# item.guide
Side-by-Side Comparison Filter Threads

52 mm Lens Filter Thread (M52 × 0.75) vs. 67 mm Lens Filter Thread (M67 × 0.75)

Comparing 2 standards across 8 specifications. 7 key differences identified.

Comparing:
52 mm Lens Filter Thread (M52 × 0.75)
67 mm Lens Filter Thread (M67 × 0.75)

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.

View full 52 mm Lens Filter Thread (M52 × 0.75) spec sheet →

The 67 mm Filter Thread (M67 × 0.75 mm metric pitch) is the dominant standard for compact full-frame f/4 professional zooms, medium telephoto portrait primes (85mm f/1.8, 135mm f/2), and Tamron's mirrorless lens lineup (28-75mm f/2.8, 17-28mm f/2.8, 70-180mm f/2.8), allowing unified filter sharing.

View full 67 mm Lens Filter Thread (M67 × 0.75) spec sheet →

Specification Comparison Table

8 Parameters
Parameter / Spec
Thread Diameter
52.0 mm (nominal ø52) 67.0 mm (nominal ø67)
Metric Thread Pitch
0.75 mm (M52 × 0.75) 0.75 mm (M67 × 0.75)
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
Thread Direction
Standard right-hand
Tamron Mirrorless Unification
Tamron engineered its entire full-frame mirrorless zoom lineup around a single 67mm filter thread
Popular Lenses
Sony FE 24mm f/1.4 GM, 85mm f/1.8, 20mm f/1.8 G, Canon RF 24-105mm f/4-7.1, Nikon Z 24-200mm f/4-6.3, Fuji XF 16-55mm f/2.8
Underwater Housing Port Standard
M67 is the standard thread for wet wide-angle and macro conversion lenses on underwater camera housings