SVBONY 25mm Plossl Eyepiece 1.25″ FMC

Product Overview

The SVBONY F9149A is a 25 mm, 1.25″ Plössl eyepiece. It uses a four-element symmetrical Plössl design in two groups, fully multi-coated, with blackened lens edges and an internally blackened barrel for contrast. It gives a 40° apparent field, accepts standard 1.25″ filters on its M28.5 x 0.6 thread, has a rubber eye guard, stands 72 mm (2.82″) tall and weighs 79 g (2.8 oz). It ships in a protective plastic case.

Who It's For

This is a good match if you want a dependable medium-low-power eyepiece for a 1.25″ focuser, for general observing of the Moon, planets, double stars and brighter deep-sky objects.

Key Features & Design

• Four-element Plössl, 2 groups: a symmetrical design known for sharp, well-corrected images.
• Fully multi-coated optics: improve light transmission and reduce reflections.
• Blackened lens edges and barrel interior: cut stray light for better contrast.
• 1.25″ filter thread (M28.5 x 0.6): takes standard 1.25″ filters.
• Rubber eye guard: blocks side light and helps position your eye.

Recommended Uses

• General observing: 25 mm gives moderate magnification, 40x on a 1000 mm telescope.
• Lunar and planetary overviews and binary stars.
• Brighter clusters and nebulae at modest power.

Compatibility and Accessory Notes

• Barrel: 1.25″, for any 1.25″ focuser or diagonal.
• Filters: standard 1.25″ filters thread into the barrel.
• Barlow: works with a 1.25″ Barlow for higher power.

What's in the Box

• SVBONY 25 mm Plössl eyepiece, packed in a protective plastic case

Good to Know Before You Order

• Field of view: 40° apparent; for a wider view at a similar focal length, a wide-angle design is the alternative.
• 1.25″ only: it does not fit 2″-only focusers without an adapter.

Frequently Asked Questions

Is it difficult to set up?

No. Slide it into the focuser or diagonal, tighten the thumbscrew and focus.

What magnification will it give?

Your telescope's focal length divided by 25. For example, 40x on a 1000 mm telescope or 26x on a 650 mm one.

Can I add filters?

Yes. The barrel takes standard 1.25″ filters on its M28.5 x 0.6 thread.

Bottom Line

In short: a 79 g, fully multi-coated 25 mm 1.25″ Plössl with a 40° field and filter thread, for everyday observing at moderate power.