Sigma 135mm F1.4 DG | Art (L-Mount) vs Sigma 135mm F1.8 DG HSM | Art (L-Mount)
Key differences
- —The 135mm F1.8 DG HSM | Art (L-Mount) is 210g lighter (1220g vs 1430g).
- —The 135mm F1.4 DG | Art (L-Mount) is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
- —At launch the 135mm F1.8 DG HSM | Art (L-Mount) cost $500 less ($1,399 vs $1,899).
- —For close-ups the 135mm F1.8 DG HSM | Art (L-Mount) reaches 0.20× vs 0.14×.
Which to choose
- 135mm F1.4 DG | Art (L-Mount)
Choose it for:
- +The brightest aperture: f/1.4, about 0.7 stop more light
- +Weather sealing
- +A physical aperture ring
- +The nicest background blur in reviews
- +The fastest autofocus in reviews
- 135mm F1.8 DG HSM | Art (L-Mount)
Choose it for:
- +The lightest option: 1220g, 210g less than the next
- +The best close-ups: 0.20× magnification
- +The lowest launch price: $1,399, $500 less
Computed from published specs, confirmed launch prices and, where every lens has at least two reviews, review scores.
- Mount
- L-Mount (FF)
- L-Mount (FF)
- Focal length
- 135mm
- 135mm
- Max aperture
- F1.4◆
- F1.8
- Weight
- 1,430g
- 1,220g◆
- Dimensions ⌀ × L
- 111.7 × 135.5mm
- 91.4 × 138.9mm
- Volume
- 1328 cm³
- 911 cm³◆
- Density
- 1.08 g/cm³
- 1.34 g/cm³
- Filter thread
- ⌀105mm
- ⌀82mm
- Min focus
- 1.10m
- 0.88m◆
- Max magnification
- 0.14×
- 0.20×◆
- Elements / groups
- 17 / 13
- 13 / 10
- Aperture blades
- 13◆
- 9
- Focus drive
- Dual HLA (High-response Linear Actuator)
- HSM (Hyper Sonic Motor)
- Stabilisation
- —
- —
- Weather sealed
- Yes
- —
- Aperture ring
- Yes · de-click
- —
- Released
- 2025
- 2019
- MSRP (USD)
- $1,899
- $1,399◆
- Sharpness
- 9.4◆
- 9.3
- Bokeh Rendering
- 9.7◆
- 9.0
- Autofocus Speed
- 8.9◆
- 7.6
- Flare Resistance
- 8.9
- —
- Build / Sealing
- 9.1◆
- 8.4
- Value / Size
- 8.6◆
- 8.2
Performance overlay
- 135mm F1.4 DG | Art (L-Mount)
- 135mm F1.8 DG HSM | Art (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.