Tamron 17-50mm f/2.8 Di II

Versatile fast-aperture standard zoom for APS-C sensors

Tamron 17-50mm f/2.8 Di II
79/100
LENS SCORE
Features 16
Performance 16
Durability 16
Price 14
Usability 17
Brand Tamron
Model A16

Key Features

FORMAT Designed exclusively for APS-C (Di II) sensors
APERTURE Constant f/2.8 maximum aperture throughout zoom range
OPTICS XR (Extra Refractive Index) glass and LD elements
FOCUS Internal Focusing (IF) system for consistent length
CONSTRUCTION Compact and lightweight design for travel
STABILIZATION N/A (Non-VC version)
DIAPHRAGM 7-blade circular aperture for smooth bokeh
MOUNT Available for Canon EF-S, Nikon F, Sony A, Pentax K
FILTER 67mm front filter thread
MAGNIFICATION 1:4.5 maximum magnification ratio
MIN FOCUS 27cm (10.6 inches) minimum focusing distance
WEATHER SEALING Standard build, no specific weather sealing rating
COMPATIBILITY Optimized for digital SLR APS-C sensors

The Most Important Rings & Switches — Tamron 17-50mm f/2.8 Di II

Ring / Switch / Control Status Note
Focus Ring ✓ Present
Zoom Ring ✓ Present
Aperture Ring ✗ Not Present
AF/MF Switch ✓ Present
Image Stabilisation Switch ✗ Not Present
Focus Limiter Switch ✗ Not Present
Function (L-Fn) Button ✗ Not Present
Zoom Lock Switch ✗ Not Present
Optical Image Stabilisation (OIS) ✗ Not Present
Weather Sealing ✗ Not Present

How-to Use Tamron 17-50mm f/2.8 Di II

Welcome to the How-to section of the lens. In this Light & Composition University website, each page for a lens has a how-to section and a section for learning. The rings, switches and controls of each lens are placed differently between brands and models. The how-to section helps you operate the lens; however, if you are interested in learning photography, you also need to know what each control changes and why you would change it. Click the “Learn” or scroll down.

Learn & Master Photography with Tamron 17-50mm f/2.8 Di II

For over a decade, we have been teaching photography following a university standard. No one does it better than us. We have a selection of courses, diplomas, graduate and post-graduate programs, as well as some of our best-selling university press publications, to guide you in the best possible way for your lens. Enroll in the fundamentals and then move to the genres you want to master.

Technical Specification

Lens Type Standard Zoom
Focal Length 17-50mm
Aperture f/2.8 - f/32
Lens Construction 16 elements in 13 groups
Angle of View 78u00b0 - 31u00b0
Diaphragm Blades 7
Min Focus Distance 0.27m
Max Magnification 1:4.5
Filter Size 67mm
Focus Motor Micro-motor (varies by mount)
Stabilization None
Weather Sealing No
Weight 430g
Dimensions 74mm x 82mm
Mounts Canon EF-S, Nikon F, Sony A, Pentax K