Sigma 24mm f/2 DG DN Contemporary vs Sony E PZ 10-20mm f/4 G

The bottom line

These cover different focal lengths — the Sigma 24mm f/2 DG DN Contemporary is 24mm, the Sony E PZ 10-20mm f/4 G is 10-20mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 24mm f/2 DG DN Contemporary for standard, the Sony E PZ 10-20mm f/4 G for wide-angle.

Choose the Sigma 24mm f/2 DG DN Contemporary if…

  • You want more light and background blur — f/2 is faster than f/4, better for low light and subject separation.
  • You prefer a fast, compact single focal length — a 24mm prime over a zoom.

Choose the Sony E PZ 10-20mm f/4 G if…

  • You shoot wide — it starts at 10mm vs 24mm for landscapes, interiors and architecture.
  • You want one-lens flexibility — a 10-20mm zoom covers what the fixed 24mm can't reframe.
  • You value portability — at 143g (5.0 oz) it's lighter than the 370g (13.1 oz) alternative for travel and all-day carry.
  • You use filters or shoot video — internal zoom keeps length and balance constant.

Where they differ

  • Aperture: the Sigma 24mm f/2 DG DN Contemporary opens to f/2 vs the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower depth-of-field.
  • Focal range: Sigma 24mm f/2 DG DN Contemporary is 24mm, Sony E PZ 10-20mm f/4 G is 10-20mm — different framing and reach.
  • Type: the Sony E PZ 10-20mm f/4 G is a zoom (flexible framing), the Sigma 24mm f/2 DG DN Contemporary a prime (one focal length, usually brighter and lighter).
  • Price: the Sigma 24mm f/2 DG DN Contemporary is $549, $100 under the Sony E PZ 10-20mm f/4 G.
  • Weight: the Sony E PZ 10-20mm f/4 G is 143g (5.0 oz) vs 370g (13.1 oz) — you'll feel the difference handheld.

Frequently asked

Is the Sigma 24mm f/2 DG DN Contemporary or the Sony E PZ 10-20mm f/4 G better?

These cover different focal lengths — the Sigma 24mm f/2 DG DN Contemporary is 24mm, the Sony E PZ 10-20mm f/4 G is 10-20mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 24mm f/2 DG DN Contemporary for standard, the Sony E PZ 10-20mm f/4 G for wide-angle.

Who should choose the Sigma 24mm f/2 DG DN Contemporary?

Choose the Sigma 24mm f/2 DG DN Contemporary if you want more light and background blur — f/2 is faster than f/4, better for low light and subject separation. Choose it if you prefer a fast, compact single focal length — a 24mm prime over a zoom.

Who should choose the Sony E PZ 10-20mm f/4 G?

Choose the Sony E PZ 10-20mm f/4 G if you shoot wide — it starts at 10mm vs 24mm for landscapes, interiors and architecture. Choose it if you want one-lens flexibility — a 10-20mm zoom covers what the fixed 24mm can't reframe. Choose it if you value portability — at 143g (5.0 oz) it's lighter than the 370g (13.1 oz) alternative for travel and all-day carry. Choose it if you use filters or shoot video — internal zoom keeps length and balance constant.

What is the main difference between the Sigma 24mm f/2 DG DN Contemporary and the Sony E PZ 10-20mm f/4 G?

Aperture: the Sigma 24mm f/2 DG DN Contemporary opens to f/2 vs the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length24mm10-20mm
Lens TypePrimeZoom
Optical Elements129
Optical Groups107
Aperture & Iris
Maximum Aperturef/2f/4
Minimum Aperturef/16f/22
Aperture Blades97
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameAPS-C
Lens MountSony ESony E
Angle of View84°110° – 71°
35mm Equivalent15-30mm
Focus
AutofocusYesYes
Focus MotorHLALinear
Focus LimiterNoNo
AF/MF SwitchYesNo
Min Focus Distance24 cm15 cm
Max Magnification0.17x0.21x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesNo
Declickable ApertureYesNo
ParfocalNoNo
Internal ZoomNoYes
General
Price (MSRP)$549$649
Filter Size62mm55mm
Diameter72.2mm63mm
Length85.7mm46.9mm
Weight370g (13.1 oz)143g (5.0 oz)
Weather SealedYesYes
Tripod CollarNoNo