Which is lighter, the Olympus M.Zuiko Digital 25mm F1.8 or the SainSonic Zonlai 22 mm f/1.8?

The Olympus M.Zuiko Digital 25mm F1.8 weighs 137 g, 87 g less than the SainSonic Zonlai 22 mm f/1.8 (224 g).

Which focuses closer, the Olympus M.Zuiko Digital 25mm F1.8 or the SainSonic Zonlai 22 mm f/1.8?

The SainSonic Zonlai 22 mm f/1.8 focuses down to 0.15 m, against 0.25 m for the Olympus M.Zuiko Digital 25mm F1.8.

Do the Olympus M.Zuiko Digital 25mm F1.8 and the SainSonic Zonlai 22 mm f/1.8 have image stabilization?

No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.

Is the Olympus M.Zuiko Digital 25mm F1.8 or the SainSonic Zonlai 22 mm f/1.8 better for street photography?

For street photography, the Olympus M.Zuiko Digital 25mm F1.8 has the edge: it is 87 g lighter to carry.

Is the Olympus M.Zuiko Digital 25mm F1.8 or the SainSonic Zonlai 22 mm f/1.8 better for travel?

For travel, the Olympus M.Zuiko Digital 25mm F1.8 has the edge: it is 87 g lighter to carry.

§ 03 Head to head

Olympus M.Zuiko Digital 25mm F1.8 vs SainSonic Zonlai 22 mm f/1.8

Olympus 25mm f/1.8 has a longer reach. SainSonic 22mm f/1.8 has a wider field of view.

Both lenses are made for the Micro Four Thirds mount: the Olympus M.Zuiko Digital 25mm F1.8 is a 25mm f/1.8 prime, and the SainSonic Zonlai 22 mm f/1.8 is a 22mm f/1.8 prime. On paper the SainSonic Zonlai 22 mm f/1.8 comes out ahead, 5 advantages to 3, but which one suits you depends on what you shoot.

Add a third lens →

Olympus M.Zuiko Digital 25mm F1.8

f/1.8 · 25mm · 137 g

SainSonic Zonlai 22 mm f/1.8

f/1.8 · 22mm · 224 g

Key differences

From manufacturer specifications

Why is the Olympus M.Zuiko Digital 25mm F1.8 better than the SainSonic Zonlai 22 mm f/1.8?

Longer reach (25mm vs 22mm)
87 g lighter (137 g vs 224 g)
3 mm shorter (42 mm vs 45 mm long)

Why is the SainSonic Zonlai 22 mm f/1.8 better than the Olympus M.Zuiko Digital 25mm F1.8?

Wider field of view (22mm vs 25mm)
Focuses 10 cm closer (0.15 m vs 0.25 m)
Has a physical aperture ring
More aperture blades (11 vs 7)
Covers a larger sensor format (APS-C vs Micro Four Thirds)

Which should you buy?

By use

street For street photography, the Olympus M.Zuiko Digital 25mm F1.8 has the edge: it is 87 g lighter to carry.
travel For travel, the Olympus M.Zuiko Digital 25mm F1.8 has the edge: it is 87 g lighter to carry.
astrophotography For astrophotography, the SainSonic Zonlai 22 mm f/1.8 has the edge: it goes wider, to 22mm against 25mm.
landscape For landscape photography, the SainSonic Zonlai 22 mm f/1.8 has the edge: it goes wider, to 22mm against 25mm.
architecture For architecture, the SainSonic Zonlai 22 mm f/1.8 has the edge: it goes wider, to 22mm against 25mm.

Specification

17 rows · better value flagged ◆

Specification	Olympus M.Zuiko Digital 25mm F1.8	SainSonic Zonlai 22 mm f/1.8
Focal length	25mm	22mm
Maximum aperture	f/1.8	f/1.8
Minimum aperture	f/22	f/16
Lens type	Prime lens	Prime lens
Format	Micro Four Thirds	APS-C
Weight	137 g (4.83 oz) ◆	224 g (7.90 oz)
Dimensions	57.8 mm (diameter) x 42 mm (length)	45 x 45 mm
Minimum focusing distance	0.25 m (9.84 inches)	0.15 m (5.91 inches) ◆
Maximum magnification	0.12x (0.24x 35mm equivalent)	—
Image stabilization	No	No
Weather sealing	No	No
Aperture ring	No	Yes
Aperture blades	7 (circular)	11 ◆
Optical construction	9 elements in 7 groups (including 2 aspherical elements)	8 elements / 7 groups
Filter size	46 mm	46 mm
Lens mount	Micro Four Thirds	Micro Four Thirds, Sony E, Fujifilm X, Canon EF-M
Released	2014	—

Size

Drawn to relative scale

A · Olympus
B · SainSonic

42 × 57.8 mm
45 × 45 mm

The SainSonic Zonlai 22 mm f/1.8 is 3 mm longer and 87 g heavier than the Olympus M.Zuiko Digital 25mm F1.8.

Sample frames

Shot on each lens