DeltaOptical Plossl 4mm 52° 1.25″ eyepiece
Forget blurry images and disappointing views through your telescope. The DeltaOptical Plossl 4mm eyepiece is exactly the tool you need to turn a night under the stars into an unforgettable experience. With a 4mm focal length delivering powerful magnification, it is ideal for detailed observation of planets, the Moon, and double stars - no compromises, just clean, sharp performance.
Crystal-clear optics with maximum contrast
The optics feature a multi-layer anti-reflection coating on all optical surfaces, which eliminates unwanted reflections and pushes contrast to its absolute limit. The result is a sharp, bright, and vivid image free of aberrations that will keep you glued to the eyepiece all night long. The 52° apparent field of view provides plenty of comfort for relaxed, fatigue-free observation.
Universal compatibility with 1.25″ barrel
The standard 1.25″ barrel diameter ensures full compatibility with the vast majority of telescopes on the market. Whether you own a refractor, reflector, or catadioptric system, this eyepiece simply fits and works straight away. No adapters, no hassle - just attach it and start observing.
Suitable for beginners and experienced astronomers alike
It does not matter whether you are just starting your journey into astronomy or you are a seasoned observer who refuses to settle for anything average. Plossl eyepieces by DeltaOptical are designed to meet the highest demands while remaining accessible to everyone who takes astronomy seriously. Want to see Saturn's rings in detail that will leave you speechless? This is your eyepiece.
Key specifications
| Parameter |
Value |
| Focal length |
4mm |
| Apparent field of view |
52° |
| Barrel diameter |
1.25″ |
| Optical coating |
Multi-layer anti-reflection on all surfaces |
| Compatible telescope types |
Refractor, reflector, catadioptric |
| Best use |
Planets, Moon, double stars |
