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Pentax HD -DA645 28-45mm F4.5ED AW SR Review

Main Features

  • 28-45mm Focal Range
  • F4.5 Max Aperture
  • Image Stabilization
  • Weather Sealed
  • Filter Thread: 82mm
  • Max Format: 645
  • Pentax 645AF2 Mount
  • Weight: 1470g.
  • Diameter: 99mm
  • Length: 152mm
  • Min Focus Distance:4m
  • Max Magnification:21x
$4249

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Pentax DA645 28-45mm F4.5ED Overview
Pentax DA645 28-45mm F4.5ED is an Auto Focus (AF) Wideangle Zoom lens with 645 max sensor coverage. When mounted on a 645 sensor camera, it will give you an FF equivalent focal range of 21.84mm. With the max apertures of only f4.5 at 28mm, and f4.5 at 45mm, the lens is quite slow at both ends.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Pentax DA645 28-45mm F4.5ED is weather sealed which makes it an ideal lens for outdoor use, especially when coupled with a weather sealed camera body.

Pros and Cons of HD Pentax-DA645 28-45mm F4.5ED AW SR

PROs
Image Stabilization
Weather Sealed
Built-in Autofocus
Hood supplied
Full-time Manual Focusing
Internal Focusing

CONs
Heavy
Pricey
Pentax DA645 28-45mm F4.5ED Detailed Specifications

General
Brand Pentax
Lens Type Prime
Price $4,249.00
Lens Type Wideangle Zoom
Lens Mount Pentax 645AF2
Max_Format 645
Focal Range 28-45mm
Image Stabilization Yes
Colour Black
Zoom Method Rotary (internal)
Power Zoom No
Zoom Lock No
Zoom Ratio 1.6X
APERTURE
Max Aperture F4.5
Min Aperture
Aperture Ring No
Diaphragm Blades 9
Optics
Optical Elements 17
Optical Groups 12
Special Elements HD and Aero Bright coatings

FOCUSING
Min Focus Distance 4m
Max Magnification 21X
Autofocus Yes
AF Motor Type unknown
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
PHYSICAL SPECS
Weight 1470g
Diameter 99mm
Length 152mm
Materials Metal
Weather Sealing Yes
Filter Thread 82mm
Filter Notes -
Hood Supplied Yes
Hood Code 38709
Tripod Collar No
HD Pentax-DA645 28-45mm F4.5ED AW SR Alternatives in Pentax 645AF2 Mount
Model Focal Length Max Aperture Weight Focusing Price
Other Frequently Asked Questions about HD Pentax-DA645 28-45mm F4.5ED AW SR
is the HD Pentax-DA645 28-45mm F4.5ED AW SR a Weather Sealed lens?
What is the Minimum Focusing Distance of HD Pentax-DA645 28-45mm F4.5ED AW SR
is the HD Pentax-DA645 28-45mm F4.5ED AW SR an Autofocus (AF) lens?
What is the Filter Thread Size of HD Pentax-DA645 28-45mm F4.5ED AW SR
What is the Maximum Magnification Ratio of HD Pentax-DA645 28-45mm F4.5ED AW SR
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