to be able to see your family, including your children online? I use Flickr and manage my settings so that any photographs with people in them can only be seen by my Friends and Family in Flickr, unless I've gotten permission from the people in the photo to make it public.
What DSLR camera should I buy?I only have experience with Canon DSLRs, so that's the camera brand that I can talk to in detail. If you're new to SLRs or you're looking to stay under $1000 in your initial investment, the best current choice of camera is the
Canon EOS Digital Rebel XTi. It has great features, including 10.1 MP, availability of shooting in RAW+JPEG, and compatibility with Canon EF and EF-S lenses, at a reasonable price. EF lenses are compatible with all 35mm film and full frame digital Canon EOS cameras. EF-S lenses are compatible with the less than full frame Canon DSLRs. With the Rebel, you can save on the camera initially and invest in a better EF lens which will be compatible if you decide to upgrade your camera body later. I use a
Canon EOS 20D which is a more rugged pro/am 8.2 MP camera with more advanced features, like shutter speeds to 1/8000 of a second and additional focus points. It is no longer produced by Canon, but can be found used or in back stock. The current production version of my camera is the
Canon 40D. If you're looking for the ultimate camera and would rather have a camera than a car, you might consider one of the professional models like the
Canon EOS 1DS Mark II. The higher models provide higher resolution, more focus points and more shots before saving to compact flash, among many other advanced features.
Which lens should I buy?The most important determinant of the quality of your photographs in your camera system (besides the photographer) is the lens. Lenses my be fixed, providing only one focal length, or variable. Fixed lenses generally have better quality for the price because you're not paying for a more sophisticated focusing mechanism that must adjust for a varying focal length, but they provide no zoom. So, you have to buy more lenses and change lenses more often, leading to difficulties in capturing images and needing to clean the sensor more often. Most amateur photographers use zoom lenses to reduce the overall cost of ownership and increase ease of use.
The range of focal length of a lens determines what subjects it will photograph best. Small focal length lenses are wide angle lenses. They are generally best suited for portraits and landscapes, but introduce strong perspective distortion up close. 35mm lenses give you a "natural" perspective, which appears as if you were looking at it directly. Long focal length lenses are telephoto lenses. They are best for photographing details or objects at a distance, but they crop what you can see in the image as you zoom in. If you are photographing sports or nature you will probably want a telephoto lens with a focal length of at least 100mm, preferably 200mm or greater.
The lower the f-stop of the lens, or the brighter the lens, the lower the level of light in which it will be able to capture detail without a flash. Introductory lenses are usually in the f/4 to f/6 range. Lenses good for low light conditions are generally in the f/1.2 to f/2.8 range. The brighter the lens, the more expensive it will be.
If you're on a budget, you may want to start with a kit which includes a lens with the camera, like the
Canon EOS Digital Rebel XTi kit which includes an 18-55mm lens. The 20D kit that I purchased included the
Canon 17-85mm EF-S lens which I was happy with until I upgraded to Canon L lenses. The Canon L lenses have the highest quality optics. The lens I keep on my camera for general use is the
Canon EF 17-40mm f/4L lens. My favorite lens is the
Canon EF 70-200mm f/2.8L lens. If you are interested in improving the quality of your photographs at a detail level, buy
the best lens that you can afford.
What accessories should I buy for my camera?Whenever you buy a camera, you will need some basic
accessories to make it easier to use and improve your photographs.
Buy enough camera storage media and hard drive space to support your shooting volume. If you're uploading JPEGs directly from your storage media, you don't need to worry about extensive home data storage. If you're editing your photographs and want to keep the RAW or photo editing software originals, you'll need to have hard drive space to support it at home. The most I've used in a day with my 20D is 10 GB. I generally carry an
8 GB and a
4 GB compact flash cards. I have a 1 TB
Buffalo Terastation for RAIDed home data storage and a
Pro Flickr account that allows unlimited uploading of JPEGs up to 10 MB in size for online storage.
Consider buying a flash. An adjustable flash that mounts on or off the camera will allow you many more lighting options than the flash that is built into the camera.
Consider buying a tripod. One of the biggest difference between amateur and professional photography is the use of a tripod. Using a tripod helps control unwanted motion blur and is indispensable for larger lenses. Buy a tripod in the lightest material you can afford for portability. The lighter the tripod, the more likely that you'll use it regularly. I use a
carbon fiber Manfrotto tripod. You may also consider a monopod, which is useful when you are not allowed to or can't use a tripod due to space restrictions. You can also use the tripod collapsed to one leg instead of a monopod.
There are many different heads available for tripods. Features to look for in tripod heads include quick release and monoball. Make sure that the head that you choose is strong enough to support the weight of the camera equipment that you will be supporting with it, including the camera, flash and any other accessories. I use a monoball Arca Swiss head. I purchased extra plates for my large lenses, so that I can do a quick change of lenses and remount using the lens mount on my larger lenses without having to transfer the plate from my camera to the lens mount.
You may want to consider buying a camera bag or backpack. If I'm not taking a lot of equipment with me for the day, I put my equipment in to my large purse. For a serious day of shooting I use my Targus backpack that is specifically designed with padding that is adjustable for different lenses. It also has a pocket and clips for securing a monopod or tripod.
This blog entry answers some basic questions about what I consider when purchasing camera
equipment. I hope it helps guide you in selecting equipment to increase your enjoyment of photography. I look forward to any comments and questions about purchasing basic DSLR equipment.
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