Pentax D FA 28-105MM F3.5-5.6ED DC WR

Pentax D FA 28-105MM F3.5-5.6ED DC WR

Pentax
61 Overall Score
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm

Tamron
100 Overall Score

What Buyers Say

Pentax D FA 28-105MM F3.5-5.6ED DC WR

85 out of 100 high confidence 34 reviews

The Pentax HD D FA 28-105mm f/3.5-5.6 ED DC WR lens is widely praised as an exceptional value, delivering sharpness and clarity that rivals or exceeds more expensive zooms like the 24-70mm f/2.8. Users consistently highlight its compact size, light weight, weather resistance, and versatile focal range as ideal for travel and everyday photography on full-frame K-1 cameras. While a few note the variable aperture as a minor limitation, the consensus is that this lens punches far above its price point and is a no-brainer for Pentax shooters.

Pros
  • Exceptional sharpness for the price
  • Compact and lightweight design
  • Weather-resistant construction
  • Versatile 28-105mm focal range
  • Great value for money
Cons
  • Variable aperture (f/3.5-5.6)
  • Slightly narrow at wide end (28mm vs 24mm)
  • Zoom ring requires slight effort
  • No infinity focus indicator
👍 Value for money 12
👍 Image quality 14
👍 Build quality 8
👍 Size and weight 10
👍 Weather resistance 5
🤔 Aperture speed 6

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm

92 out of 100 medium confidence 13 reviews

The Tamron 28-300mm super-zoom wins praise for its lightweight design, versatile focal range, and solid image quality. Users appreciate the compact build and smooth zoom mechanism, but note the slow aperture and trade-offs in sharpness compared to more expensive zooms. Verified reviewers find it an ideal travel lens that pairs well with Sony bodies.

Pros
  • Lightweight design
  • Versatile 28-300mm focal range
  • Smooth zoom ring operation
  • Compact build for travel
  • Good integration with Sony bodies
Cons
  • Small maximum aperture (f/4-7.1)
  • Reduced sharpness vs. premium zooms
  • Not an internal zoom lens
  • Slow autofocus at high fps on some bodies
👍 Build quality 3
🤔 Sharpness 3
👎 Aperture 2
👍 Weight and portability 3
👍 Zoom range 4
👎 Autofocus performance 1

Scores

Macro
Pentax
52
Tamron
91
Budget
Pentax
60
Tamron
91
Landscape
Pentax
63
Tamron
90
Portrait
Pentax
42
Tamron
87
Professional
Pentax
50
Tamron
85
Wildlife Sports
Pentax
50
Tamron
84
Travel
Pentax
67
Tamron
84
Street
Pentax
51
Tamron
82
Video Cinema
Pentax
43
Tamron
80

Specifications

Pentax D FA 28-105MM F3.5-5.6ED DC WRTamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
Optics
Typezoomzoom
Focal Length Min28 mm28 mm
Focal Length Max105 mm300 mm
Elements1520
Groups1113
Aspherical Elements—3★
ED Elements—2★
CoatingSuper Protect & HD Multi-Layer Coatingsfluorine coating
Aperture
Max Aperture22-32★f/4
Min Aperture3.5-5.64-7.1
Constant✗✗
Diaphragm Blades99
Build
MountPentax KSony E
Formatfull-framefull-frame
Weather Sealed✓✓
Weight0.44 kg★0.59 kg
Filter Thread62 mm67 mm
AF & Stabilization
AF TypeSupersonic Direct-Drive AF MotorVXD linear motor★
Stabilization✗✓★
Focus
Min Focus Distance500 mm190 mm★
Max Magnification1:4.551:2.8

Pros & Cons

Pentax D FA 28-105MM F3.5-5.6ED DC WR

  • Strong versatility (86th percentile)86th %ile
  • Strong social proof (77th percentile)
  • Strong build (75th percentile)
  • Strong optical (69th percentile)
  • Below average aperture (22nd percentile)
  • Below average bokeh (25th percentile)
  • Below average stabilization (34th percentile)

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm

  • Strong versatility (98th percentile)98th %ile
  • Strong af (98th percentile)98th %ile
  • Strong optical (96th percentile)96th %ile
  • Strong user sentiment (92nd percentile)92nd %ile

Pricing

Pentax D FA 28-105MM F3.5-5.6ED DC WR

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm

No current pricing available

Verdict

★ Winner: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm

Scores 100 overall, wins 9 of 9 usage categories and 5 of 21 specs.

Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm Better at:

MacroBudgetStreetTravelPortraitLandscapeProfessionalVideo CinemaWildlife Sports

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