TS Optics HR Planetary 4mm eyepiece 58° 1.25″ - high contrast planetary eyepiece

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Binorum.eu › Eyepieces › WA (52°-60°)

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Eyepiece TS Optics High End Planetary HR 4mm 58° 1.25

Article No.: HR4
Manufactured by: TS Optics
Shipping weight: 0.22 kg

Our price: 71.50 €

Only 2 available - order soon!

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We do not have the goods physically with us, but it is available from a remote supplier. In this case, we order them immediately and therefore it may take several weeks before we are able to send them to you.

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This product is available in the following variants:
Eyepiece TS Optics High End Planetary HR 2.5mm 58° 1.25	69.85 €
Eyepiece TS Optics High End Planetary HR 4mm 58° 1.25	71.50 €
Eyepiece TS Optics High End Planetary HR 5mm 58° 1.25″	72.35 €
Eyepiece TS Optics High End Planetary HR 6mm 58° 1.25″	72.35 €
Eyepiece TS Optics High End Planetary HR 7mm 58° 1.25	72.35 €
Eyepiece TS Optics High End Planetary HR 8mm 58° 1.25″	72.35 €

TS Optics High End Planetary HR 4mm 58° 1.25″ eyepiece

Are you looking for an eyepiece that reveals every detail of planetary atmospheres, ring systems or lunar craters without compromise? The HR Planetary series from Teleskop-Service has been among the best-rated eyepiece series in its price range for many years. Independent tests have repeatedly confirmed that clarity, contrast and image sharpness - both on the optical axis and at the edges of the field of view - are comparable to significantly more expensive models from leading manufacturers. And the price remains very affordable, which is exactly the combination that every serious astronomer cares about.

Sharp views at high magnification

The HR Planetary 4mm eyepiece offers a 58° field of view, which is a very comfortable choice for a focal length of 4mm. The short focal length makes this eyepiece ideal for high magnification observing - perfect for Jupiter, Saturn, Mars or the Moon under stable atmospheric conditions. All optical surfaces are coated with FMC (Fully Multi-Coated) multi-layer anti-reflection coating, which maximises light transmission, suppresses unwanted reflections and eliminates stray light. The result is a high-contrast image with rich detail that will satisfy even the most demanding observer.

Comfortable to use - even with glasses

The eyepiece design provides an exit pupil of 20mm and an eye relief of 16mm. An eye relief of 16mm is remarkable for such a short focal length, and in practice it means that observers wearing glasses can use the eyepiece comfortably without having to remove them. The eyepiece barrel is finished carefully and robustly, and a standard 1.25″ focuser with a locking screw or bayonet system will hold it firmly and securely in place.

Not just for planets - a truly versatile eyepiece

Although the name of the series suggests a focus on planets, the HR Planetary 4mm is a fully versatile eyepiece. Thanks to its excellent contrast and sharpness across the entire field of view, it can be used successfully for observing globular clusters, planetary nebulae or double stars as well. The short focal length, combined with your telescope, allows you to reach high magnification wherever it is astronomically desirable, while still maintaining a reasonable image brightness.

Who is this eyepiece for?

The HR Planetary 4mm is a great choice for:

Beginners who do not want to invest in expensive optics but still want to see as much as possible
Experienced amateur astronomers looking for a reliable and high-quality eyepiece to add to their collection
Anyone who needs a dependable high-magnification eyepiece for planetary and lunar observing

The excellent price-to-performance ratio makes this eyepiece a great first choice for high magnification work, as well as a reliable backup eyepiece for experienced telescope users.

Part of a complete eyepiece set

The HR Planetary series is available in several focal lengths, so you can easily build a complete set of eyepieces for different magnifications that are optically and visually consistent with each other.