Pentax HD PENTAX DA 18-50mm f/4.0-5.6 DC WR RE Lens

Pentax HD PENTAX DA 18-50mm f/4.0-5.6 DC WR RE Lens

Pentax HD PENTAX DA 18-50mm f/4.0-5.6 DC WR RE Lens

B&H # PE185045DA MFR # 21357
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Product Highlights

  • K Mount Lens/APS-C Format
  • 27.5-76.5mm (35mm Equivalent)
  • Aperture Range: f/4.0-5.6 to 22-32
  • Aspherical Elements
  • HD PENTAX & Super Protect Coatings
  • Direct Current AF Motor
  • Quick-Shift Focus
  • All Weather-Resistant Construction
  • Retractable Design
  • Rounded 7-Blade Diaphragm
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Pentax 18-50mm f/4.5-5.6 overview

  • 1Description

Offering flexibility in a compact package, the K-mount HD PENTAX DA 18-50mm f/4.0-5.6 DC WR RE Lens from Pentax features a retractable design which significantly shortens the lens when not in use, and has a versatile 35mm equivalent focal length of 27.5-76.5mm when used with APS-C cameras. The aperture is variable with a range of f/4.0-5.6 when wide open, and the lens utilizes aspherical lens elements to ensure edge-to-edge sharpness throughout the zoom range. Also, it utilizes both the HD PENTAX coating for limiting flare and ghosting for excellent contrast in your images as well as a Super Protect coating to ensure the lens elements aren't easily damaged or scratched.

Smooth, quiet autofocus is possible with the use of a direct current (DC) motor and it has the Quick-shift focus system for quickly switching to manual focus. The lens also has ten seals as part of the all-weather resistant construction, limiting potential damage from water, moisture, and dust. Additionally, it has a rounded 7-blade diaphragm and comes with a hood and lens caps.

Optical construction of 11 elements in 8 groups
Angle of view of 76-31.5°
Fully automatic diaphragm control
Front filter diameter of 58mm
Aperture is rounded at 18mm from f/4-5.6 and 50mm from f/5.6-8
UPC: 027075286955
In the Box
Pentax HD PENTAX DA 18-50mm f/4.0-5.6 DC WR RE Lens
  • PH-RBJ58 Lens Hood
  • O-LW67A Lens Cap
  • Lens Mount Cover
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Pentax 18-50mm f/4.5-5.6 specs

    Focal Length 18 - 50mm
    Comparable 35mm Focal Length: 27.5 - 76.5 mm
    Aperture Maximum: f/4 - 5.6
    Minimum: f/22 - 32
    Camera Mount Type Pentax K
    Format Compatibility APS-C
    Angle of View 76° - 31.5°
    Minimum Focus Distance .98' / 30 cm
    Magnification 0.23x
    Maximum Reproduction Ratio 1:4.35
    Optical Design 11 Elements in 8 Groups
    Diaphragm Blades 7, Rounded
    Image Stabilization No
    Autofocus Yes
    Tripod Collar No
    Filter Thread Front: 58 mm
    Dimensions (DxL) 2.80 x 1.61" / 71 x 41 mm
    Weight 5.57 oz / 158 g
    Packaging Info
    Package Weight 0.6 lb
    Box Dimensions (LxWxH) 3.9 x 3.8 x 3.4"

    Pentax 18-50mm f/4.5-5.6 reviews

    HD PENTAX DA 18-50mm f/4.0-5.6 DC WR RE Lens is rated 4.0 out of 5 by 4.
    Rated 3 out of 5 by from Not quite up to par I ordered it as a companion to my HD 55-300 WR in preparation for a trip to Alaska. I wanted to like it . . . lightweight, compact, quick and quiet focus, initial impression of IQ after a few test shots was very good. But - the build just seemed flimsy, with lots of wobble in the barrel. I could feel it wiggling around even with just the light pressure needed to adjust a polarizing filter. Nowhere near as solid feeling as the 55-300. Sent it back, bit the bullet and exchanged it for a used 20-40 Limited, which I LOVE - but that's a subject for another review.
    Date published: 2015-07-02
    Rated 4 out of 5 by from Good light weight compact travel lens I took this lens on a trip to Hawaii and came back with a bunch of great pictures. It is very light and seems flimsy, but the results were good. There is more or less softness around the edges depending on the focal length and f stop. The focal length range, light weight, and collapsable configuration make it a good single travel lens. As long as it continues to produce good results I'll continue to use it.
    Date published: 2015-08-04
    Rated 4 out of 5 by from Deserves a better lens cap I use this lens for table-top photography and it is pretty close to ideal for that purpose. Since I have plenty of light, I can stop the lens down to 8.0 or 11.0 with no problem and at those apertures it's sharp and has nice color rendition. It focuses close enough but is not a macro lens. Some reviewers have complained about poor build quality but I think this springs more from the flimsiness of the front cap than anything else. Any pressure at all on the sides of the cap will cause it to deform. Since it fits over the hood, it is a slide on instead of a snap on and removing it is a real pain.
    Date published: 2016-09-19
    Rated 5 out of 5 by from Solid lens Awesome lens that's very durable.
    Date published: 2016-09-12
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    Pentax 18-50mm f/4.5-5.6 Q&A

    Pentax 18-50mm f/4.5-5.6 accessories

    Designed for use with:

    • Pentax K-3 II
    • Pentax K-70
    • Pentax K-S2
    • Pentax KP
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