BENOISON 420-Nikon--F 420-800mm
The 420-800mm zoom range on a full-frame F-mount body provides extreme reach for distant subjects, though the manual focus and variable f/8.3-16 aperture demand careful technique and ample light. Its lightweight 717g build and direct F-mount compatibility eliminate the need for adapters, making it a portable option for Nikon DSLR users. This lens is best for hobbyist wildlife observers and moon photographers on a strict budget who are comfortable working entirely in manual mode.
Snapshot
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.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Telephoto |
| Focal Length Min | 420 |
| Focal Length Max | 800 |
Aperture
| Max Aperture | f/16 |
| Min Aperture | 8.3-16 |
| Constant | No |
Build
| Mount | Nikon F |
| Format | full-frame |
| Weight | 0.7 kg / 1.6 lbs |
| Filter Thread | 62 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | Yes |
Focus
| Min Focus Distance | 800 |
vs Competition
| Spec | BENOISON 420-Nikon--F 420-800mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon NIKKOR Z 17-28mm f/2.8 | Sony E PZ 16-50mm f/3.5-5.6 OSS | Panasonic LUMIX S S-E100 |
|---|---|---|---|---|---|---|
| Focal Length | 420-800mm | 28-300mm | 18-50mm | 17-28mm | 16-50mm | 100mm |
| Max Aperture | f/16 | f/4 | f/2.8 | f/2.8 | f/3.5 | f/2.8 |
| Mount | Nikon F | Sony E | Sony E | Nikon Z | Sony E | L-Mount |
| Stabilization | true | true | false | false | true | false |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 716 | 590 | 290 | 450 | 107 | 298 |
| AF Type | manual focus only | VXD linear motor | stepping motor | Stepping Motor | Autofocus | Dual phase linear motor |
| Lens Type | telephoto | zoom | zoom | zoom | zoom | macro |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| BENOISON 420-Nikon--F 420-800mm | 13.2 | 27.8 | 40.7 | 48.6 | 20.2 | 40 | 16 | 69.8 | 66.1 | 82.4 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 98 | 77.6 | 65.2 | 85.8 | 96.7 | 65.7 | 91.2 | 97.7 | 56 | 82.4 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 86.9 | 81.5 | 86 | 91.7 | 82.3 | 83.7 | 80.9 | 78.6 | 89.8 | 36.8 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.9 | 86.8 | 75.2 | 85.8 | 88.2 | 83.7 | 91.2 | 68 | 69.9 | 36.8 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.8 | 75.2 | 98.5 | 43.9 | 68.3 | 77 | 63.7 | 83.3 | 81.2 | 93.4 |
| Panasonic LUMIX S S-E100 Compare | 98 | 86.8 | 85.8 | 82 | 83.5 | 83.7 | 80.9 | 33.6 | 65.8 | 36.8 |