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Tamron AF 28-80mm F3.5-5.6 Aspherical KAF Mount Review

Tamron AF 28-80mm F3.5-5.6 Aspherical

Main Features

  • 28-80mm Focal Range
  • F3.5 - F5.6 Max Aperture
  • Filter Thread: 58mm
  • Max Format: 35mm FF
  • Pentax KAF Mount
  • Weight: 237g / 0.52 lb
  • Dimensions(øxL): 72mm x 70mm
  • Min Focus Distance: 0.7m
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Tamron AF 28-80mm f3.5-5.6 Overview


Tamron AF 28-80mm f3.5-5.6 is a Variable aperture Auto Focus (AF) Standard Zoom lens with 35mm FF max sensor coverage, and it is designed to be used with KAF Mount cameras.

What type of photography is the Tamron AF 28-80mm f3.5-5.6 lens good for?

The type of photography that you are planning to use the Tamron AF 28-80mm f3.5-5.6 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
Macro

Reasons to Buy Tamron AF 28-80mm F3.5-5.6 Aspherical Lens

Here we've included a summary of the advantages and disadvantages of the Tamron AF 28-80mm F3.5-5.6 Aspherical lens in a list form to help you determine whether it offers the features you need.

PROs
Autofocus
Aperture Ring
Hood supplied
Covers Full-Frame Sensor
Report a correction

Buy Tamron AF 28-80mm f3.5-5.6 from Amazon or B&H PHOTO


CONs
Lens Extends while zooming
Slow Aperture at Tele end
Variable Aperture


Lens Mount

Tamron AF 28-80mm f3.5-5.6 is compatible with cameras that have a Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III.

Tamron AF 28-80mm f3.5-5.6 is also available in Canon EF , Nikon F (FX) and Sony Alpha mounts.


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Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. Tamron AF 28-80mm f3.5-5.6 has a maximum diameter of 72mm and total length of 70mm when not extended. It weighs 237g / 8.4 oz.

Tamron AF 28-80mm f3.5-5.6 has a filter thread of 58mm. Below are links to the filters that we recommend you to consider for your Tamron AF 28-80mm f3.5-5.6:

  • 58mm Variable ND Lens Filters
  • 58mm Circular Polarizer Lens Filters
  • 58mm Clear Protection Lens Filters




Focal Range

Tamron AF 28-80mm f3.5-5.6 has a focal range of 28-80mm and 2.9X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 42 - 120mm.


Optical Image Stabilization

Tamron AF 28-80mm f3.5-5.6 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

Tamron AF 28-80mm f3.5-5.6 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.

Below are the 3 Standard Zoom type Pentax KAF mount lens alternatives with highest max magnification ratios:

  • Sigma 17-70mm F2.8-4 DC OS HSM: 0.37x - (Compare)
  • Sigma 17-70mm F2.8-4 DC OS HSM C: 0.36x - (Compare)
  • Pentax 18-55mm F3.5-5.6 AL: 0.34x - (Compare)

Aperture

Tamron AF 28-80mm f3.5-5.6 is a variable aperture lens with a max aperture of f3.5 and a minimum aperture of f22 at 28mm, and a max aperture of f5.6 and minimum aperture of f22 at 80mm .

Focal Length Max Aperture Min Aperture
28mm F3.5 F22
80mm F5.6 F22

Optical Formula

Tamron AF 28-80mm f3.5-5.6's optical formula consists of 7 elements in 7 groups .

Lens Hood

Tamron AF 28-80mm f3.5-5.6 comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.

Body Colour

Tamron AF 28-80mm f3.5-5.6 is available in Black color.

Popular Comparisons of Tamron AF 28-80mm f3.5-5.6

Here are the eight most popular comparisons of the Tamron AF 28-80mm f3.5-5.6 amongst Camera Decision readers.

Top Alternatives of Tamron AF 28-80mm f3.5-5.6 Lens
Model Coverage Weight Focusing Street Price
HD Pentax D FA 24-70mm F2.8 ED SDM WR Lens HD Pentax D FA 24-70mm F2.8 ED SDM WR
Compare
35mm FF 787 g / 1.73 lb AF Amazon B&H Photo
Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF Lens Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF
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35mm FF 510 g / 1.12 lb AF Amazon B&H Photo
Sigma 24-70mm F2.8 EX DG Macro Lens Sigma 24-70mm F2.8 EX DG Macro
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35mm FF 715 g / 1.57 lb AF Amazon B&H Photo
Sigma 18-35mm F1.8 DC HSM Lens Sigma 18-35mm F1.8 DC HSM
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APS-C / DX 810 g / 1.78 lb AF Amazon B&H Photo
Tamron AF 28-200mm F3.8-5.6 XR Di Aspherical IF Macro Lens Tamron AF 28-200mm F3.8-5.6 XR Di Aspherical IF Macro
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35mm FF 354 g / 0.78 lb AF Amazon B&H Photo
Rokinon 24mm f1.4 Aspherical Lens Rokinon 24mm f1.4 Aspherical
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35mm FF 580 g / 1.28 lb MF Amazon B&H Photo
Pentax smc DA 18-55mm F3.5-5.6 AL Lens Pentax smc DA 18-55mm F3.5-5.6 AL
Compare
APS-C / DX 225 g / 0.50 lb AF Amazon B&H Photo
Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF Lens Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
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APS-C / DX 430 g / 0.95 lb AF Amazon B&H Photo


**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.

Tamron AF 28-80mm F3.5-5.6 Aspherical Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
HD Pentax D FA 24-70mm F2.8 ED SDM WR Lens HD Pentax D FA 24-70mm F2.8 ED SDM WR
Compare
35mm FF 787 g / 1.73 lb AF Amazon B&H Photo
HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR Lens HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR
Compare
35mm FF 440 g / 0.97 lb AF Amazon B&H Photo
Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF Lens Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF
Compare
35mm FF 510 g / 1.12 lb AF Amazon B&H Photo
Sigma 24-70mm F2.8 EX DG HSM Lens Sigma 24-70mm F2.8 EX DG HSM
Compare
35mm FF 790 g / 1.74 lb AF Amazon B&H Photo
Sigma 24-70mm F2.8 EX DG Macro Lens Sigma 24-70mm F2.8 EX DG Macro
Compare
35mm FF 715 g / 1.57 lb AF Amazon B&H Photo

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Tamron AF 28-80mm f3.5-5.6 Detailed Specifications


General
Brand Tamron
Lens Type Zoom
Lens Type Standard Zoom
Lens Mount Pentax KAF
Max Format 35mm FF
Focal Range 28-80mm
Image Stabilization No
Colour Black
Zoom Method Rotary (extending)
Power Zoom No Zoom
Zoom Lock No
Zoom Ratio 2.9X
APERTURE
Max Aperture F3.5 - F5.6
Min Aperture F22.0
Aperture Ring Yes
Diaphragm Blades 6
Optics
Optical Elements 7
Optical Groups 7

FOCUSING
Min Focus Distance 0.7m
Max Magnification unknown
Autofocus Yes
AF Motor Type Micromotor
Focus Method Extending front
PHYSICAL SPECS
Weight 237g
Diameter 72mm
Length 70mm
Weather Sealing Unknown
Filter Thread 58mm
Filter Notes -
Hood Supplied Yes
Tripod Collar No
Report a Correction
Frequently Asked Questions about Tamron AF 28-80mm F3.5-5.6 Aspherical
is the Tamron AF 28-80mm F3.5-5.6 Aspherical a Weather-sealed lens?
What is the Minimum Focusing Distance of Tamron AF 28-80mm F3.5-5.6 Aspherical
is the Tamron AF 28-80mm F3.5-5.6 Aspherical an Autofocus (AF) lens?
What is the Filter Thread Size of Tamron AF 28-80mm F3.5-5.6 Aspherical
Does Tamron AF 28-80mm F3.5-5.6 Aspherical have Image Stabilization?
Does Tamron AF 28-80mm F3.5-5.6 Aspherical have Aperture Ring?


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