50 degree Premium Plossl eyepiece
£23.99£18.99
Out of stock
Get ready to take your stargazing to the next level without breaking the bank! Here at Sky's the Limit, we're thrilled to offer you our premium Plössl eyepieces. With a generous 50-degree apparent field of view, you'll see more of your favourite celestial objects than with typical Plössls.
Looking to expand your eyepiece collection but don't want to spend a fortune? You've found the perfect solution! Our Plössl eyepieces are not only affordable but are also packed with high-end features that provide bright, sharp, and contrasty images.
Key Features
50-degree apparent field of view: See more of the night sky!
Fully multi-coated on all glass surfaces: Enjoy superior light transmission for brighter views.
Threaded for filters: Easily attach your favourite filters to enhance your observations.
Fold-down eyecup: Find the perfect viewing position, whether you wear glasses or not.
Ideal for deep-sky and planetary viewing: A versatile tool for exploring the cosmos.
Need a little guidance?
Many beginners ask us “How much magnification will that give me?”, often assuming that bigger is always better. It’s an understandable instinct — a telescope feels like it should work the same way as zooming in on a photo. But in astronomy, magnification is only part of the story, and sometimes it’s the least important part. A 7.5 mm eyepiece is a great way to demonstrate this. Because magnification is simply the telescope’s focal length divided by the eyepiece focal length, a 1,000 mm telescope suddenly leaps to around 133× when you drop in a 7.5 mm eyepiece. That’s a serious close‑up: the Moon becomes enormous, planets swell in the field, and small targets like double stars or globular clusters start to show structure you’d never see at low power.
But high magnification comes with consequences. Manufacturers often quote a “maximum magnification” equal to about twice the aperture in millimetres, which sounds impressive on paper — but it’s almost always unrealistic. To reach those extreme powers you need perfect seeing, perfect collimation, and perfect optics, and even then the image is usually soft and unstable. At high power, not only is the image magnified, but every disturbance and vibration is magnified too: a tiny nudge becomes a huge wobble, a breath of wind becomes a shake, and atmospheric turbulence turns the view into a shimmering blur.
This is why high magnification is always a trade‑off. As you push the power up, the image gets larger, but also dimmer, fuzzier, and harder to keep centred. Ease back to a longer‑focal‑length eyepiece and everything becomes smaller, brighter, and sharper — often far more pleasing to look at. A 7.5 mm eyepiece is powerful and exciting, but it’s also the perfect demonstration that magnification is only useful when the sky, the telescope, and the observer all cooperate.
If you're new to the world of telescopes and eyepieces, we get it! We were all beginners once. Don't hesitate to give us a call for a friendly, informal chat. We promise to provide free, impartial advice and won't try to sell you anything you don't need. Our goal is to help you find the right gear to enjoy the wonders of the universe.
Don't just take our word for it—check out our reputation on the Stargazers Lounge!
These Plössl eyepieces deliver exceptional performance, thanks to their high-quality construction. While some manufacturers cut corners, we ensure our eyepieces are made with precision to prevent internal reflections and deliver stunning results. We're able to offer these incredible eyepieces at a fantastic price because they were originally part of boxed sets.