User Manual for Pentax HD Pentax DA 20-40mm f 2.8-4 ED Limited DC WR Lens Click to enlarge the picture
Contents of the user manual for the Pentax HD Pentax DA 20-40mm f
- Product category: SLR Lenses Pentax
- Brand: Pentax
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Pentax SLR Lenses
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User manual for the Pentax HD Pentax DA 20-40mm f contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Pentax product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Pentax user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Pentax product will considerably shorten its lifespan!
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Product description Best SLR Lenses of 2017 Read More The silver HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR Lens from Pentax is a high performance standard length zoom lens for K-mount APS-C cameras. Its 35mm focal length equivalency is 30.5-61.5mm providing a versatile and practical range for wide-angle to standard length shooting. It is the first zoom lens in the Pentax Limited Series line and brings with it a durable, weather-sealed body, HD lens coating and an optical design consisting of one ED element and one super-low dispersion element.The f/2.8-4 maximum aperture enables effective low light shooting and, at the wide-angle end, control over its shallow depth of field for images that place sharp focus on the subject with a pleasing out of focus background. An in-lens direct current (DC) focus motor provides smooth and quiet autofocus action and its Quick-Shift Focus System enables rapid shift from autofocus to manual focus mode.The lens barrel and the included hood are made from high-grade aluminum alloy, distance and depth of field scales are clearly marked on the barrel and a smooth rotating, knurled ring provides manual focus control. SP (Super Protect) coating on the front and rear lens elements repels dust, water and grease to help maintain peak performance. - 30.5 to 61.5mm Focal Length Equivalency and f/2.8 Maximum Aperture
- With its 2x zoom coverage of 20-40mm, this lens offers focal length coverage from 30.5 to 61.5mm in the 35mm format when mounted on a PENTAX K-series DSLR. This covers a practical set of frequently used focal lengths and is ideal as a versatile everyday lens. Its maximum aperture of f/2.8 at the wide-angle end of the zoom is effective in low light and provides shallow depth of field focus.
- HD Lens Coating
- This lens has been treated with the PENTAX-developed HD coating, a high grade, multi-layer coating that reduces unwanted reflection, allowing the user to capture high-contrast images free of flare and ghosting.
- DC Autofocus Motor
- Shoot discreetly with in-lens, direct current (DC) Auto Focus motor operation for smooth & quiet performance.
- Quick-Shift Focus System
- The Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
- Weather-Resistant Construction and Durable Aluminum Barrel
- With seven special seals to prevent intrusion of water, moisture and dust, this is the first lens of the "Limited" series to feature the PENTAX-original weather-resistant construction. With a handsome and durable aluminum alloy barrel and weather-sealing, this lens is able to perform in almost any shooting condition.
- SP Lens Coating
- The PENTAX SP (Super Protect) coating on the front and rear lens elements repels dust, water and grease to keep your lens clean and your images sharp.
- Optical Design
- The ED (Extra-low Dispersion) glass and a super-low dispersion glass element in this lens' optics deliver clear, high resolution imagery with edge-to-edge sharpness, throughout the entire zoom range.
- Rounded Diaphragm Blades
- Enhanced with a rounded nine-blade diaphragm at the wide apertures for optimal optical performance and gorgeous bokeh effects.
UPC: 027075274754 In the Box Pentax HD Pentax DA 20-40mm f/2.8-4 ED Limited DC WR Lens (Silver) Front Lens Cap Rear Lens Cap MH-RA55 Lens Hood Lens Pouch Limited 1-Year Warranty Macro Lens Buying Guide Todd Vorenkamp 11/27/2018 dsvqzyxqacxawyuraraudcxxuxuarwzbasyd Brochure PDF 326.9kb Table of Contents
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Technical parametersPentax DA 20-40mm f/2.8-4 ED Limited DC WR Specs | Focal Length | 20 to 40mm (35mm Equivalent Focal Length: 30.5 to 61.5mm) | | Maximum Aperture | f/2.8 to 4 | | Minimum Aperture | f/22 to 32 | | Lens Mount | Pentax K | | Format Compatibility | APS-C | | Angle of View | 70
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