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| Pentax DA 50-200mm f/4-5.6 ED Lens for Pentax and Samsung DSLR Cameras | 
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| Brand: Pentax
Category: Photography
List Price: $376.50
Buy New: $149.00
You Save: $227.50 (60%)
New (45) Used (3)
Avg. Customer Rating:  42 reviews
Media: Electronics
Autographed: No
Memorabilia: No
Fragile: No
Batteries Included: No
Optical Zoom: 4
Maximum Focal Length: 200
Minimum Focal Length: 50
Shipping Weight (lbs): 0.6
Dimensions (in): 6.1 x 4 x 3.8
Legal Disclaimer: Warranty does not cover misuse of product.
MPN: 21567
Model: 21567
UPC: 027075113695
EAN: 0027075113695
ASIN: B0009OAFI4
Availability: Usually ships in 1-2 business days
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| Customer Reviews:
 Pentax 50-200mm lens October 10, 2007
3 out of 6 found this review helpful
Great lens, and with macro it covers all my needs. For the money, you cannot go wrong.
Zoom Superstar October 2, 2007
7 out of 7 found this review helpful
This little guy does a great job- super sharp, fast focusing (on the K10D), and rather small. Fully zoomed out it is the same size as any of the 70-300's when they're not zoomed out. Makes a great addition to the kit lens. Sometimes the focus will 'hunt' with this lens when used in low-light situations at the longer lengths, but that's due to it's small max aperture of 5.6 at the long end. Get one- you won't be disappointed.
Pentax DA 50-200mm September 9, 2007
3 out of 5 found this review helpful
I find this lens to be very easy to use along with the camera. Pentax has been my choice of camera, flashes and lenses since my first SLR camera.
Very Sharp!! August 23, 2007
5 out of 6 found this review helpful
I am so impressed with Pentax's DSLR's and glass, such as this optically excellent lens, that I have sold all my Nikon gear and converted to Pentax.This lens, along with the 18-55, make for a great travel combo. Highly recommended!!
 Manual Focus "Glitch" August 19, 2007
11 out of 11 found this review helpful
I just recently purchased the Pentax K10D which included the 50-200mm Pentax lens. I decided to get familiar with the new equipment by taking pictures at an airshow. I knew that most of the aerial shots would require manual focusing (set to infinity for distances of over 500-1,000 ft) which seemed to work well with the lens and camera. The only problem I noted was that in manual focus mode, the focus ring moved too easily so that when you change the zoom you could also alter the focus. When I later looked at the hundreds of manual focus shots I took, I was disappointed to find that many were somehow slightly out of focus, enough so to ruin otherwise great shots. What I discovered was that the infinity setting for sharp focus at distance was not at the hard focus stop of the ring (at the infinity indicator) but about two or three millimeters back. That slight difference in focus ring positioning can make or break a great shot, but it is difficult to detect the off-focus in the viewfinder in fast-action shooting. Normal camera handling in shooting situations like an airshow can cause the ring to drift off-focus too easily. Maybe this is normal for an autofocus lens (my old manual lenses have a much tighter focus movement), but it does not make sense for hands-on shooting since that last degree or two of lens focusing movement is good for nothing other than wrecking a shot - it doesn't appear to provide for a special "ultra-distance" focus. Perhaps this issue is isolated to this lens unit only. Otherwise, when auto focus works on this lens, it works quite well, fast and smooth. I still don't understand why an auto focus system can't be programmed to default to infinity when a focus lock can't be achieved (such as an airplane up in the sky). Aside from the issue I mention, the lens appears to be good for decent images with little purple fringing evident in the long range of the lens (a serious problem with the Canon S3). While this lens is quite usable overall, I've found that it still leaves you in need of greater wide angle performance, requiring that you carry two lenses at all times, like the Pentax 18-55mm. I'll be looking next for a faster mid-range lens for optimal low-light, non-flash shooting.
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