49 mm Lens Filter Thread (M49 × 0.75) vs. 52 mm Lens Filter Thread (M52 × 0.75)
Comparing 2 standards across 6 specifications. 5 key differences identified.
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 52 mm Filter Thread (M52 × 0.75 mm metric pitch) is the legendary standard for 50mm f/1.8 'Nifty Fifty' prime lenses and virtually all vintage manual-focus Nikon NIKKOR AI and AI-S primes from the 1960s through 1990s.
Specification Comparison Table
6 Parameters| Parameter / Spec | ||
|---|---|---|
|
Thread Diameter
|
49.0 mm (nominal ø49) | 52.0 mm (nominal ø52) |
|
Metric Thread Pitch
|
0.75 mm (M49 × 0.75) | 0.75 mm (M52 × 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 | — |
|
Nikon AI-S Legacy
|
— | Nikon standardized 52mm across 24mm f/2.8, 28mm f/2.8, 35mm f/2, 50mm f/1.4, 50mm f/1.8, 105mm f/2.5, 135mm f/3.5 |
|
Modern Glass
|
— | Canon EF 50mm f/1.8 STM, Nikon Z 28mm f/2.8, Nikon Z 40mm f/2, Fujifilm XF 35mm f/1.4 R, Panasonic 25mm f/1.7 |