1.25" 25mm PL Eyepiece (TP125)

Name: 1.25" 25mm PL Eyepiece (TP125)
Brand: iOptron
SKU: TP125
Price: 15 USD
Availability: InStock
Rating: 4.6 (5 reviews)

1.25" 25mm PL Eyepiece (TP125) - Main image

$15 ~~$25~~ In stock

Category: Eyepieces

The iOptron 1.25" 25mm PL Eyepiece (TP125) is a Plossl eyepiece for telescope observing. It offers a 50-degree apparent field of view and 17.5mm of eye relief.

Brand: iOptron
Model/part code: TP125
Barrel size: 1.25 inch
Focal length: 25mm
Apparent field of view: 50 degrees; eye relief: 17.5mm

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Customer Reviews (4.6 / 5 · 5 reviews)

Joshua Q. ★★★★★ Oct 21, 2026

The 17.5mm of eye relief means I can actually keep my glasses on without smudging the lens every few seconds. The 50-degree field feels wide enough for sweeping the moon, and the image stays crisp right to the edge. Solid upgrade from the stock piece that came with my scope.

Michael E. ★★★★★ Oct 20, 2026

After fumbling with my old eyepiece for years, the 50-degree field of view in this one makes scanning star clusters feel much more natural and immersive. It’s comfortable to look through for longer sessions too, with the 17.5mm eye relief being a real plus.

Olivia U. ★★★★★ Oct 18, 2026

The 50-degree field of view feels noticeably wider than my old budget eyepiece, making Jupiter and its moons pop nicely in my scope. It's a solid upgrade for planetary observing.