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Pentax K Lenses for less than $1,000 that have a 300mm or longer focal length

#1

Pentax SMC HD Pentax-DA 55-300mm f/4-5.8 ED WR

Pentax SMC HD Pentax-DA 55-300mm f/4-5.8 ED WR
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Max focal length 300 mm
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Weight 466 g
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Zoom range 5.5x
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Diameter 71 mm
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Min focal length 55 mm
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Aperture f/4
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Length 112 mm
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Auto focus Yes
#2

Pentax SMC DA* 300mm f/4 ED SDM

Pentax SMC  DA* 300mm f/4 ED SDM

"Stellar performer. Very sharp, and works well with in-body stabilisation, which is more noticable/effective at this focal length. Suprisingly good bokeh! This has now become my default lens bushwalking, with a shorter macro and wide prime in the bag. Very versatile thanks to close minimum focus distance. Not as big as imagined. About as heavy as expected (not light, but probably good for this class of lens). Overall GREAT and well worth the investment." bhphotovideo.com

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Max focal length 300 mm
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Weight 1.1 kg
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Zoom range 1x
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Diameter 84 mm
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Min focal length 300 mm
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Aperture f/4
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Length 183 mm
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Auto focus Yes
#3

Sigma 18-300mm f/3.5-6.3 DC MACRO HSM Contemporary Pentax K

Sigma 18-300mm f/3.5-6.3 DC MACRO HSM Contemporary Pentax K
 
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Great zoom range
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16.7x
 
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Wide angle lens
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18 mm
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Max focal length 300 mm
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Weight 0.6 kg
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Zoom range 16.7x
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Diameter 79 mm
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Min focal length 18 mm
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Aperture f/3.5
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Length 102 mm
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Auto focus Yes