Sirui Astra Series T1.8 1.33x 100mm Full-Frame Anamorphic 100mm
Combining autofocus with anamorphic optics, this 100mm T1.8 lens delivers a 2.4:1 widescreen image without cropping, thanks to its 1.33x squeeze and expansive 44mm full-frame image circle. Its neutral streak flares provide subtle cinematic character without strong color casts, and the lens weighs just 680g for comfortable handheld shooting. This lens is ideal for solo filmmakers and gimbal operators seeking cinematic widescreen portraits with reliable autofocus and flattering compression.
Snapshot
Pros & Cons
Pros
- Strong bokeh (89th percentile) 89th
- Strong aperture (70th percentile) 70th
- Strong optical (70th percentile) 70th
Cons
- Below average versatility (34th percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Focal Length Min | 100 |
| Focal Length Max | 100 |
| Elements | 18 |
| Groups | 13 |
Aperture
| Diaphragm Blades | 13 |
Build
| Mount | Sony E |
| Format | Full-Frame (44 mm Image Circle) |
| Weight | 0.7 kg / 1.5 lbs |
| Filter Thread | 67 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 700 |
vs Competition
| Spec | Sirui Astra Series T1.8 1.33x 100mm Full-Frame Anamorphic 100mm | Nikon NIKKOR Z 17-28mm f/2.8 | Tamron Di III 28-75mm f/2.8 VXD G2 | Sigma Contemporary 10-18mm f/2.8 DC DN | Panasonic Leica DG Vario-Elmarit H-ES12060 | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|---|---|---|---|
| Focal Length | 100mm | 17-28mm | 28-75mm | 10-18mm | 12-60mm | 28-70mm |
| Max Aperture | - | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/22 |
| Mount | Sony E | Nikon Z | Sony E | Sony E | Micro Four Thirds | Canon RF |
| Stabilization | false | false | false | false | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 680 | 450 | 540 | 260 | 320 | 495 |
| AF Type | Autofocus | Stepping Motor | VXD | Autofocus | linear motor | STM |
| Lens Type | - | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Sirui Astra Series T1.8 1.33x 100mm Full-Frame Anamorphic 100mm | 54.6 | 89.1 | 39.5 | 49.4 | 69.9 | 70.1 | 33.6 | 38 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87 | 88.2 | 73.6 | 86.3 | 87 | 85.9 | 68.1 | 38 |
| Tamron Di III 28-75mm f/2.8 VXD G2 Compare | 54.6 | 88.2 | 67.3 | 87.3 | 87.8 | 85.9 | 78.2 | 38 |
| Sigma Contemporary 10-18mm f/2.8 DC DN Compare | 54.6 | 83.6 | 87.4 | 93.3 | 81.6 | 85.9 | 69.1 | 38 |
| Panasonic Leica DG Vario-Elmarit H-ES12060 Compare | 98 | 88.2 | 83.2 | 50.4 | 90.2 | 85.9 | 93.1 | 83.2 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87 | 26 | 70.2 | 80.4 | 85 | 22.6 | 77.2 | 98.5 |
Price
Value & Pricing
B&H Photo 1 offer From CA$1,170
We started tracking prices for this product on May 30, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.