April 19 2024, Stefan Taube
Innovative manufacturers have been offering astronomical mounts with a special drive design for a few years now. You can find these in the shop under the Harmonic / Strainwave link.
These mounts are equipped with a so-called strain wave gear. It is also known under the protected brand name Harmonic Drive.
The advantages are:
- High load capacity with low dead weight
- High torsional rigidity: no counterweights required
- Relatively inexpensive, as industry standard
- No swivelling error (“backlash”)
- Very high reduction ratio
- Compact dimensions
- Maintenance-free and backlash-free in the long term
The strain wave gear is used for the axes of industrial robots, among other things. It is therefore a standard and does not need to be specially developed and built for astronomical mounts.
Although the periodic gearbox error is also high for strain wave gears, the error typical of worm shafts, which occurs when the direction of rotation changes (“backlash”), is eliminated. This means that the strain wave gear reacts immediately to the control impulses, so that the periodic error can be compensated very well by autoguiding.
For large mounts, such as the Skywatcher EQ-8, the mounts from 10Micron or the CGX-L from Celestron, a worm shaft is still the first choice, because optics with a long focal length require a very low periodic gear error and a counterweight cannot be dispensed with for heavy optics, even with a strain wave gear. In addition, the advantages of strain wave gears in terms of compactness, weight and price are lost as soon as a mount with a high load capacity is required.
There is therefore an ideal range of load capacity in which mounts with a strain wave gear can play to their strengths. The requirements for mobile astrophotography with small to medium-sized optics fall within this range. The harmonic mounts from brands like iOptron, PegasusAstro, RainbowAstro and ZWO are designed precisely for these requirements.
You can find all mounts with strain wave gear under the Harmonic / Strainwave link in the shop.
Typical strain wave gear to industry standard
Tags: Montierung, ZWO, Rainbow Astro, iOptron, Mount, PegasusAstro
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April 19 2024, Marcus Schenk
Standing under the stars and exploring the vast universe: A dream that can become reality with the ProNewton N 153/750 EQ-500 X. This powerful telescope brings the stars right into your backyard!
For a limited time, when you purchase a ProNewton N 153/750 EQ-500 X, you will receive a voucher worth 250 EUR as a gift. An opportunity you should not miss.
- The primary mirror with a 153 mm aperture captures so much light that you can discover faint deep-sky objects like gas nebulae or brilliantly beautiful star clusters.
- The EQ-500 X mount allows for precise manual tracking thanks to the integrated ball bearings. Combined with the optics, you get a very stable overall system that brings joy with every observation.
This Newtonian telescope rightfully carries the “Pro” in its name, as its craftsmanship stands out significantly from the usual beginner optics. Now is the time to observe the Moon and fascinating details on the planets in high quality.
Buy now and get a a 250 EUR shopping voucher with this high-quality telescope.
But beware: The promotion is only valid until 30.06.2024.
The voucher can be redeemed until 31.12.2027. Only while supplies last.
Tags: telescope
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April 17 2024, Jan Ströher
Vespera is your new observation station, the perfect combination of telescope and camera. Smart and fully automated, the wonders of the Universe are now accessible to all with ease. Explore and observe the night sky, take your own photos of celestial objects, learn about the Cosmos, and share your discoveries in one place.
Have you ever wanted to catch the stars? This observation stations allow you to photograph the Cosmos at the touch of a button. Vespera integrates the technology allowing you to observe and shoot deep-sky objects effortlessly. You can now immortalize galaxies, nebulae, clusters and much more.
Vespera I Smart Telescope by vaonis
Vespera’s companion app offers educational content making the experience of observation more interactive and exciting. You can now discover the many secrets and stories that make the Universe so fascinating.
Vespera redesigns the experience of observation. Watching the stars through our mobile app allows you to fly accross the vastness of the Universe all together with your friends or family. Connect up to 5 mobile devices to your station with the multi-user mode, then share your discoveries in Ultra-HD on social networks. You can now share your passion with everyone.
Grab your Vespera I now for a special sales price of EUR 1.199 – only as long as stock supplies last!
Tags: Vaonis, Vespera, smart telescopes, Astrophotography, Sale
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April 15 2024, Jan Ströher
The LX200 series of telescopes are among the systems most widely used by experienced amateur astronomers. There is a good reason for this: The LX200 series combines coma-free ACF optics with a stable fork mount and modern electronics. The system is so compact that the smaller models are ideal for mobile astronomy and the larger instruments suit relatively small garden or club observatories.
In addition to the advantages of the telescopes themselves, the LX200 series offers other useful features: the primary mirror lock prevents image shift and holds focus during long exposure times. The high-quality worm gear on both axes ensures smooth running at all speeds. Thanks to SmartDrive, the periodic worm error is permanently corrected (PPEC).
From April 15th up to June 30th, 2024, the models of the Meade LX200 series can be purchased at a special price! While stocks last…
Tags: Schmidt-Cassegrain, Goto, ACF, LX200, telescope, Astrophotography, Sale, MEADE
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April 10 2024, Jan Ströher
The universe with one click! Seestar S50
The Seestar S50 is a compact smart telescope with a 50mm aperture for anyone who is fascinated by the universe. Just imagine being able to create fascinating astrophotos of stars, galaxies and nebulae at the touch of a button. All with zero effort, no requirement of prior knowledge and of professional quality.
Intelligent technology, a compact all-in-one design and an intuitive app make this possible. The secrets of the universe are now literally in front of your eyes.
“Leo’s Triplet”, taken with Seestar S50 (Photo: Carlos Málagon)
The advantages at a glance:
- Just like the big players: True apochromatic lens with 50mm aperture for crystal clear images which with instantly enchant any viewer
- GoTo, auto focus and live tracking – watch along live as the image is created before your very eyes
- With a free app as the central control point for unforgettable tours of the skies
- Simple astrophotos: Set up telescope, open app, and go
- Battery for 6 hours of astrophotography at a time
- Welcome to the future of astrophotography!
The ZWO Seestar S50 is currently available directly from our stock – so grab it quickly!
Tags: ZWO, Astrophotography, Deep-Sky, new products, smart telescopes
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April 3 2024, Stefan Taube
Dobsonian telescopes are simple in design and intuitive to use. They are therefore particularly popular with newcomers to astronomy and occasional observers. But experienced amateur astronomers also love this type of telescope, as the simple design allows the use of a large mirror at a fair price.
The traditional Bresser company now offers a Dobsonian telescope with a 305 millimetre mirror diameter in its Messier series: N 305/1525 Messier Hexafoc
This model also shares the special advantages of the Dobsonian telescopes in the Messier series:
- Newtonian optics with parabolic primary mirror
- Large altitude wheels and azimuthal needle bearing for movements without jerking
- Tube with tube clamps: The telescope can be finely balanced. It is even possible to use the optics on a different mount.
- The supporting box can be assembled in just a few minutes using metal furniture connectors.
- A suitable filter for observing the sun is already included in the scope of delivery.
The tube of the largest model N 305/1525 Messier Hexafoc is made of fiberglass and is therefore relatively easy to transport.
You can find more information and the current price for this 12-inch telescope here in the shop.
Tags: Bresser, telescope
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March 25 2024, Stefan Taube
The popular Nexstar Evolution telescopes from Celestron have a new addition: It’s a five inch telescope!
The NexStar Evolution 5 is even more compact and less expensive than the other models in this series. However, it has everything that characterises a NexStar Evolution telescope:
- High-quality optics in a Schmidt-Cassegrain design. This design is compact, closed and very easy to use. The long focal length is ideal for observing and photographing the moon and planets.
- The telescope is equipped with motors and computer control (“GoTo”). This means that even beginners can find all attractive celestial objects.
- The telescope can be controlled with the hand controller or via smartphone and the SkyPortal app from Celestron. To do this, the telescope generates a Wi-Fi signal so that you can connect your smartphone to the telescope.
- The NexStar-Evolution has an integrated lithium iron phosphate battery (LiFePO4) with a battery life of approx. 10 hours.
- The telescope can be disassembled into three parts. This makes it easy to transport and fits in any car boot.
You can find the NexStar Evolution 5 and all other models here in the shop.
Tags: Celestron, telescope
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March 11 2024, Stefan Taube
Celebrate the start of the most beautiful season with us! Make yourself and your loved ones happy!
We offer selected gifts for young nature lovers and old hands alike:
If you have binoculars with you, you can see more. Nature comes closer. We offer a wide range of binoculars for nature and bird watching.
- A monocular fits in every pocket and is quickly to hand for a closer look at animals or plants:
Omegon Orange 8×42 monocular
- Binoculars with a roof prism are also compact, but allow comfortable binocular viewing. With 42 millimetre lenses, the Talron 8×42 is bright enough to provide a clear image even in dark forests or at dusk:
Omegon Talron HD 8×42
In spring, the nights are no longer freezing cold, but they are still relatively long and dark. This is the ideal time to start observing the sky!
- Until 31 March you will receive an additional voucher of 100,- Euro with the purchase of a Omegon Telescope AC 90/1000 EQ-2. This allows you to order additional accessories now or at a later date.
Omegon Telescope AC 90/1000 EQ-2 + voucher at a Value of 100 Euro
- Many nature lovers got their first taste of sky observation with a Skywatcher Dobsonian telescope. These telescopes are reasonably priced for their size and easy to use. We offer all models in this successful telescope series:
Be inspired by our ideas and discover the reawakening of nature!
Browse through our Easter gift ideas and give yourself and your loved ones a little treat!
Tags: telescope, Binocular
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March 8 2024, Stefan Rieger
Especially when hunting wild boar at night, thermal imaging cameras are an accessory that no hunter would want to miss these days. Moreover, a thermal imaging camera can also highly support you in searching other animals, like fawns in the grass, hares and rabbits in the field or birds in the bushes.
For all those who are not yet equipped or do already have an outdated device, we can currently make a great offer!
The Kahles Helia TI 18+ and TI35+ Thermal Imaging cameras for € 1980! This means more than 30% discount compared to the former recommended retail price of € 2950.
Both models have high-resolution thermal sensors with 640×512, a pixel size of 12µm and a temperature resolution of < 20 Millikelvin. They differ in the lens used and therefore in their magnification, field of view and intended use.
The Kahles HELIA TI18+ has a focal length of 17.5mm and a field of view of 44m/100m, making it the expert for forest hunters. The Kahles HELIA TI35+ offers 35mm and a 2x basic magnification. The field of view is 22m/100m and the maximum range is over 2400 meters. This makes it an all-rounder for forest and field hunting.
Go for it! This great offer is valid until July 30th, 2024!
Tags: Sale, Kahles, Helia, hunting, offer, thermal imaging
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March 6 2024, Marcus Schenk
Immerse yourself in observing the sky with two eyes and discover how a three-dimensional starry sky appears.
The Omegon Nightstar 20+40 x 100mm large binoculars are your key to impressive observations. Lift off with two 100mm lenses and navigate through the vastness of Space with equipment that will thrill you during every clear night. The best part of it: When you purchase these special large binoculars, you will receive a 250 Euro voucher from Astroshop – absolutely for free.
1) Whether you want to observe the surface of the Moon with its cratered landscape, Jupiter with its moons or distant nebulae and star clusters – the Omegon Nightstar offers you a particularly high light intensity with its generous 100mm lens diameter. It captures about 200 times more light than the naked eye.
2) With two interchangeable eyepiece pairs for 20x and 40x magnification you can observe more individually than with fixed eyepieces of other models. Another advantage is: You can also use other 1.25 inch (31.75 mm) eyepieces to further optimize your observation.
The 250 Euro voucher included in your package will definitely round up your purchase of these large binoculars. Whether you want to invest this in additional eyepieces, a good fork mount or other high-quality accessories, this voucher will bring you closer to your desired equipment. Important to know: Of course you can use the voucher for any product in our store. It is valid until December 31, 2027.
Act quickly to take advantage of this rare offer and get your large binoculars plus a 250 Euro voucher that will make every stargazing session a hit. Valid until April 30, 2024 and while supplies last.
Tags: binoculars, Omegon
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