BM Premium SLY500 500mm

★★★★☆ 3.7 (234)
Focal length 500-1000mm
Aperture f/8
Mount Canon RF
stabilization Yes
Weather Sealed Yes
Weight 1080 g
af type manual focus only
lens type telephoto
BM Premium SLY500 500mm lens
47 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong stabilization (81st percentile) 81st
  • Strong versatility (73rd percentile) 73rd

Cons

  • Below average optical (5th percentile)
  • Below average af (15th percentile)
  • Below average build (32nd percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has improved over time
1★2★3★4★5★Q1 '22: 3.3★ · 3 reviewsQ3 '22: 1.0★ · 1 reviewQ2 '23: 5.0★ · 1 reviewQ3 '23: 4.3★ · 3 reviewsQ4 '23: 3.0★ · 2 reviewsQ1 '24: 3.0★ · 3 reviewsQ2 '24: 5.0★ · 1 reviewQ4 '24: 4.0★ · 1 reviewQ1 '25: 5.0★ · 2 reviewsQ2 '25: 3.5★ · 2 reviewsQ4 '25: 4.0★ · 2 reviewsQ1 '26: 4.0★ · 1 review311323112221Q1 '22Q3 '22Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q4 '24Q1 '25Q2 '25Q4 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 22 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

AF 15.3
Bokeh 59.6
Build 32.2
Macro 50.8
Optical 4.8
Aperture 61.6
Versatility 72.8
Social Proof 61.7
Stabilization 80.5

Specifications

Full Specifications

Optics

Type Telephoto
Focal Length Min 500
Focal Length Max 1000
Elements 4
Groups 4
ED Elements 1
Coating multi-coated

Aperture

Max Aperture f/8
Min Aperture f/8
Constant Yes

Build

Mount Canon RF
Format full-frame
Weather Sealed Yes
Weight 1.1 kg / 2.4 lbs
Filter Thread 67

AF & Stabilization

AF Type manual focus only
Stabilization Yes

Focus

Min Focus Distance 500

vs Competition

Spec BM Premium SLY500 500mm Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Canon RF 28-70mm f/2.8 IS STM Panasonic LUMIX S S-R28200 Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR
Focal Length 500-1000mm 16-300mm 18-300mm 28-70mm 28-200mm 16-85mm
Max Aperture f/8 f/3.5 f/3.5 f/2.8 f/4 f/3.5
Mount Canon RF Sony E Fujifilm X Canon RF L-Mount Nikon F
Stabilization true true true true true true
Weather Sealed true true false true true false
Weight (g) 1080 615 92 495 413 59
AF Type manual focus only HLA VXD linear motor STM Autofocus AF-S
Lens Type telephoto zoom zoom zoom macro zoom
Compare Compare Compare Compare Compare
Product AFBokehBuildMacroOpticalApertureVersatilitySocial ProofStabilization
BM Premium SLY500 500mm 15.359.632.250.84.861.672.861.780.5
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare 54.784.357.986.598.87799.68399.1
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare 98.17596.388.473.57799.28380.5
Canon RF 28-70mm f/2.8 IS STM Compare 85.586.267.277.484.483.877.48898.2
Panasonic LUMIX S S-R28200 Compare 54.777.973.989.590.971.595.775.399.4
Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare 54.77598.459.864.17794.38892.2

Usage Scores

Macro (34.5)Overall (46.5)Budget (48)Street (31.2)Travel (41.4)Portrait (43.9)Landscape (34.2)Professional (34.5)Video Cinema (42.9)Wildlife Sports (38.8)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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