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Pentax smc DA 16-45mm F4 ED AL Review

Pentax smc DA 16-45mm F4 ED AL

Main Features

  • 16-45mm Focal Range
  • F4.0 Max Aperture
  • Filter Thread: 67mm
  • Max Format: APS-C / DX
  • Pentax 645AF2 Mount
  • Weight: 356g.
  • Diameter: 72mm
  • Length: 92mm
  • Min Focus Distance:0.28m
  • Max Magnification:0.25x
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Pentax 16-45mm F4 ED AL Overview

Pentax 16-45mm F4 ED AL is a Fixed aperture Auto Focus (AF) Standard Zoom lens with APS-C / DX max sensor coverage, and it is designed to be used with Pentax 645AF2 mount cameras.

What type of photography is the Pentax 16-45mm F4 ED AL lens good for?

The type of photography that you are planning to use the Pentax 16-45mm F4 ED AL is an important decision factor. Here we have evaluated its suitability to various photography scenarios:

Photography Type Suitability
Bird/WildlifeFair
SportsFair
PortraitGood
TravelGood
StreetGood
WeddingGood
Walk AroundVery Good
VloggingGood
LandscapeVery Good
MacroAverage

Reasons to Buy Pentax smc DA 16-45mm F4 ED AL Lens

Here, we've included a summary of the advantages and disadvantages of the Pentax smc DA 16-45mm F4 ED AL lens in a list form to help you determine whether it offers the features you need.

PROs
Autofocus
Distance Scale
DoF(Depth of Field) Scale
Hood supplied
Full-time Manual Focusing
Fast Aperture at Tele end
Constant f4 aperture throughout the range
Minimum focus distance of 0.28m / 11.0 inch
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Buy Pentax 16-45mm F4 ED AL from Amazon or B&H PHOTO


CONs
Lens Extents while zooming

Lens Mount

Pentax 16-45mm F4 ED AL is compatible with cameras that have Pentax 645AF2 lens mount. Some of the latest released cameras that are compatible with the Pentax 645AF2 lenses are , and .

Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. Pentax 16-45mm F4 ED AL has a maximum diameter of 72mm and total length of 92mm when not extended . It weighs 356g / 12.6 oz.

Pentax 16-45mm F4 ED AL has a filter thread of 67mm.

Focal Range

Pentax 16-45mm F4 ED AL has a focal range of 16-45mm and 2.8X zoom ratio which has a 35mm equivalent focal range of 24-67.5mm when used on a APS-C / DX format camera.

Optical Image Stabilization

Pentax 16-45mm F4 ED AL doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).

Zoom Method

Pentax 16-45mm F4 ED AL features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.

Maximum Magnification Ratio

Pentax 16-45mm F4 ED AL has a Max Magnification Ratio of 0.25x and has a minimum focusing distance of 0.28m. For a non-macro lens, the 0.25x is considered a high magnification and will come handy for close-up shots.

Aperture

Pentax 16-45mm F4 ED AL is a fixed aperture lens with a constant max aperture of f4 from 16mm all the way to the 45mm .

Focal Length Max Aperture Min Aperture
16mm F4 F22
45mm F4 F22

Optical Formula

Pentax 16-45mm F4 ED AL's optical formula consists of 13 elements in 10 groups . Following special elements are used in this design:

  • 1 ED glass element
  • 2 aspherical elements

Lens Hood

Pentax 16-45mm F4 ED AL comes with a removable petal shaped lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is PH-RBL.

Body Colour

Pentax 16-45mm F4 ED AL is available in Black color.

Popular Comparisons of Pentax 16-45mm F4 ED AL

Here is the eight most popular comparisons of Pentax 16-45mm F4 ED AL amongst Camera Decision readers.

Top Alternatives of Pentax 16-45mm F4 ED AL Lens
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Pentax smc DA 18-135mm F3.5-5.6ED AL IF DC WR Lens Pentax smc DA 18-135mm F3.5-5.6ED AL IF DC WR
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APS-C / DX 230gr AF Amazon B&H Photo
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APS-C / DX 395gr AF Amazon B&H Photo
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35mm FF 980gr MF Amazon B&H Photo
Canon EF 16-35mm F2.8L III USM Lens Canon EF 16-35mm F2.8L III USM
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35mm FF 790gr AF Amazon B&H Photo
Pentax smc DA 16-50mm F2.8 ED AL IF SDM Lens Pentax smc DA 16-50mm F2.8 ED AL IF SDM
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APS-C / DX 565gr AF Amazon B&H Photo
HD Pentax-DA 20-40mm F2.8-4 ED Limited DC WR Lens HD Pentax-DA 20-40mm F2.8-4 ED Limited DC WR
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APS-C / DX 283gr AF Amazon B&H Photo
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35mm FF 635gr AF Amazon B&H Photo

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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Pentax 16-45mm F4 ED AL Detailed Specifications


General
Brand Pentax
Lens Type Zoom
Lens Type Standard Zoom
Lens Mount Pentax 645AF2
Max Format APS-C / DX
Focal Range 16-45mm
Image Stabilization No
Colour Black
Zoom Method Rotary (extending)
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 2.8X
APERTURE
Max Aperture F4.0
Min Aperture F22.0
Aperture Ring No
Diaphragm Blades 6
Optics
Optical Elements 13
Optical Groups 10
Special Elements 1 ED glass element 2 aspherical elements

FOCUSING
Min Focus Distance 0.28m
Max Magnification 0.25X
Autofocus Yes
AF Motor Type Screw drive from camera
Full Time Manual Yes
Focus Method Extending front
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 356g
Diameter 72mm
Length 92mm
Weather Sealing Unknown
Filter Thread 67mm
Filter Notes -
Hood Supplied Yes
Hood Code PH-RBL
Tripod Collar No
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Frequently Asked Questions about Pentax smc DA 16-45mm F4 ED AL
is the Pentax smc DA 16-45mm F4 ED AL a Weather Sealed lens?
What is the Minimum Focusing Distance of Pentax smc DA 16-45mm F4 ED AL
is the Pentax smc DA 16-45mm F4 ED AL an Autofocus (AF) lens?
What is the Filter Thread Size of Pentax smc DA 16-45mm F4 ED AL
Does Pentax smc DA 16-45mm F4 ED AL have Image Stabilization?
Does Pentax smc DA 16-45mm F4 ED AL have Aperture Ring?
What is the Maximum Magnification Ratio of Pentax smc DA 16-45mm F4 ED AL
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