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Archive for the 'New Products' category

Affordable H-alpha solar telescopes from Lunt Solar Systems

June 29 2022, Stefan Taube

The most impressive way to observe the Sun is in H-alpha light. This is red light with a wavelength of 656 nanometres. With a normal solar filter, you will only be able to observe sunspots, whereas with H-alpha telescopes, prominences at the Sun’s edge become visible. Filaments, solar flares and much more can be seen on the solar surface. It is only in H-alpha light that are you able to appreciate the Sun’s dynamics.

Chromosphaere

The Sun in H-alpha light, photographed with the LS40T Ha solar telescope

Unfortunately, H-alpha filter systems often cost several thousand euro. However, the new LS40T Ha telescopes from Lunt Solar Systems make observing the Sun’s red chromosphere much more affordable: solar observation is accessible to everyone!

Lunt Solar Systems Sonnenteleskop ST 40/400 LS40T Ha B600

Lunt Solar Systems ST 40/400 LS40T Ha B600 solar telescope

LS40T Ha telescopes are available in three versions:

The difference between the versions lies in the size of the blocking filter. This filter element is located in the rear erecting lens, which looks like a star diagonal.

All blocking filters are suitable for visually observing the Sun. However, a larger filter is more suitable for photography, as it allows the exposure of a larger camera sensor. The B600 blocking filter is a very good compromise if you want to observe visually as well as photograph with an planetary camera.

The telescopes are supplied with a helical focuser, a Vixen standard prism rail, and a threaded connection for camera tripods. The practical solar finder helps to align the telescope.

An optional carrying case is also available, which makes use of the foam inserts in the original packaging. When you get your telescope, don’t throw away these inserts, instead use them to line the case. In this way, you replace the cardboard outer packaging with a beautiful and stable aluminium case.

Another important recommendation is the very practical sun hat from Lunt Solar Systems – not just for solar observing.

Kühler Kopf für Sonnenbeobachter

Cool head for solar observers

Dobsonian telescopes with special Bresser enhancements

June 28 2022, Stefan Taube

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Messier-series telescope with add-on sun filter

Bresser’s Messier-series Dobsonian telescopes  stand out from the crowd due to their features, which cannot be found on other brands of comparable telescopes:

  • The telescope tube is held in place using tube clamps. This means the tube can be rotated along its axis to find the perfect eyepiece position. It can be optimally balanced by adjusting the tube within the tube clamps. You can also fully demount the tube and use it with an equatorial mount, for example.
  • The altitude bearings have a comparatively large radius. This facilitates finer adjustments along the vertical axis. Many Dobsonian telescopes in this price range do not have proper altitude bearings!

    52181_3

    The altitude bearings with tube clamps glide along the rockerbox.

  • The so-called rockerbox, upon which the telescope is placed and which enables rotation in azimuth, is fitted with quick-release fasteners on the Messier Dobsonians, the kind you are familiar with from furniture. This enables the box to be quickly and simply assembled. In this way, the box can be disassembled again and again.
  • The Hexafoc focuser is superior to focusers on comparable telescopes by other manufacturers.
52181_2

The large Hexafoc focuser does not cast a shadow on wide-angle eyepieces.

  • A compatible solar filter is supplied with the product. As the tube is closed, no sunlight can enter the telescope from the side. This makes it possible to safely view the Sun.

In addition to these features, you also receive a Messier Dobsonian with high-quality optics and a parabolic mirror which is fully adjustable. This makes it possible to start a lasting relationship with the night sky. The Messier Dobsonians are available in two sizes. You can find both models here in our shop.

52181_5

The optics are fully adjustable.

Note: These telescopes are named after Charles Messier (1730-1817), whose “Catalogue of Nebular Objects” contains a number of celestial objects which you can observe using these telescopes. A modern guide to Charles Messier’s objects can be found in Cambridge University Press’ book The Messier Objects.

New from Celestron: dew protection

June 20 2022, Stefan Taube

The brand Celestron is known for its high-quality Schmidt-Cassegrain telescopes. These compact telescopes have a special glass plate on the front end which is exposed to the air and, therefore, is relatively susceptible to dewing up.

Celestron now offers a newly-developed range of accessories to solve this problem:

Smart_DewHeater_and_Power_Controller_4X_10

Complete system consisting of a dew cap, heating ring and controls

Aluminium dew cap with practical clip to secure to the telescope tube

These sturdy caps have an internal velvet surround to protect against pesky scattered light as well as dew. As every cap comes with a compatible dust cap, they can also stay on the telescope tube once you have finished observing for the night. This is a big advantage for observatory telescopes.

The dew caps are available in all Celestron SC telescope sizes. You can find the entire range here in our shop.

Heating rings for installation on the Schmidt plate

This new solution to the issue of dew is especially innovative. With just a few flicks of the wrist, you can separate the holding ring from the plate and replace it with a new ring with integrated heating. Thanks to the integrated sensor, the temperature of the Schmidt plate is kept just below the dew point and, therefore, remains dry.

If you are purchasing a new Celestron telescope, we can complete the installation for you prior to despatch. You can find all models here in the shop.

Dew cap smart controls

A set of controls is required to supply power to the heating ring. This not only provides the required energy, but also keeps the heating element’s other sensors operating optimally. This saves energy and prevents the heating creating negative optical effects. You only heat as much as you need to!

Both the 2x dew cap smart controls and the 4x dew cap smart controls can also control heating elements produced by other manufacturers. Additionally, they function as a hub for additional accessories. This prevents there being a tangle of cables and allows your set-up to be powered and controlled by one device and one software.

Smart_DewHeater_and_Power_Controller_4X_12

You do not require an additional laptop or PC

All of Celestron’s dew prevention options can be found here in our shop.

HEM27 – the new iOptron mounts featuring top-class technology!

June 3 2022, Jan Ströher

The recent trend towards hybrid Harmonic Drive mounts is not without reason: they are compact, light, can be used on camera tripods and yet have a high load-carrying capacity, which is far superior to the more basic camera mount. In addition, they are equipped with all the technical features of a large equatorial mount. Due to their design and mechanical construction, they also do not require any counterweight(s) – a further advantage for transportation. This is why the term “hybrid” is used: you have all the advantages of a camera mount, such as quick assembly, easy transportation, compactness and precise tracking of the night sky. All these features are then combined with the advantages of larger equatorial mounts, such as GoTo functions, a hand controller with object catalogue, permanent drive gear error correction (PEC), various tracking modes and a high payload capacity in relation to its own weight – all without a counterweight bar with corresponding counterweight. These mounts’ mechanics provide the perfect balance for your telescope.

HEM27 on camera tripod

iOptron is continuing this trend and introduces yet more innovation with the new HEM27 series. The series consists of three variants: a classic HEM27, one with iPolar and an EC version.

iOptron thereby offers a selection of hybrid mounts to suit all requirements. All HEM27 mounts have a low dead weight of just under 4kg, but a load-carrying capacity of up to 13.5kg! This means that they can also be used for telescopes that would normally only be found on mounts in the mid-range weight class. So you can use a telescope weighing 5–6kg and still have sufficient capacity for astrophotography equipment. This means that you have the choice of a much broader range of telescopes with the HEM27 compared to regular camera mounts, which usually have a load limit of 3–5kg.

A carrying case is included with the HEM series

iOptron has equipped this series with the well-established Go2Nova® software and a database of 212,000 objects – just like the larger CEM and GEM series of iOptron mounts. The internal cable management provides security and order, and a dual saddle plate allows the use of Vixen/GP and Losmandy prism rails. An ST-4 autoguiding port is available as well as built-in WLAN, a bubble level and an emergency brake system which stops the mount if the power supply is interrupted abruptly. When you continue, the location memory means that the mount does not have to be re-aligned and re-programmed for your location. As you would expect from iOptron: all HEM27 models feature extremely quiet and smooth stepper motors.

The HEM series will be available in summer. You can find first details here at Astroshop!

The new Herschel wedge from APM for solar observation

May 12 2022, Stefan Taube

A Herschel wedge, also known as a Herschel prism, is a special device for observing the Sun. It has many advantages over an objective filter, but can only be used with lens telescopes (refractors).

The manufacturer APM offers a new model with excellent features at a reasonable price: the APM Herschel wedge 2″ with Fast-Lock.

Herschelkeil APM

This Herschel wedge from APM is equipped with a ceramic light trap, an integrated ND3 filter and a replaceable polarising filter. All filters are of course multi-coated! Image brightness can be adjusted by rotating the polarising filter. This means that the Herschel wedge can be used for both visual and photographic purposes!

The APM Herschel wedge is equipped with a quick release (Fast-Lock) eyepiece adapter and an adapter for 1.25″ eyepieces and camera connectors.

Herschelkeil

Using a Herschel prism for solar observing is not only safer, but also qualitatively better than a foil filter. The resulting image is sharp and rich in contrast and can therefore be enlarged to a higher degree.

The Herschel wedge can only be used on refractors with an aperture of up to 150mm.

The new apos from Skywatcher: Evolux 62ED and Evolux 82ED

May 5 2022, Stefan Taube

The trend towards astrophotography with small but high-quality refractors is continuing. These lightweight apos do not need an expensive mount, are easy to transport and provide fantastic images of wide areas of the night sky.

With the new Evolux series, Skywatcher offers two new models in this segment:

AP 62/400

Compact and proficient: the Skywatcher Apochromatic Refractor AP 62/400 Evolux 62ED

Evolux telescopes are perfect wide-field instruments and are therefore ideal for observing and photographing large areas of the night sky. The doublet lens consists of a combination of optical glass, including a low-dispersion ED glass element, which provides sharp images of stars with high contrast and no visible chromatic aberration.

All lens elements are coated with Skywatcher’s sophisticated metallic high-transmission coating (MHTC™), one of the highest quality multilayer coatings in its class, which allows up to 99.5% light transmission.

Evolux telescopes are supplied in a foam-lined aluminium case and are equipped with a 2.4″ dual-speed rack and pinion focuser, together with a tube clamp with a Vixen-style prism rail. The dew shield can be retracted for easy transportation.

The appropriate field flattener should be used for photography: Flattener 0.9x Evolux-62ED and Flattener 0.9x Evolux-82ED. These optical aids ensure sharp star images even at the edges of the field of view and reduce the focal length, so that the Evolux becomes a fast and corrected telescope for astrophotography.

Explore Scientific Series 82° eyepieces

March 22 2022, Stefan Taube

Eyepieces from the Explore Scientific:  82° Series offer a large 82° visual field with a good view and exceptional manufacturing quality. They are waterproof and filled with argon gas. This prevents dust infiltration and internal lens fogging, as well as guaranteeing a high level of reliability. An excellent long-term investment!

82-grad-auswahl

We offer all models in this series with the following focal lengths and barrel diameters:

A major advantage of these eyepieces is the exceptionally high image definition, which is clearly noticeable even when observing planets and the Moon.

Further advantages of the 82° Series:

  • Large pupillary distance for comfortable viewing, even for spectacles wearers!
  • High edge definition even on fast telescopes
  • Patented EMD tempering for maximum contrast
  • Carefully blackened lens edges to avoid reflections
  • Eyepieces from this series are parfocal
  • Stainless steel barrel with conical safety groove
  • Dust cap and carry bag included

All Series 82° eyepieces can be found here in our shop.

Omegon Pro Kolossus – the new mount for large binoculars

February 24 2022, Marcus Schenk

Large binoculars with diameters of 80mm or 100mm are almost reminiscent of a double refractor. So how can such heavy binoculars be used practically in the skies? With the new Kolossus parallelogram mount!

Using this, you can move heavy instruments like a feather across the sky.

Großfernglas auf Parallelogramm Montierung

Simply attach binoculars with a level view or an angled scope and then surf the skies. This is a good way to describe using your binoculars under the stars. Turn the mount in any direction you desire. Without having to tighten axles or kneel on the ground in awkward positions. Simple, natural and comfortable.

Different than usual

Normal tripods are small, too weak and you often need to position yourself awkwardly until you’re able to see an object. With the Kolossus parallelogram mount all that is history. You can move your binoculars upwards, downwards, to the right and to the left always in a relaxed position. This does not only lead to comfortable and more intensive observations – you also see more!

Parallelogramm Montierung für verschiedene Körpergrößen

Observe together

Your binoculars move where you want them to go! Observe when lying down, on a stool or sitting normally. Thanks to the huge swivel mechanism, you have complete freedom when observing. What would it be like to observe with others? This is easy with the Kolossus mount as height differences are not a problem. Within seconds, you can lower the binoculars and also let your children observe with you.

The Kolossus mount was specially-designed for large binoculars. The sturdy swivel arm allows for 360 degree rotation so that you can reach almost every point in the skies. When packed up, the new wonder mount fits into a practical carry bag. Optimal for transportation to the observation site. All you need are your favourite binoculars and a sturdy three-legged tripod. And your new observation sensation can begin.

Want to observe more simply and naturally? View the Omegon Kollossus parallelogram here.

Tecnosky OWL – magnificent, sharp focusing apochromats

January 27 2022, Jan Ströher

A few years ago the Italian company, Tecnosky, started producing their new, own-brand triplet apochromats known as “OWL”. The first model in the series was the OWL 80/480 apochromat, which was released in spring 2021. The OWL 90/560 was hot on its heels, with the OWL 130/900 SLD soon following in autumn. Soon the range will be blessed with new 70mm and 125mm aperture models. All OWL telescopes are based on a triplet lens design with FPL53 fluoride glass. However, the soon-to-arrive 125mm OWL will be an ED doublet.

The OWL 90/560 triplet

These features, combined with fully multi-coated lenses, blackened lens edges and a lens hood on the tube guarantee Strehl ratios upwards of 0.95! An optical interferometric certificate is attached to every single OWL telescope. Every specimen, therefore, undergoes a detailed quality check before distribution.

Optical test report (certificate) for OWL devices

These compact apochromats are great devices for astrophotography and also offer first-class, pure-colour image quality and joy for observing. Tecnosky also supplies reducer-flatteners calculated to suit the optics for each model. This means that OWLs, with their aperture ratios of f/6 – f/7, are ideally suited to photography.

Aesthetically, these “owls” also make an impression – they are all manufactured from high quality materials, are multi-coated, elegantly manufactured and have a white, black and red colour scheme to complete their look.

OWL 80/480 with FPL53 fluoride glass

All OWL models come with compatible prism rails, pipe clamps, Vixen viewfinder shoe, carry handle and retractable dew shield. These are this apochromat’s main features alongside the rotatable focuser with 1:10 reduction and locking mechanism, as well as a sturdy carry case. All in all, you get a first-class telescope with numerous great features for a reasonable price for this size category. The OWL 70 and 125 models will be available in our shop from spring 2022.

Discover the Tecnosky OWL series and sharpen your view of the night sky – elegant design included!

The new RedCat 71 from William Optics

December 15 2021, Jan Ströher

The time-proven and much loved RedCat 51 by William Optics has a new big brother – the RedCat 71. The same Petzval design with corresponding high-quality optics using FPL53 and FPL51 optics. With its 71mm aperture, the new “Cat” is a lot more powerful than the RedCat 51. The result is a pure-colour, corrected image field with a diameter of over 45 millimetres – ideal even for full-frame cameras! The fast f/4.9 aperture ratio facilitates short exposure times. At 3kg, the 335mm-long RedCat 71 weighs only slightly more than its smaller brother.

Once again, focusing is helical, adjusted by turning a ring on the lens tube.

The telescope comes with a protective carry case, as well as a Bahtinov mask specially designed for the RedCat. This mask aids focusing and is permanently and precisely fitted in the lens adapter.

The RedCat 71 is also perfect for deep sky astrophotography and offers not only impressive optical performance, but also William Optics’ attractive trademark design.

The new RedCat 71

 

To use the RedCat 71 for astrophotography you need a mount with a load capacity of at least 7kg due to its weight. The new iOptron mounts CEM26 or GEM28 are ideally suited for this.

Reckon you will soon be a “Cat” fan?

Discover the new RedCat 71 and William Optics’ ”Cat” series.

06.07.2022
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