 A hands on review of Pentax's new flagship digital SLR |
| Review Date: May 9, 2008 |
| Reviewer: James E. Maynard, Seattle WA USA |
I have been a Pentax owner since the 1950's when the first Heiland Pentax SLR was introduced to the market. This is my 3rd Pentax digital SLR, the first two being the 6 megapixel 1stDS and the 10 megapixel K10D. This new model is a significant upgrade from the K10D, and at 14.6 megapixels, provides significantly more resolution in the crops I make from the original images. What this allows is for me to go to smaller crops (increased area enlargement) and still maintain excellent resolution. Another significant feature is the new imaging device from Samsung, producing, for me, low noise excellent quality photos at sensitivities as high as 1600 ISO.
To me, one of the most significant features of this camera, also found on my earlier K10D, is the RAW button on the left side of the camera body. This enables me to shoot most of my photos in JPEG, but allows me to go to RAW for a single image that I really want to get the most out of. This feature really conserves memory card space, but allows shooting of intermittent RAW images when they are really needed. This is a feature that I believe is unique to Pentax. At the highest quality (least compression) JPEG setting, the camera produces 10 megabyte images, which provide plenty of detail and excellent color.
The quality of the shake reduction capability seems, to me, to be improved over the K10D. I have been able to shoot sharp photos at F3.5 at a 30th of a second at a focal length of 250 mm.
The camera is extremely well built and, for this reason, is slightly heavier than other brands of comparable size. But the small extra weight and the fact that the camera feels well in the hand makes for really steady shots.
A new feature is live image production on the 2.7 inch rear screen, which is somewhat larger than that on the K10D. Being a long time SLR user, I don't use this feature very much. But it seems to be the up and coming thing on new digital SLR's.
The internal software of the camera has really been upgraded and includes an in camera capability to convert RAW images to TIFF or JPEG, a really neat feature if one is on the road and doesn't have access to the computer software necessary to process RAW images but yet wants to view them on other portable imaging devices.
I bought my camera without a lens and separately purchased the new 18-250 F 3.5-6.3 Pentax zoom lens and the 50 mm F 1.4 Pentax lens, which serves as a very short telephoto, wonderful for taking pictures of people. This is the combination I would recommend. The 18-250 appears to be manufactured for Pentax by TAMRON and is an excellent lens in my opinion. It is also quite versatile, giving a 28 mm field of view at wide angle and 375 mm at full telephoto. The 50mm F 1.4 is really inexpensive, at about $199 from reputable internet dealers, and is one of the sharpest lenses ever produced by Pentax. This lens is a real "sleeper" and should be owned by any Pentax DSLR owner for low light and portrait photography.
At about $1250-1299 street price for the body alone, the camera is not cheap. But it is a prosumer model and priced somewhat below comparable Canon and Nikon models. It is providing me with wonderful performance and I highly recommend it.
Dr. James E. Maynard |
Great camera, but not for the beginner...
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| Review Date: September 8, 2008 |
| Reviewer: Austin M. Kramer, Beijing, PRC |
As an on-and-off pro photographer, I needed a professional camera that I could use in places like the Kashmir or Khazakstan, taking professional quality pictures without risking a five to ten thousand dollar piece of equipment. The Pentax K20D works for me, expecially thanks to certain key elements:
1. Size
Since I'm not a studio photographer, and the fieldwork I'm into these days is in some pretty rough places, I wanted a camera that was sturdy and compact and easy to carry. The K20d is significantly smaller than any other pro or semi-pro camera on the market, and it makes a big difference because I can carry it in a shoulder bag along with a sweater and notebook, rather than having to carry a separate camera bag.
2. Control (Features)
The camera has all the shooting control of a Pro Camera. Especially cool is that almost every adjustment has a convenient on-body toggle, meaning I can set up my shots without having to navigate menus.
3. Control (Image quality)
I'm a nuts-and-bolts kind of guy, so I don't like it when a camera thinks its smarter than me. Although a lot of people complain about its lack of noise reduction, that's one of the big reasons I bought it. You see, every digital picture has noise. Cameras designed for shooting pictures of your kids on vacation smear the details away to try to hide it. They don't have less noise, they just make the picture fuzzy until you can't notice the pixels. Once this is done, there is a permanent loss of detail.
The K20D preserves the original image and lets you manually adjust noise reduction, which can be done in most image editing programs like Adobe Photoshop. I understand that not everyone knows how to do this, but don't blame Pentax. If you don't know how to manually edit your photos, then why on earth are you spending a thousand dollars on a camera body? This is not a point and shoot camera. Good point and shoot cameras with SLR-like features are widely available for less than half the price, so think twice if you really need this camera before investing in it.
4. Manual Features and Battery Life
Virtually everything in this camera can be set to manual mode. Manual focus is a toggle switch, so it won't constantly reset itself. Devoted dials on the body adjust the aperture and exposure time. Rather than automatically popping up at random times, the flash will not pop up unless you manually activate it. In full manual mode, it allows you to set up each shot just like with an old SLR. Since that's the only way I shoot, and use the lcd screen sparingly if at all, there is virtually no drain on the battery. Set like this, I have used the camera for up to four weeks, shooting more than a thousand photos without having to charge the battery. I doubled that time by buying the back-up battery extension. The Lithium Ion batteries are awesome.
5. Mirror-up LCD viewfinder
You can lock the mirror up and use the LCD screen on the back as a viewfinder, which is really helpful in framing shots where you can't check the viewfinder. It also reduces body-shake in multi-second exposures, which is handy if you shoot at night.
Now I have heard one, and only one complaint (other than noise reduction) which is that its burst mode is kind of slow at 21fps. I'm not a burst mode photographer, so I wouldn't know. In my opinion, if you want a camera that shoots more than 21fps, then buy a video camera. Apparently this makes a difference for sports photographers - another thing I don't do.
The main reason, though that I bought this camera is to be able to use the Pentax lenses, which I love. But it should be important to remember, as a digital camera, it's sensor is big, but not 35mm big, and this changes the proportions and angles from what a film camera shoots. Thus a 50mm lens from your film Pentax takes photos like a 75m lens - a factor of 1.5, so if you want a normal shot, shoot at around 35mm, and wide angle around 19, etc. A 100mm lense will actually shoot like a 150. This can be handy for using wider lenses with less distortion. I have a fish eye lense that is a little too wide on film but perfect on the Pentax. Also, it only takes auto-exposure compatible lenses, ie, modern ones, so you can't use your golden oldies, like an f1 from the 1960s.
On the whole, if the camera fits your needs, it's worth way more than the price. Hands down my favorite camera in the field of DSLRs. |
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