BM Premium 420mm Lens 420-800mm
BM Premium
46 Overall Score
vs
Canon EF-M 15-45mm f/3.5-6.3 IS STM
Canon
86 Overall Score
What Buyers Say
BM Premium 420mm Lens 420-800mm
35 out of 100 low confidence 7 reviews
The lens receives mixed feedback: some users praise its value for money and image quality for certain uses like architecture, but many report serious issues including incompatibility with Canon EOS R8, poor image quality, flimsy plastic build, and slow autofocus unsuitable for wildlife. The need for a tripod due to bulkiness and manual focus annoyance are also noted.
Pros
- Good value for money
- Decent image quality for architecture
- Pleasant for certain projects
Cons
- Incompatible with Canon EOS R8
- Poor image quality
- Flimsy plastic zoom mechanism
- Slow autofocus for wildlife
- Bulky requiring tripod
Image quality 4
Build quality 2
Compatibility 1
Autofocus performance 2
Value for money 2
Portability 1
Canon EF-M 15-45mm f/3.5-6.3 IS STM
No customer feedback yet
Scores
Macro
Budget
Portrait
Video Cinema
Street
Travel
Wildlife Sports
Professional
Landscape
Specifications
| BM Premium 420mm Lens 420-800mm | Canon EF-M 15-45mm f/3.5-6.3 IS STM | |
|---|---|---|
| Optics | ||
| Type | telephoto | zoom |
| Focal Length Min | 420 mm | 15 mm |
| Focal Length Max | 1600 mm | 45 mm |
| Elements | — | 3 |
| Aspherical Elements | — | 3★ |
| Coating | multi-coated | Canon coatings |
| Aperture | ||
| Max Aperture | f/8.3 | f/3.5 |
| Min Aperture | f/8.3 | 3.5-6.3 |
| Constant | ✓★ | ✗ |
| Build | ||
| Mount | Canon RF | Canon EF-M |
| Format | — | APS-C★ |
| Weight | 1.14 kg | 0.46 kg★ |
| Filter Thread | 62 mm | 49 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | STM★ |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 3.5 stops★ |
| Focus | ||
| Min Focus Distance | 420 mm | 45 mm★ |
Pros & Cons
BM Premium 420mm Lens 420-800mm
- Strong versatility (86th percentile)86th %ile
- Strong stabilization (79th percentile)
- Below average user sentiment (1st percentile)1st %ile
- Below average build (14th percentile)14th %ile
- Below average af (15th percentile)15th %ile
Canon EF-M 15-45mm f/3.5-6.3 IS STM
- Strong macro (96th percentile)96th %ile
- Strong stabilization (90th percentile)90th %ile
- Strong af (85th percentile)85th %ile
- Strong aperture (83rd percentile)83rd %ile
Pricing
BM Premium 420mm Lens 420-800mm0.326score per dollar
vs
Canon EF-M 15-45mm f/3.5-6.3 IS STM0.664score per dollar
Canon EF-M 15-45mm f/3.5-6.3 IS STM offers 2.0x better value for money
Verdict
Winner: Canon EF-M 15-45mm f/3.5-6.3 IS STM
Scores 86 overall, wins 9 of 9 usage categories and 6 of 17 specs.
