Kosiy 20100
Focal length 105mm
Weight 630 g
32 Overall Score
Price R$7,969
Snapshot
Pros & Cons
Pros
Cons
- Below average macro (14th percentile)
- Below average build (17th percentile)
- Below average optical (21st percentile)
- Below average versatility (34th percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Focal Length Min | 105 |
| Focal Length Max | 105 |
Aperture
| Min Aperture | f/2.8 |
Build
| Weight | 0.6 kg / 1.4 lbs |
vs Competition
| Spec | Kosiy 20100 | Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 24-200mm f/4-6.3 VR | Sony E PZ 16-50mm f/3.5-5.6 OSS | Panasonic LUMIX S S-R28200 |
|---|---|---|---|---|---|---|
| Focal Length | 105mm | 18-50mm | 17-70mm | 24-200mm | 16-50mm | 28-200mm |
| Max Aperture | - | f/2.8 | f/2.8 | f/4 | f/3.5 | f/4 |
| Mount | - | Sony E | Sony E | Nikon Z | Sony E | L-Mount |
| Stabilization | false | false | true | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 630 | 290 | 544 | 570 | 107 | 413 |
| AF Type | - | stepping motor | RXD | stepping motor | Autofocus | Autofocus |
| Lens Type | - | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Kosiy 20100 | 53.7 | 62.9 | 17.1 | 13.9 | 21.2 | 64.6 | 33.6 | 36.7 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.6 | 80.4 | 86.5 | 90.8 | 82.5 | 82.8 | 78.5 | 36.7 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.7 | 85.7 | 69.8 | 84.9 | 91 | 82.8 | 89.4 | 82.4 |
| Nikon NIKKOR Z 24-200mm f/4-6.3 VR Compare | 87.6 | 62.9 | 68 | 37.8 | 92.9 | 64.6 | 96.6 | 97 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.7 | 73.7 | 98.6 | 43.2 | 69 | 75.9 | 83.1 | 93.5 |
| Panasonic LUMIX S S-R28200 Compare | 53.7 | 76.4 | 78.3 | 73.9 | 92 | 64.6 | 95.4 | 99.5 |
Price
Value & Pricing
From R$7,969
Amazon.com.br 1 offer From R$7,969
We started tracking prices for this product on Jul 18, 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.
