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Great summary. I would add more about the aspect ratios - DSLR will *typically* have the wider 3x2, and point-and-shoot *typically*the taller 4x3 ratio.
whiteflea: new point-and-shoot vs old DSLR: assuming both alternatives are decent of decent quality, the decision (imho) basically boils down to size (clunky/handy) vs shutter lag (snappy/sluggish). Shutter lag is a killer if you're shooting kids or fast-moving scenes; if you shoot scenery or posed portraits, it's not a big deal.
@whiteflea: Old DSLR, Old DSLR, Old DSLR, - For me, just the fact that a DSLR won't have the shutter lag apparent and extrememely frustrating in almost all PAS's
Thanks for the info on the differences! I am referring this page to some camera shoppers.
AS far as after having the camera...Before I start trolling forums and gather headaches: Which is Better for working with images (cropping, archiving, ...) Apple's Aperature or Adobe's Lightroom? Using a Canon 5D...shooting objects to make catalogs twice a year. Or just stick to photoshop?
Great post, John, it was really informative. How about throwing in a couple of recommendations for each camera category? I know you guys had done that earlier in your holiday gifts guide, but it seems to be the only thing missing in this otherwise comprehensive article.
@masonsturtle: The Leica S system is a medium format DSLR. Without delving into much detail, its sensor is much bigger than that of "Full frame" DSLRs from Canon and Nikon.
The Leica M system consists of rangefinders. The M9 is a rangefinder with a "Full frame" sensor.
Leicas, if you can afford them, are excellent cameras for everything except action photography. This is because the brilliant lenses that they have also happen to be manual focus only.
THIS is why I still visit Gizmodo everyday inspite of the pro-Apple overtures. Fantastic article, fantastic writing and totally worth reading it especially since I just started researching for a D-SLR.
Good job, John. Covered everything that a newbie needs to know in a simple yet concise manner. Me likes.
Just one complaint though. The part about CCDs and CMOSs is incorrect. As I mentioned in a comment below, DSLR makers have almost entirely moved to CMOS now. CMOS used to lag behind CCD when it comes to dynamic range, but with the current developments, they have bettered CCDs. The CMOS sensor in the D700 for instance is the class leader when it comes to dynamic range and high ISO performance.
I have a camera showdown between a 6MP DSLR, a 10 MP point 'n shoot, a 3.2MP camera phone and another 12.1MP cameraphone. That's right, one cameraphone in the test had twice as much megapixels as the DSLR!
FTA: "In real terms, focal length correlates to physical lens length, and zoom power. 18mm focal length on a DSLR is considered wide, 200mm or more is considered zoom-y."
I think you meant to say 200mm would be considered telephoto. For example an 8mm-16mm lens would be considered both zoom-y and 'wide'. Zoom refers to the ability of the lens to change field of view.
While its true that many DSLRs are starting to use CCD instead of CMOS sensors, there ARE some performance differences between the two.
For VERY long exposure shots (like 10-20 minutes shooting star trails), CCD sensors can show heat bloom. The sensors will get physically hot and show hot pixels (at first) and then eventually the corners or edges will also show hot, ruining the shot. CMOS tends to be more immune to this.
I imagine this would also be a problem for the aspiring budget filmmakers who are using workarounds to use their DSLRs to shoot video (long periods with the CCDs switched on).
There are a lot of threads on this over at dpreview.com.
@MikeHerbst:
Forgot to add, whether for cost, performance, or manufacturing issues, Higher-end DSLRs tend to have CMOS sensors and the entry-level DSLRs tend to have CCD.
@MikeHerbst: Indeed. Pretty much every DSLR announced in the past 18 months or so sport CMOS sensors. Even manufacturers who were using CCDs before like Nikon have moved completely to CMOS. This one move helped them become the champions in high ISO performance overnight.
You're right that CCD sensors have amp glow trouble that's more prominent than in CMOS sensors.
I think it's also worth noting that micro four-thirds cameras can use old Canon and Leica lenses with adapters and take shots with a 2x crop factor. This stinks if you have some wonderful wide-angles sitting around, but if you can somehow get ahold of some good, long Canon FD glass, you can turn one of these into an incredible birding camera (at least that's my theory).
One thing not mentioned here that should go under both sensor and zoom is the magnifying effect (crop) of non full-frame DSLRs. These can range from 1.2x-1.5x or so and many site describe these as a magnification factor when it more accurately a crop of what would be captured by a full 35mm frame. Important for users new to DSLRs who might find out the hard way that unless they've bought a lens designed for digital their wide angles perhaps aren't.
Should also be noted that not ALL DSLRs use CF cards - in fact, your picture shows a Nikon supporting both CF and SD slots.
12/10/09
12/10/09
12/14/09
12/10/09
whiteflea: new point-and-shoot vs old DSLR: assuming both alternatives are decent of decent quality, the decision (imho) basically boils down to size (clunky/handy) vs shutter lag (snappy/sluggish). Shutter lag is a killer if you're shooting kids or fast-moving scenes; if you shoot scenery or posed portraits, it's not a big deal.
12/10/09
I'm wondering: if I'm on a budget of say $150, would it be better to get a new point-and-shoot or an old DSLR?
12/10/09
12/10/09
12/10/09
AS far as after having the camera...Before I start trolling forums and gather headaches: Which is Better for working with images (cropping, archiving, ...) Apple's Aperature or Adobe's Lightroom? Using a Canon 5D...shooting objects to make catalogs twice a year. Or just stick to photoshop?
12/10/09
12/09/09
12/09/09
The Leica S2 37.5MP is selling for $28,000 on Amazon. Why?
12/09/09
The Leica M system consists of rangefinders. The M9 is a rangefinder with a "Full frame" sensor.
Leicas, if you can afford them, are excellent cameras for everything except action photography. This is because the brilliant lenses that they have also happen to be manual focus only.
12/09/09
12/09/09
Just one complaint though. The part about CCDs and CMOSs is incorrect. As I mentioned in a comment below, DSLR makers have almost entirely moved to CMOS now. CMOS used to lag behind CCD when it comes to dynamic range, but with the current developments, they have bettered CCDs. The CMOS sensor in the D700 for instance is the class leader when it comes to dynamic range and high ISO performance.
I have a camera showdown between a 6MP DSLR, a 10 MP point 'n shoot, a 3.2MP camera phone and another 12.1MP cameraphone. That's right, one cameraphone in the test had twice as much megapixels as the DSLR!
[sandeepmurali.shutterfly.com]
Would make an interesting read for those who wonder about optics vs Megapixels and just how much each of them matter.
12/09/09
I think you meant to say 200mm would be considered telephoto. For example an 8mm-16mm lens would be considered both zoom-y and 'wide'. Zoom refers to the ability of the lens to change field of view.
12/09/09
For VERY long exposure shots (like 10-20 minutes shooting star trails), CCD sensors can show heat bloom. The sensors will get physically hot and show hot pixels (at first) and then eventually the corners or edges will also show hot, ruining the shot. CMOS tends to be more immune to this.
I imagine this would also be a problem for the aspiring budget filmmakers who are using workarounds to use their DSLRs to shoot video (long periods with the CCDs switched on).
There are a lot of threads on this over at dpreview.com.
12/09/09
Forgot to add, whether for cost, performance, or manufacturing issues, Higher-end DSLRs tend to have CMOS sensors and the entry-level DSLRs tend to have CCD.
12/09/09
You're right that CCD sensors have amp glow trouble that's more prominent than in CMOS sensors.
12/09/09
12/09/09
12/09/09
12/09/09
Should also be noted that not ALL DSLRs use CF cards - in fact, your picture shows a Nikon supporting both CF and SD slots.