Irix 30 mm f/1.4 § 03 Head to head
Irix 30 mm f/1.4 vs Sigma A 30 mm f/1.4 DC HSM
Irix 30mm f/1.4 has a more aperture blades. Sigma 30mm f/1.4 is 428 g lighter.
The Irix 30 mm f/1.4 is a 30mm f/1.4 prime, and the Sigma A 30 mm f/1.4 DC HSM is a 30mm f/1.4 prime. On paper the Sigma A 30 mm f/1.4 DC HSM comes out ahead, 5 advantages to 3, but which one suits you depends on what you shoot.
Irix 30 mm f/1.4 
Sigma A 30 mm f/1.4 DC HSM 01
Key differences
Why is the Irix 30 mm f/1.4 better than the Sigma A 30 mm f/1.4 DC HSM?
- More aperture blades (11 vs 9)
- Covers a larger sensor format (full-frame vs APS-C)
- Newer design (2021 vs 2013)
Why is the Sigma A 30 mm f/1.4 DC HSM better than the Irix 30 mm f/1.4?
- 428 g lighter (435 g vs 863 g)
- 44 mm shorter (63.3 mm vs 107 mm long)
- Focuses 4 cm closer (0.3 m vs 0.34 m)
- Smaller filter thread (62 mm vs 86 mm)
- $176 cheaper ($499 launch price vs $675 list price)
02
Which should you buy?
- street For street photography, the Sigma A 30 mm f/1.4 DC HSM has the edge: it is 428 g lighter to carry.
- travel For travel, the Sigma A 30 mm f/1.4 DC HSM has the edge: it is 428 g lighter to carry.
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Specification
| Specification | Irix 30 mm f/1.4 | Sigma A 30 mm f/1.4 DC HSM |
|---|---|---|
| Focal length | 30mm | 30mm |
| Maximum aperture | f/1.4 | f/1.4 |
| Minimum aperture | f/16 | f/16 |
| Lens type | Prime lens | Prime lens |
| Format | Full frame | APS-C |
| Weight | 863 g | 435 g (15.34 oz) ◆ |
| Dimensions | 107 x 94 mm | 74.2 x 63.3 mm |
| Minimum focusing distance | 0.34 m | 0.3 m (11.81 inches) ◆ |
| Image stabilization | No | No |
| Weather sealing | Yes | — |
| Aperture ring | No | No |
| Aperture blades | 11 ◆ | 9 |
| Optical construction | 13 elements / 11 groups | 9 elements / 8 groups |
| Filter size | 86 mm | 62 mm ◆ |
| Lens mount | Canon EF, Nikon F, Pentax K | Nikon F, Sigma SA, Canon EF-S |
| Released | 2021 | 2013 |
| Price | $675 list price | $499 launch price ◆ |
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Size
- A · Irix
- B · Sigma
- 107 × 94 mm
- 63.3 × 74.2 mm
The Irix 30 mm f/1.4 is 44 mm longer and 428 g heavier than the Sigma A 30 mm f/1.4 DC HSM.
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Sample frames
Sigma A 30 mm f/1.4 DC HSM
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Video reviews
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Questions
- Which is lighter, the Irix 30 mm f/1.4 or the Sigma A 30 mm f/1.4 DC HSM?
- The Sigma A 30 mm f/1.4 DC HSM weighs 435 g, 428 g less than the Irix 30 mm f/1.4 (863 g).
- Which focuses closer, the Irix 30 mm f/1.4 or the Sigma A 30 mm f/1.4 DC HSM?
- The Sigma A 30 mm f/1.4 DC HSM focuses down to 0.3 m, against 0.34 m for the Irix 30 mm f/1.4.
- Do the Irix 30 mm f/1.4 and the Sigma A 30 mm f/1.4 DC HSM have image stabilization?
- No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
- Is the Irix 30 mm f/1.4 or the Sigma A 30 mm f/1.4 DC HSM better for street photography?
- For street photography, the Sigma A 30 mm f/1.4 DC HSM has the edge: it is 428 g lighter to carry.
- Is the Irix 30 mm f/1.4 or the Sigma A 30 mm f/1.4 DC HSM better for travel?
- For travel, the Sigma A 30 mm f/1.4 DC HSM has the edge: it is 428 g lighter to carry.