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Pentax 645 HD DA 28-45mm F/4.5 ED AW SR Lens

Image Stabilized LensImage Stabilized LensWeatherproof - Seals protect from dust, humidity and light splashing.Weatherproof - Seals protect from dust, humidity and light splashing.Zoom LensZoom LensRectilinear are normal lenses that show straight lines as straight lines.Rectilinear are normal lenses that show straight lines as straight lines.Thread size in milimeters for screw-on filters.Thread size in milimeters for screw-on filters.82Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).

Lens Description

The Pentax 645 HD DA 28-45mm F/4.5 ED AW SR is an ultra-wide to normal zoom designed for cameras with a 645D (0.8X) sensor. This constant-aperture zoom covers a 28mm to 45mm focal-range. It provides the same field of view as a 22.4-36mm lens on a Full-Frame camera. An optical Image Stabilization System built into this lens compensates for camera shake. The body of this lens is weatherproof against adverse weather such as rain and snow. It has sealing to prevent entry of water and dust.

This zoom can focus down to 40cm from the imaging plane which gives it a maximum magnification of 0.21X. The lens offers a Quick-Shift AF system which lets the user simply rotate the focus-ring to focus manually. While this lens is capable of AF, it does not have a built-in focus motor. It can only focus with a compatible camera body which features a mechanical AF-coupling.

This lens is only available for Pentax 645. Follow this link for all current compatible digital cameras: Pentax 645 mount cameras with 645D (0.8X) sensors.

Pentax 645 HD DA 28-45mm F/4.5 ED AW SR

Pentax 645 HD DA 28-45mm F/4.5 ED AW SR Specifications

Brand Pentax Model 645 HD DA 28-45mm F/4.5 ED AW SR
Mount Pentax 645 Max FLM 0.8X
Focal Range 28 - 45mm View Angle 89 - 63°
Max ApertureF/4.5Min ApertureF/32
Min Focus40cmMagnification0.21X
Filter Size82mm Aperture Blades9
Size (D x L)99 x 152mm Weight1470g
TiltN / A ShiftN / A
Stabilization Built-In ProtectionWeatherproof
Zoom Drive Mechanic Focus Drive AF with Quick-Shift
Zoom Mechanism External Focus Mechanism External
Hood Bayonet Focus Motor External
Perspective RectilinearIntroduced2014-08-04

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Pentax 28-45mm F/4.5 Facts


Image Stabilized LensImage Stabilized LensWeatherproof - Seals protect from dust, humidity and light splashing.Weatherproof - Seals protect from dust, humidity and light splashing.Zoom LensZoom LensRectilinear are normal lenses that show straight lines as straight lines.Rectilinear are normal lenses that show straight lines as straight lines.Thread size in milimeters for screw-on filters.Thread size in milimeters for screw-on filters.82Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).
28-45mm Focal-Range F/4.5 Constant Aperture
82mm Filter Thread AF with Quick-Shift
Pentax 645 Mount 0.8 Max Crop-Factor
1470g Lens Weight 99 x 152mm (D x L)
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