Olympus OM Zuiko Auto-Macro 50mm f/3.5 vs Vivitar 90mm f/2.5 Macro

Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.

Olympus

OM Zuiko Auto-Macro 50mm f/3.5

Vivitar

90mm f/2.5 Macro

Verdict at a glance

Vivitar 90mm f/2.5 Macro is faster by 1 stop (f/2.5 vs f/3.5), letting in more light.
Olympus OM Zuiko Auto-Macro 50mm f/3.5 goes wider (50mm vs 90mm).
Vivitar 90mm f/2.5 Macro reaches further (90mm vs 50mm).

Specification comparison
Spec	OM Zuiko Auto-Macro 50mm f/3.5	90mm f/2.5 Macro
Brand	Olympus	Vivitar
Mount	Olympus OM	Olympus OM
Type	Macro	Macro
Focal length	50mm (wider)	90mm
Max aperture	f/3.5	f/2.5 (faster)
Format	full-frame	n/a
Groups	4	n/a
Af motor	none	n/a
Elements	5	n/a
Weight g	200	n/a
Filter mm	49	n/a
Length mm	40.0	n/a
Diameter mm	60.0	n/a
Min focus m	0.23	n/a

Olympus OM Zuiko Auto-Macro 50mm f/3.5

A 50mm macro lens from the OM line that focuses down to 0.23 m, giving half life-size natively.

Pros

Sharp flat field
Close focus 0.23 m
Compact
Reaches 1:1 with an extension tube

Cons

Manual focus only
f/3.5 is dim
Needs a tube for 1:1

Vivitar 90mm f/2.5 Macro

This 90mm f/2.5 manual-focus macro lens from Vivitar fits Olympus OM mount cameras. It is intended for close-up work with small subjects such as flowers and insects.

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