Cloud Break Optics

MASUYAMA 1.25″ Series 53° Eyepieces

MASUYAMA 1.25″ Series 53° Eyepieces - Main image
$133.33 $199 In stock

Category: Eyepieces

Japanese premium brand – MASUYAMA 1.25″ eyepieces Series 53°

For an in-depth review of these eyepieces, check out Astronomy Technology Today's write-up!

Description

  • Lens design : Masuyama Ortho Plossl (MOP)
  • 5 elements in 3 groups
  • Fully multi-coated
  • Completely designed and produced by Ohi Kohki Co., Ltd. in Japan
  • Made in Japan

Specifications

 5mm 34mm OD x 40mm L, 60g, 4mm eye relief
7.5mm 36mm OD x 45mm L, 70g, 5mm eye relief
10mm 36mm OD x 50mm L, 80g, 7mm eye relief
12.5mm 36mm OD x 53mm L, 90g, 8mm eye relief
15mm 40mm OD x 58mm L, 100g, 9mm eye relief
20mm 40mm OD x 66mm L, 120g, 13mm eye relief
25mm 40mm OD x 77mm L, 115g, 16mm eye relief
30mm 40mm OD x 91mm L, 140g, 19mm eye relief
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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

George ★★★★★

The machining on these eyepieces is incredibly precise — the focus snaps into place with a satisfying, smooth feel that I’ve never experienced with budget Plossls. Jupiter’s bands looked crisp across most of the field, with only a bit of softness near the very edge.

Natalie ★★★★★

The 53-degree field is noticeably wider than my old Plossls, and the Japanese glass makes Jupiter’s bands snap into focus. Even at high power on a shaky mount, the eye relief stays comfortable enough that I don’t have to jam my eye against the cup.

Robert ★★★★★

I’ve been using these for a few weeks now and the star test is textbook-perfect, with no astigmatism I can see. The 53° field is just wide enough for lunar sweeps without feeling cramped.