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Tamron 100-400mm AFA035C Canon EF Telephoto Lens — main product image
Tamron 100-400mm AFA035C Canon EF Telephoto Lens
Tamron 100-400mm AFA035C Canon EF Telephoto Lens
Tamron 100-400mm AFA035C Canon EF Telephoto Lens
Tamron 100-400mm AFA035C Canon EF Telephoto Lens
Tamron 100-400mm AFA035C Canon EF Telephoto Lens
Tamron 100-400mm AFA035C Canon EF Telephoto Lens
Tamron

Tamron 100-400mm AFA035C Canon EF Telephoto Lens

★★★★★4.5 (8 reviews)
f/4.5

Lock onto distant wildlife or sideline action with tack-sharp reach — the Tamron 100-400mm delivers serious telephoto versatility without the serious weight penalty.

$779.95*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Tamron 100-400mm f/4.5-6.3 Di VC USD is built for photographers who want serious telephoto reach without committing to the cost and bulk of a prime super-telephoto. Wildlife shooters, sports photographers, and travelers working from Canon DSLRs will find it covers the most productive part of the telephoto range in a single, carry-anywhere lens. At 400mm with a capable Canon body, you have enough reach to isolate songbirds on branches, fill the frame with a linebacker, or compress a mountain landscape into a dramatic shot — the kind of creative range that previously demanded multiple lenses or a significant budget.

In the hand, the lens balances well on mid-size Canon bodies and the zoom action is smooth enough for controlled range changes during a shoot. The USD autofocus motor is quiet enough for video work and responsive enough for most wildlife scenarios in good light. Build quality is primarily plastic with a rubberized zoom ring that provides enough grip even in light rain, though the minimal weather sealing is worth noting if you regularly shoot in harsh conditions. The inclusion of a UV filter, lens cap keeper, and microfiber cloth in the bundle makes it a practical ready-to-shoot package, particularly for shooters just building out their telephoto kit.

Key Features

Tamron 100-400mm f/4.5-6.3 Di VC USD Lens for Canon EF

67mm Ultraviolet UV Filter

Lens Cap Keeper

MicroFiber Cloth

Specifications

Mount
Canon EF
Focal Length
100–400mm
Maximum Aperture
f/4.5–6.3
Optical Design
Three Low Dispersion Elements
Coatings
eBAND and Fluorine
Autofocus System
Ultrasonic Silent Drive (USD)
Image Stabilization
Vibration Compensation (VC)
Filter Thread
67mm
Bundle Includes
67mm UV Filter, Lens Cap Keeper, MicroFiber Cloth

Pros & Cons

👍 Pros

  • The compact, lightweight build makes it genuinely comfortable for a full day of wildlife or sports shooting where heavier telephoto primes would fatigue your arm by midday.
  • The 100-400mm zoom range covers everything from compressed environmental portraits to tight frame-filling wildlife shots without swapping glass.
  • Vibration Compensation allows sharp handheld frames at moderate shutter speeds, opening up shooting opportunities at dusk or in overcast conditions.
  • Three low-dispersion glass elements control chromatic aberration well, producing clean, high-contrast results on birds and feathers where fringing is typically a problem.
  • The eBAND and Fluorine coatings deliver strong flare resistance and a front element that wipes clean easily in dusty or humid field conditions.

👎 Cons

  • Maximum aperture of f/6.3 at 400mm limits autofocus reliability and requires higher ISO settings in anything less than bright outdoor light.
  • The plastic-heavy construction, while contributing to low weight, gives it a less premium feel than metal-barreled rivals and raises questions about long-term durability under hard field use.
  • Autofocus can hunt noticeably when tracking fast, erratic subjects against busy backgrounds — a real limitation at air shows or sports with complex backdrops.
  • Weather sealing is minimal — a single rear mount gasket is the extent of the moisture protection, making it a risky choice for shooting in rain or dusty environments without a lens cover.
  • Corner sharpness at 400mm wide open is soft enough to notice in critical evaluations, requiring you to stop down to f/8 to get the most out of the full frame area.

Frequently Asked Questions

Yes — the Canon EF mount version is fully compatible with both APS-C and full-frame Canon DSLRs. On a crop body you effectively get a 160-640mm equivalent reach, which is outstanding for birds in flight and wildlife at distance.
Tamron's VC provides meaningful stabilization, typically good for 3-4 stops of compensation. At 400mm, you'll still want a shutter speed of at least 1/400s for moving subjects, but static subjects and panning shots benefit noticeably — especially useful during slower-light situations like golden hour wildlife shooting.
The USD (Ultrasonic Silent Drive) motor is quick and near-silent, handling predictable motion well. It can struggle with erratic, fast-changing subjects — particularly birds cutting across complex backgrounds. For serious BIF work, it performs best in good light with clean backgrounds.
The lens accepts 67mm filters, and the included UV filter matches that thread directly. The UV filter is useful for protecting the front element in the field, though serious shooters may prefer a higher-grade multicoated option for maximum flare resistance.
The lens includes a zoom lock switch that locks it at 100mm — essential for travel or carrying the lens pointed downward. Without engaging the lock, some zoom creep can occur under gravity at the longer end, so it's a good habit to engage it when not actively shooting.

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