Laowa 105mm f/2 Smooth Trans Focus (STF) vs Sigma 105mm F1.4 DG HSM | Art
Key differences
- —The 105mm f/2 Smooth Trans Focus (STF) is 975g lighter (745g vs 1720g).
- —The 105mm F1.4 DG HSM | Art is faster: f/1.4 vs f/2 (≈1.0 stops more light).
- —At launch the 105mm f/2 Smooth Trans Focus (STF) cost $900 less ($699 vs $1,599).
- —The 105mm f/2 Smooth Trans Focus (STF) is manual focus only.
- —For close-ups the 105mm f/2 Smooth Trans Focus (STF) reaches 0.16× vs 0.12×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 105mm
- 105mm
- Max aperture
- F2
- F1.4◆
- Weight
- 745g◆
- 1,720g
- Dimensions ⌀ × L
- 76.0 × 126.0mm
- 115.9 × 157.5mm
- Volume
- 572 cm³◆
- 1662 cm³
- Density
- 1.30 g/cm³
- 1.04 g/cm³
- Filter thread
- ⌀67mm
- ⌀105mm
- Min focus
- 0.90m◆
- 1.00m
- Max magnification
- 0.16×◆
- 0.12×
- Elements / groups
- 11 / 8
- 17 / 12
- Aperture blades
- 14◆
- 9
- Focus drive
- Manual Helicoid
- HSM (Hyper Sonic Motor)
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes · de-click
- —
- Released
- 2016
- 2018
- MSRP (USD)
- $699◆
- $1,599
- Sharpness
- 8.6
- 9.3◆
- Bokeh Rendering
- 9.0
- 9.6◆
- Autofocus Speed
- MF
- 7.3
- Flare Resistance
- 6.0
- 8.3◆
- Build / Sealing
- 8.5
- 8.8◆
- Value / Size
- 8.3◆
- 7.8
Performance overlay
- 105mm f/2 Smooth Trans Focus (STF)
- 105mm F1.4 DG HSM | Art
◆ marks the best value in a row. Scores are 0–10 editorial ratings.