Side-by-Side Comparison
Filter Threads
49 mm Lens Filter Thread (M49 × 0.75) vs. 82 mm Lens Filter Thread (M82 × 0.75)
Comparing 2 standards across 8 specifications. 7 key differences identified.
Comparing:
49 mm Lens Filter Thread (M49 × 0.75)
82 mm Lens Filter Thread (M82 × 0.75)
The 49 mm Filter Thread (M49 × 0.75 mm metric pitch) is the compact mirrorless prime standard, popularized across Sony FE compact G primes (24mm, 40mm, 50mm f/2.5 G), the Sony Zeiss Sonnar 55mm f/1.8 ZA, and Fujifilm X100-series leaf-shutter street cameras (via AR-X100 adapter).
The 82 mm Filter Thread (M82 × 0.75 mm metric pitch) is the modern flagship standard for ultra-fast wide-angle and standard zoom lenses across full-frame mirrorless systems. Standard on the Sony FE 24-70mm f/2.8 GM II, Canon RF 24-70mm f/2.8L IS, Nikon Z 24-70mm f/2.8 S, and ultra-fast 50mm f/1.2 primes.
Specification Comparison Table
8 Parameters| Parameter / Spec | ||
|---|---|---|
|
Thread Diameter
|
49.0 mm (nominal ø49) | 82.0 mm (nominal ø82) |
|
Metric Thread Pitch
|
0.75 mm (M49 × 0.75) | 0.75 mm (M82 × 0.75) |
|
Compact Street Photography Standard
|
Fujifilm X100V / X100VI (requires 49mm filter adapter ring AR-X100 for weather sealing) | — |
|
Notable Glass
|
Sony FE 55mm f/1.8 ZA, Sony FE 24mm f/2.8 G, Sony FE 40mm f/2.5 G, Sony FE 50mm f/2.5 G, Pentax SMC DA 35mm/70mm Limited | — |
|
Thread Direction
|
— | Standard right-hand |
|
Why Modern Lenses Grew to 82mm
|
— | High-resolution 50MP+ sensors require larger front elements to eliminate optical aberration and corner vignetting |
|
Flagship Lenses
|
— | Sony FE 24-70 f/2.8 GM II, 16-35 f/2.8 GM II, Canon RF 15-35 f/2.8L, RF 24-70 f/2.8L, Nikon Z 24-70 f/2.8 S, Sigma 24-70 f/2.8 DG DN Art |
|
Universal Filter Recommendation
|
— | 82mm is currently the recommended baseline diameter for buying expensive high-end magnetic ND/CPL filter sets |
Other Alternatives to Compare
Compare 49 mm Lens Filter Thread (M49 × 0.75) vs. 52 mm Lens Filter Thread (M52 × 0.75) →
Compare 49 mm Lens Filter Thread (M49 × 0.75) vs. 58 mm Lens Filter Thread (M58 × 0.75) →
Compare 49 mm Lens Filter Thread (M49 × 0.75) vs. 67 mm Lens Filter Thread (M67 × 0.75) →
Compare 49 mm Lens Filter Thread (M49 × 0.75) vs. 72 mm Lens Filter Thread (M72 × 0.75) →
Compare 49 mm Lens Filter Thread (M49 × 0.75) vs. 77 mm Lens Filter Thread (M77 × 0.75) →
Compare 49 mm Lens Filter Thread (M49 × 0.75) vs. 95 mm Lens Filter Thread →