Two models, the numbers decide

Olympus 10×50 DPS-I or Nikon Aculon A211 10×50?

Olympus 10×50 DPS-I — 50 mm, €95. Nikon Aculon A211 10×50 — 50 mm, €120. The same method as everywhere on this site: the numbers first, the verdict from them.

Same family (10×50 binoculars): what changes between these two is aperture, bulk and price — not character.

Side by side

	Olympus 10×50 DPS-I	Nikon Aculon A211 10×50
Aperture	50 mm	50 mm
Focal ratio	200 mm · f/4.0	200 mm · f/4.0
Typical weight	0.85 kg	0.9 kg
Setup time	1 minutes	1 minutes
Learning curve	1 out of 5	1 out of 5
Useful magnification	≤ 100×	≤ 100×
Resolution (Dawes)	2.3″	2.3″
Observed price	€95 (seen 2026-08-17)	€120 (seen 2026-08-17)

The same sky, through both

These circles are simulations, computed from the aperture, the magnification and the sky — indicative, not exact. A real night also depends on the turbulence, your eyes and your experience. Closer to the truth than the photo on the box; still not a promise.

The Moon

10×50 DPS-I · Recognisable

Aculon A211 10×50 · Recognisable

Saturn

10×50 DPS-I · Recognisable

Aculon A211 10×50 · Recognisable

The Orion Nebula

10×50 DPS-I · Not visible

Aculon A211 10×50 · Not visible

The Andromeda Galaxy

10×50 DPS-I · Not visible

Aculon A211 10×50 · Not visible

Choose the Olympus 10×50 DPS-I if…

budget decides: €25 less

Full page on the 10×50 DPS-I →

Where to buy

None of these links earn us anything.

Choose the Nikon Aculon A211 10×50 if…

The numbers give it few arguments — the other wins this one.

Full page on the Aculon A211 10×50 →

Where to buy

None of these links earn us anything.

Is it the right one for you? Ask the advisor