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Does anyone know anything about the quality of this lens:
Walimex - Shop - Walimex pro 650-1300/8-16 Tele für Pentax/Samsung Nr. 15871 Walimex pro 650-1300/8-16 Tele für Pentax/Samsung Nr. 15871 15871 ?
Price in Swiss Franc, around 300 Euros
Text in german, somewhat translated through google translate:
suitable for the following cameras: Pentax * ist D, * ist Ds, istDL, * ist DS2, * ist DL2, K100D, K110D, K100D Super, K200D, K10D, K20D, K-7, Kr, Kx, Km, Samsung GX Series
Super-telephoto zoom lens with T2 connection
ideal for wildlife photography
Closest focusing distance of only 5 meters
manual focus
Internal Focusing
aperture priority and manual exposure setting
including metal lens hood
using the stable tripod mount, the lens can focus optimized fixed on a tripod
including high-quality storage bag and lens cap
the camera is not included
Tip: focal length doubling with optional 2x Converter T2 (1300-2600mm)!
Delivery including adapter
this lens is used with the adapters we supply many other cameras:
Olympus OM, Olympus 4 / 3, Olympus micro 4 / 3, Canon AF, Canon FD, Nikon AF / MF, Minolta AF, Minolta MD, Pentax, Leica R / SL, Praktica, Samsung, Sony Alpha
When used on digital SLR cameras (eg Pentax Km, K-7, K10D, K20D, K100D, K110D, K200D, istDL, Samsung GX-Series) is obtained by the focal length of 1.5 A super telephoto with an equivalent focal length of 975 -1950mm! (Or 1950-3900mm with 2x optional converter)
This has walimex telephoto zoom lens has an unusually high focal range of 650-1300mm with a maximum aperture of 8.0 to 16 (depending on focal length). The rugged metal housing and high quality tempered glass lenses ensure a good image quality. The internal focus (ie the front lens rotates when focusing is not) allows the use of poles and graduated filters. With the help of the stable tripod mount, the lens can focus optimized fixed on a tripod (because of the high focal length, we recommend using a tripod to get steady shots). With a relatively small minimum focusing distance of only 5 meters, the lens allows for a sensational 1300mm magnification. Focusing is done manually. The lens can be used with aperture priority and manual exposure setting. Thanks to the easy handling, the lens is ideally suited for beginners.
Technical data:
Focal length range 650-1300mm
8-16 burning intensity depends far
Angle of 3.8 ° -2.0 °
Filter diameter 95mm
Close focusing distance 5m
Groups lens / lenses 5 / 8
Front diameter 105mm
smallest aperture 16 (at 1300mm)
Tripod mounting on tripod mount on the lens
Tripod connection 5 / 8''
minimum length 463mm
maximum length 590mm
Weight 2000g