CameraDecision
  • CAMERAS
  • LENSES
  • TOOLS
    • Smart Find
    • 1-on-1 Comparison
  • BRANDS
    • Sony Cameras
    • Canon Cameras
    • Nikon Cameras
    • Pentax Cameras
    • Fujifilm Cameras
    • Olympus Cameras
    • Panasonic Cameras
    • Leica Cameras
    • Samsung Cameras
  • BODY TYPE
    • Mirrorless Cameras
    • DSLR Cameras
    • Compact Cameras
    • Bridge Cameras
    • Waterproof Cameras
Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF Pentax KAF Review
Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF

Main Features

  • 17-50mm Focal Range
  • F2.8 Max Aperture
  • Filter Thread: 67mm
  • Max Format: APS-C / DX
  • Pentax KAF Mount
  • Weight: 430g.
  • Diameter: 74mm
  • Length: 82mm
  • Min Focus Distance:0.27m
  • Max Magnification:0.22x
CHECK PRICE

CHECK PRICE

Compare To

x
Add a Camera for comparison
Tamron 17-50mm f2.8 XR II LD Overview
Tamron 17-50mm f2.8 XR II LD is an Auto Focus (AF) Standard Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF mount cameras.

Lens Mount

Tamron 17-50mm f2.8 XR II LD is compatible with cameras that have Pentax KAF lens mount.Some of the latest released cameras with Pentax KAF lens mount are Pentax KP, Pentax K-70 and Pentax K-3 II.

Sensor Coverage

Max sensor coverage of Tamron 17-50mm f2.8 XR II LD is APS-C / DX.

Focal Range

Tamron 17-50mm f2.8 XR II LD has a focal range of 17-50mm and 2.9X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 25.5 - 75mm.

Body Colour

Black

Zoom Method

Rotary (extending)

Zoom Lock

Tamron 17-50mm f2.8 XR II LD has a Zoom lock feature which eliminates Zoom creep where focal length of the lens changes with gravity when it's held downwards or upwards.

Aperture

Tamron 17-50mm f2.8 XR II LD has a constant max aperture of f2.8 from 17mm all the way to the 50mm .
Pros and Cons of Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF

PROs
Built-in Autofocus
Hood supplied
Zoom Lock
Fast and Bright at Wide end
Fast and Bright at Tele end
Constant f2.8 Aperture throughout the range

CONs
Lens Extents while focusing
Tamron 17-50mm f2.8 XR II LD Detailed Specifications

General
Brand Tamron
Lens Type Zoom
Lens Type Standard Zoom
Lens Mount Pentax KAF
Max Format APS-C / DX
Focal Range 17-50mm
Image Stabilization No
Colour Black
Zoom Method Rotary (extending)
Power Zoom No Zoom
Zoom Lock Yes
Zoom Ratio 2.9X
APERTURE
Max Aperture F2.8
Min Aperture F32.0
Aperture Ring No
Diaphragm Blades 7
Optics
Optical Elements 16
Optical Groups 13
Special Elements 2 hybrid aspherical elements 1 LD (Low Dispersion) glass element 1 XR (Extra Refractive) element

FOCUSING
Min Focus Distance 0.27m
Max Magnification 0.22X
Autofocus Yes
AF Motor Type Micromotor
Focus Method Internal
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 430g
Diameter 74mm
Length 82mm
Weather Sealing Unknown
Filter Thread 67mm
Filter Notes -
Hood Supplied Yes
Hood Code flower shaped hood
Tripod Collar No
Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
Pentax DA 18-50mm F4.5-5.6 DC WR RE Lens Pentax DA 18-50mm F4.5-5.6 DC WR RE
Compare
APS-C / DX 158gr AF 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 225gr AF Amazon B&H Photo
Pentax smc DA 18-55mm F3.5-5.6 AL WR Lens Pentax smc DA 18-55mm F3.5-5.6 AL WR
Compare
APS-C / DX 230gr AF Amazon B&H Photo
Pentax smc DA 18-55mm F3.5-5.6 ED AL II IF Lens Pentax smc DA 18-55mm F3.5-5.6 ED AL II IF
Compare
APS-C / DX 220gr 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
Compare
APS-C / DX 283gr 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
Compare
APS-C / DX 565gr AF Amazon B&H Photo
Samsung D-Xenon 16-45mm F4 Lens Samsung D-Xenon 16-45mm F4
Compare
APS-C / DX 365gr AF Amazon B&H Photo
Samsung D-Xenon 18-55mm F3.5-5.6 Lens Samsung D-Xenon 18-55mm F3.5-5.6
Compare
APS-C / DX 225gr AF Amazon B&H Photo
Sigma 17-50mm F2.8 EX DC OS HSM Lens Sigma 17-50mm F2.8 EX DC OS HSM
Compare
APS-C / DX 565gr AF Amazon B&H Photo
Sigma 18-50mm F2.8-4.5 DC OS HSM Lens Sigma 18-50mm F2.8-4.5 DC OS HSM
Compare
APS-C / DX 395gr AF Amazon B&H Photo
Frequently Asked Questions about Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
is the Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF a Weather Sealed lens?
What is the Minimum Focusing Distance of Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
is the Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF an Autofocus (AF) lens?
What is the Filter Thread Size of Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
Does Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF have Image Stabilization?
Does Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF have Aperture Ring?
What is the Maximum Magnification Ratio of Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
FOLLOW US


Latest Pentax KAF Lenses
HD Pentax-FA 31mm F1.8 Limited
HD Pentax-FA 31mm F1.8 Limited
31mm | F1.8 Wideangle Prime
HD Pentax-FA 43mm F1.9 Limited
HD Pentax-FA 43mm F1.9 Limited
43mm | F1.9 Standard Prime
HD Pentax-FA 77mm F1.8 Limited
HD Pentax-FA 77mm F1.8 Limited
77mm | F1.8 Telephoto Prime
Irix 45mm F1.4
Irix 45mm F1.4
45mm | F1.4 Standard Prime
Pentax-D FA 85mm F1.4 ED SDM AW
Pentax-D FA 85mm F1.4 ED SDM AW
85mm | F1.4 Telephoto Prime
Pentax FA 70-210mm F4 ED SDM WR
Pentax FA 70-210mm F4 ED SDM WR
70-210mm | F4 Telephoto Zoom
HD Pentax-DA 10-17mm F3.5-4.5 ED fisheye
HD Pentax-DA 10-17mm F3.5-4.5 ED fisheye
10-17mm | F3.5-4.5 Wideangle Zoom
Venus Laowa 100mm F2.8 2X Ultra Macro APO
Venus Laowa 100mm F2.8 2X Ultra Macro APO
100mm | F2.8 Macro Prime
Venus Laowa 105mm F2 Smooth Trans Focus
Venus Laowa 105mm F2 Smooth Trans Focus
105mm | F2 Telephoto Prime
Venus Laowa 25mm F2.8 2.5-5X Ultra Macro
Venus Laowa 25mm F2.8 2.5-5X Ultra Macro
25mm | F2.8 Macro Prime
Most Popular Lenses
Nikon AF Nikkor 70-300mm f4-5.6G
Nikon AF Nikkor 70-300mm f4-5.6G
70-300mm | F4.0 - F5.6 Telephoto Zoom
Nikon AF-S Nikkor 50mm f1.4G
Nikon AF-S Nikkor 50mm f1.4G
50mm | F1.4 Standard Prime
Sony FE 24-240mm F3.5-6.3 OSS
Sony FE 24-240mm F3.5-6.3 OSS
24-240mm | F3.5 - F6.3 SuperZoom
Sigma 18-300 F3.5-6.3 DC Macro OS HSM
Sigma 18-300 F3.5-6.3 DC Macro OS HSM
18-300mm | F3.5 - F6.3 SuperZoom
Sony FE 24-70mm F4 ZA OSS Carl Zeiss Vario Tessar T
Sony FE 24-70mm F4 ZA OSS Carl Zeiss Vario Tessar T
24-70mm | F4.0 Standard Zoom
Nikon AF Nikkor 80-400mm f4.5-5.6D ED VR
Nikon AF Nikkor 80-400mm f4.5-5.6D ED VR
80-400mm | F4.5 - F5.6 Telephoto Zoom
Sony E 55-210mm F4.5-6.3 OSS
Sony E 55-210mm F4.5-6.3 OSS
55-210mm | F4.5 - F6.3 Telephoto Zoom
Sony FE 70-200mm F4 G OSS
Sony FE 70-200mm F4 G OSS
70-200mm | F4.0 Telephoto Zoom
Pentax smc FA 50mm F1.4
Pentax smc FA 50mm F1.4
50mm | F1.4 Standard Prime
Tamron SP 150-600mm F5-6.3 Di VC USD
Tamron SP 150-600mm F5-6.3 Di VC USD
150-600mm | F5.0 - F6.3 Telephoto Zoom
Latest Compatible Cameras
Pentax KP
Pentax KP
24 MP | APS-C CMOS | Pentax KAF2 Mount
Pentax K-70
Pentax K-70
24 MP | APS-C CMOS | Pentax KAF2 Mount
Pentax K-3 II
Pentax K-3 II
24 MP | APS-C CMOS | Pentax KAF2 Mount
Pentax K-S2
Pentax K-S2
20 MP | APS-C CMOS | Pentax KAF2 Mount
Pentax K-S1
Pentax K-S1
20 MP | APS-C CMOS | Pentax KAF2 Mount
Copyright © 2021 by CameraDecision
About Feedback Privacy Cameras