Canon Extender 4409B002 1mm
Focal length 1mm
Aperture f/1.4
Mount Canon EF
Weather Sealed Yes
Weight 225 g
lens type super-telephoto
59 Overall Score
Price ¥109,070
Snapshot
Pros & Cons
Pros
- Strong aperture (96th percentile) 96th
- Strong bokeh (94th percentile) 94th
- Strong build (90th percentile) 90th
Cons
- Below average macro (14th percentile)
- Below average versatility (34th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has improved over time
Based on 4 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Super-telephoto |
| Focal Length Min | 1 |
| Focal Length Max | 1 |
| Elements | 7 |
| Groups | 3 |
| Coating | Super Spectra coating |
Aperture
| Max Aperture | f/1.4 |
| Min Aperture | f/1 |
Build
| Mount | Canon EF |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.2 kg / 0.5 lbs |
AF & Stabilization
| Stabilization | No |
Focus
| Max Magnification | 1.4x |
vs Competition
| Spec | Canon Extender 4409B002 1mm | OM System M.Zuiko Digital ED 12-100mm f/4 IS PRO | Sigma Contemporary 28-70mm f/2.8 DG DN | Nikon NIKKOR AF-S NIKKOR 16-35mm f/4G ED VR | Sony FE SELP1635G | TTArtisan AF 75mm F2 |
|---|---|---|---|---|---|---|
| Focal Length | 1mm | 12-100mm | 28-70mm | 16-35mm | 16-35mm | 75mm |
| Max Aperture | f/1.4 | f/4 | f/2.8 | f/4 | f/22 | f/2 |
| Mount | Canon EF | Micro Four Thirds | Sony E | Nikon F | Sony E | Fujifilm X |
| Stabilization | false | true | false | true | true | true |
| Weather Sealed | true | true | false | false | true | false |
| Weight (g) | 225 | 561 | 470 | 680 | 353 | 329 |
| AF Type | - | Autofocus | stepping motor | Silent Wave Motor | XD Linear Motors | STM |
| Lens Type | super-telephoto | zoom | zoom | zoom | zoom | prime |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Canon Extender 4409B002 1mm | 53.7 | 93.6 | 89.6 | 13.9 | 39.1 | 96.1 | 33.6 | 56.8 | 36.7 |
| OM System M.Zuiko Digital ED 12-100mm f/4 IS PRO Compare | 53.7 | 62.9 | 68.6 | 56.5 | 96.8 | 64.6 | 96.6 | 64.4 | 96.9 |
| Sigma Contemporary 28-70mm f/2.8 DG DN Compare | 87.6 | 85.7 | 59 | 94.9 | 94.4 | 82.8 | 77.3 | 29.5 | 36.7 |
| Nikon NIKKOR AF-S NIKKOR 16-35mm f/4G ED VR Compare | 53.7 | 76.4 | 43.9 | 72.9 | 92.9 | 64.6 | 75 | 73.8 | 73.4 |
| Sony FE SELP1635G Compare | 98.2 | 13.2 | 82.2 | 42.4 | 83.7 | 20.1 | 75 | 90.1 | 95.4 |
| TTArtisan AF 75mm F2 Compare | 87.6 | 92 | 73.1 | 94.2 | 58 | 89.4 | 33.6 | 15.9 | 82.4 |
Price
Value & Pricing
From ¥109,070
Amazon.co.jp 1 offer From ¥109,070
We started tracking prices for this product on Jul 22, 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.
