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Archive for the 'New Products' category

New CMOS-optimised line filters from Baader

July 1 2021, Stefan Taube

The manufacturer Baader presents new filters for astrophotography in the spectral lines H-alpha, OIII and SII.

Filtersets

The half-width of the narrowband filters is 6.5 nanometres, and for the ultra-narrowband it is as little as 3.5 to 4 nanometres. The f/2 filters are optimised for very fast astrographs such as Celestron’s RASA optics.

All filters are available in standard sizes:

cmos-filter-groessen

With a line filter, astrophotography of luminous nebulae is possible even under a light-polluted city sky! These filters only allow those wavelenghts of light in which the selected celestial object shines to fall on the camera sensor. All other wavelengths are blocked. This produces high-contrast images of planetary nebulae, supernovae remnants and star-forming regions.

Three types of line filters are used in astrophotography, each of which is transparent to the brightest spectral lines of oxygen, sulphur or hydrogen atoms. Depending on the astronomical object, a single filter may be enough for a spectacular image. Combining three shots, each taken through a line filter, creates an ideal result.

The new generation of Baader CMOS-optimised filters is characterised by, among other things:

  • Reflex-Blocker™ coatings, for maximum insensitivity to retro-reflection from adjacent auxiliary optics, even under the most adverse conditions.
  • FWHM on each filter category carefully designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and S/N ratio.
  • Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim, to additionally eliminate any reflections due to light falling onto the edges of a filter.
  • Each filter is coated individually, with sealed coating edges.
  • Life-Coat™: Hard coatings to enable a non-aging coating for life – even in the most adverse environments.

Baader-Filter-Technologien

You can find all the new filters here in the shop.

Omegon Advanced 150mm: now with 2″ focuser

June 16 2021, Marcus Schenk

The Omegon Advanced 150/750 EQ-320 telescope is a popular instrument offering an introduction to the exciting hobby of astronomy. With a new, large focuser, you can now even use 2″ eyepieces. For stunning observing and almost limitless views of the cosmos.

2" Okularauszug beim EQ-320 6"

Until now, observers using the Advanced 150/750 EQ-320 have only been able to use 1.25” eyepieces and accessories, but with the new 2″ Crayford focuser (patent pending), you will literally grow your horizons. This gives you the freedom to choose the eyepieces and accessories you want to use.

These are advantages the focuser offers:

With the 2″ eyepieces available in our shop, you can reach a larger area of the sky than is possible with 1.25″ eyepieces. For example, you can capture full-size large nebulae or enjoy seemingly never-ending vast fields full of stars. It also makes it easier for you to find objects. In short, a 2″ focuser is a blessing for deep-sky observers who want to experience the skies as if through a panorama window.

What if you complement the standard 1.25″ eyepiece, as supplied, with a  2″ eyepiece? The Omegon SWA 32mm 2″ eyepiece offers a fantastic image and a real wow-effect for deep sky observing.

Smooth mechanics for precise focusing

Such large focusers are quite unusual for a 150mm Newtonian telescope. However, our development department wanted to ensure that even owners of medium and compact telescopes could benefit from wide-angle eyepieces. In contrast to a normal geared focuser, the new 2″ Crayford focuser with ball bearings runs totally free of play. This allows you to focus your object smoothly and with high precision.

The advantages of the Advanced 150/750 EQ-320:

  • Experience sharp and clear objects: with the parabolic primary mirror
  • 2″ Crayford focuser (patent pending) for 1.25″ and 2″ eyepieces: you can connect additional accessories at any time – even from other manufacturers
  • Equatorial mount: so that you can precisely track celestial objects
  • Trouble-free start in the sky: complete telescope with two eyepieces
  • Find objects easily and successfully with an illuminated LED finder
  • Immediately recognise stars, planets and nebulae – even if you’re an absolute beginner

The Advanced 150/750 EQ-320 telescope is available with immediate effect with a 2″ focuser.

Build your own OpenAstroTech mount!

June 11 2021, Stefan Taube

A photo mount allows you to track the rotation of the night sky on a camera equipped with a photo lens or a small telescope. This allows for long exposure shots of large areas of the night sky.

The manufacturer OpenAstroTech now offers a very functional, yet particularly inexpensive variant of a photo mount. The OpenAstroTracker is a mount you can build yourself!

Der OpenAstroTracker mit Kamera und optionalem Autoguider

The OpenAstroTracker with camera and optional autoguider

Building the mount yourself is not only fun and educational, you also get a powerful GoTo mount at an extremely low price thanks to the DIY approach!

Some of the features:

  • GoTo: The mount comes with full, computer-control functionality. The electronics are compatible with commonly used astronomy software.
  • Suitable for DSLR cameras with a maximum total length of 35cm (camera body with lens). The maximum recommended focal length without autoguider is 200mm.
  • High-precision stepper motors: GoTo positioning accuracy of approx. 1 arcmin, tracking accuracy of 25 arcsec, guided accuracy of approx. 1 arcsec.

What you will need: A USB power bank able to deliver at least 5V 1A

The OpenAstroTracker is available in different latitude setting versions. We will supply you with a set that allows you to set up the mount for a latitude of either 35° to 45° or 45° to 55°.

Der Bausatz OpenAstroTracker

The OpenAstroTracker kit

No need to worry: The electronic components are all designed for easy use. No soldering is necessary.

A matching DIY autoguider is also available as an option: OpenAstroGuider V2

Taurus Dobsonian telescope with PushTo

April 15 2021, Stefan Taube

The Polish telescope manufacturer Taurus is offering digital setting circles (DSCs) for upgrading their Dobsonian telescopes. This accessory provides the telescope with constant information about the position of its axes. If you simply connect your smartphone to the telescope, in a planetarium app you can see which area of the sky your telescope is looking at.

Taurus Dobson mit DSC-System

Taurus Dobsonian with DSC system

Of course, its inverse application is more interesting: Find an interesting object in the planetarium app and let your smartphone show you how you should move the telescope in order to observe this object through the eyepiece. This approach is also known as PushTo. You can find all PushTo telescopes here in the shop.

Taurus Bluetooth & WiFi PushTo DSC System

The Bluetooth and WiFi DSC system in detail

Your Taurus telescope can be fitted with a DSC at any time. However, we also offer all models with pre-installed DSC here: Taurus Dobson telescopes with PushTo.

Alongside the DSC encoders, Taurus also offers two other upgrade options:

These accessories can also be delivered pre-installed so that you don’t have to get your hands dirty.

In order not to get lost in the extensive selection of Taurus Dobsonians, you can tell which accessories are pre-installed by the product name:

  • Telescopes with the abbreviation SMH in their name are equipped with secondary mirror heating (SMH).
  • Telescopes labelled DSC (short for digital setting circles) are compatible with PushTo.
  • If the product name includes CF, the primary mirror is fitted with a cooling fan.

For example, the Taurus Dobsonian N 504/2150 T500 Professional SMH DSC CF features secondary mirror heating, digital setting circles and a primary mirror cooling fan.

We will gladly help you to select the right Taurus Dobsonian telescope for you. What you also need is a little patience as your Dobsonian is only manufactured when you place your order – they don’t stock mass-produced telescopes.

The little one with the turbo: the new and fast Omegon Astrographs

March 26 2021, Marcus Schenk

The new Astrographs from Omegon are special telescopes for full-frame cameras, and offer high light-gathering capabilities. With the dizzyingly fast aperture ratio from f/2.8 to f/3.2, you can take astronomy photos with extremely short exposure times.

Pole position on your mount

This telescope doesn’t need to warm up, it’s ready to go immediately for fast astrophotography. The 6-inch and 8-inch astrographs with f/2.8 and f/3.2 are about three times faster than a normal f/5 Newtonian telescope. This means you can take astronomical photos much quicker, and minimise tracking errors.

Short focal length, large field of view

Wide-field astrophotography is gaining ground and has a very large fan base thanks to mounts such as the MiniTrack. But with this telescope, you can go a step further into the detail and capture wide nebulae and create fantastic wide-field images.

Full speed for full-frame

With a 3-inch focuser, the built-in 3-inch corrector and a 90mm secondary mirror, the Omegon Astrograph illuminates a 44mm image circle, making it perfect for using with a full-frame, high-resolution camera. With a working distance of 55mm, you do not need any additional distance adapters for DSLR cameras. With the Omegon Telescope Pro Astrograph N200/640 OTA, you have a screen diagonal of about 3.8 degrees, with a standard full-frame sensor. This makes the California Nebula in Perseus, the Andromeda Galaxy or the area around the Veil Nebula amazing destinations.

Elegant carbon tube

The new astrograph not only looks elegant and high-quality, it actually is. The carbon tube offers you the additional advantage of stable focus, because the material is particularly thermally-stable.

The models are available in the following variants:
Omegon Telescope Pro Astrograph N150/420OTA
Omegon Telescope Pro Astrograph N 200/640 OTA

Do you want to explore new horizons in astrophotography? Then get to know the Omegon Astrograph.

Astronomik MaxFR: Narrow band line filter for fast scopes

March 25 2021, Stefan Taube

The new filters in the MaxFR range are optimised for astrophotography using very fast telescopes, such as the Celestron RASA scopes or the Takahashi Epsilon astrographs.

Astronomik has made these filters available for the three most important spectral lines, namely OIII, H-alpha and SII, each available in half widths of 12 and 6 nanometres.

Astronomik Filter H-alpha 12nm

An H-alpha clip filter for Canon cameras from the MaxFR range

When you observe beneath brightened skies, astrophotography with line filters provides you with the best opportunties to capture successful images. Generally, an H-alpha filter is the first sensible purchase: Using this filter, you can effortlessly capture detailed images, even during the full Moon or beneath heavily brightened skies! It is also the correct filter for all nebulae which emit red light.

The OIII filter significantly increases your options as it enables all green/blue structures to be captured in detailed and high-contrast images. Planetary nebulae and star formation regions are especially rewarding targets!

The SII filter then completes your filter set, and enables you to create the same colour photographs as the Hubble Space Telescope using the three channels!

Which half width is right? In short, the use of 12 nanometre filters is ideal for DSLR cameras and all dark-current-limited cameras. Further suppressing the sky background using a narrower half width does not create more detail with these cameras. The 6 nanometre filters are the right choice for locations with more light pollution and for cameras with extremely low dark current, for example cameras with very good cooling. Especially in very starry regions of the Milky Way, the 6nm filter can also capture weak objects in high-contrast without them becoming lost in the mass of stars.

You can find an overview of all filters in the range here.

Set your sights on an even wider range of Omegon Pro Apochromats now

March 24 2021, Marcus Schenk

Omegon’s fleet of Pro Apochromats has been strengthened. The range has been supplemented by equally stylish and powerful refractors that perform far better than ordinary refractors.

Omegon’s new apochromats were developed for ambitious astrophotographers who want to take brilliantly-sharp photographs of the universe. These apochromats deliver superb image sharpness and wonderful contrast across the entire field and will help you take the perfect photo. These instruments are equipped with ED lenses, integrated correctors, CNC tubes and large focusers. All for stunning image sharpness.

Whether it’s a compact 61mm instrument for travel or a 140mm flagship model, you can choose from a range of options to suit your specific mount and needs. You can also choose between doublet, triplet, quadruplet and quintuplet apos, models with two, three, four or even five lenses.

Many instruments can also be ordered with an individual optical test report;  a seal of quality for your telescope that also permanently increases its value.

The Andromeda Galaxy

And here is the fleet of telescopes at a glance:

  1. Apo 61/335 ED Doublet OTA #65141

A portable and compact apochromat that’s got it going on: The 61mm apo is small, yet it features a high quality 2.5″ focuser with a 1:10 reduction. Even at this size, it’s all premium quality.

  1. Apo 61/274 ED Doublet OTA #69472

Large optics aren’t always crucial, because there’s no substitute for a dark and crystal-clear sky. But this can sometimes be cumbersome to access with large optics. If you like to travel and shoot large-area objects, you will love the 61/274 ED Doublet.

  1. APO 72/400 Quintuplet ED OTA #65156

Perfect, true-colour images of ultra-sharp stars right to the edges: The 72/400 Quintuplet achieves this with ease. With a total of five lenses, two of which are ED lenses, it offers exceptional contrast with a fully-corrected and flat field of view.

  1. APO 76/342 Triplet ED OTA #69473

This apo will accompany you wherever your journey takes you. Weighing in at just 4 kilograms and only 333 millimetres long, this telescope can also be used with travel and mini mounts. This telescope is a true master of its craft when it comes to wide-field images and targets, such as the Andromeda galaxy. The 76mm triplet also makes an excellent telephoto lens for nature photography.

  1. APO 76/418 Triplet ED OTA #65142

Like the previous apo, this one also delivers an impressive image, but with a slightly longer focal length. Both 76mm units have a 3″ rack and pinion focuser with a 1:10 reduction.

  1. APO 80/500 Triplet ED OTA #60856

An apochromat with a clear and true-colour image, even at very high magnifications. The beautifully-crafted focuser is 2.5″, larger than that of most 80mm telescopes. The advantage: so much illumination that even your full-frame camera will have fun with it.

  1. APO 94/517 Triplet ED OTA #65147

The 94mm aperture allows you to quickly and easily photograph astronomical objects and celestial events. The 94/517 Triplet is superbly-crafted and features two ED elements within the triplet design. This produces a clear and true-colour image of bright stars or the lunar limb. This telescope also cuts a perfect figure for visual observation at high magnifications. Definitely a hot tip for apo lovers.

  1. APO 100/580 Quadruplet ED OTA #60854

This quadruplet apochromat has four lens elements. It offers both superb imaging and a corrected flat field of view. This means that you no longer need to adapt any correctors, because the optics already reveal sharp stars right to the edges. The 3.5″ focuser provides plenty of options for connecting other accessories. This apochromat also fully illuminates the field of view of full-frame cameras.

  1. APO 121/678 Quintuplet ED OTA #65143

With five lenses for stunning images, the 121/678 is not only fast, but also offers outstanding optical performance. What does that mean? A triplet apo lens for true-colour images and an additional two-lens flattener for a flat field. With 60mm field illumination, this telescope is also perfectly suited for very large sensors. An immense backfocus of 145mm and a 4″ focuser offer the possibility to connect heavy cameras and various accessories.

  1. APO 140/910 Triplet ED OTA #65144

A triplet apochromat with two ED lenses at the front and rear of the objective.  It provides exceptionally-good colour correction. With a 4″ R&P focuser and 44mm image circle, this telescope is also suitable for full-frame cameras. A premium instrument for anyone who cares about luminous intensity.

Are you an astrophotographer looking for the perfect instrument? You might want to take a closer look at these apochromats.

Premium large binocular sets with mount, central gear column and tripod

February 17 2021, Marcus Schenk

One thousand and one. No, we are not talking about the Arabian Nights, rather we are talking about the available selection of suitable binoculars for observation. One thousand and one is approximately the number of binoculars between which you can choose.

Which binoculars fit your tripod? And what connects the two? Just like a telescope lens, astronomical binoculars on their own are like a three-legged horse. You just won’t reach your destination with it. You also need a mount and a tripod. However, the heavier the binoculars, the more difficult it is to make the right decision.

We have six created different sets for you, consisting of Omegon Brightsky binoculars, a massive Neptune fork mount and a stable carbon tripod. If any binocular and tripod combo has ever earned the description of “solid as a rock”, this is it.

Why Brightsky large binoculars are the right choice for astronomers

Brightsky large binoculars come in three different objective aperture sizes, namely 70mm, 80mm and 100mm, and with an eyepiece of either 45 or 90 degrees. Tempered lenses in a sturdy magnesium casing offer clear views of the sky or distant objects in nature. So that your binoculars can also accompany you on every outing throughout the years, they are also waterproof and nitrogen-filled.

Brightsky large binoculars come with two 18mm flat field wide-angle eyepieces for fantastic observations. Other astronomical eyepieces can also be inserted, just like with a telescope.

Das Brightsky Fernglas komplett im Set mit Gabel und Stativ

The Brightsky binoculars set complete with fork mount and tripod

Neptune: the best fork mount in the Galaxy?

The Neptune premium fork mount is a new development for demanding binocular astronomers. Namely for those who have finally had enough of vibrating instruments. This fork mount competently supports large binoculars up to 290mm in width and nine kilograms in weight. Stable profiles and large Teflon bearings provide silky-smooth movement along both axes and make it simple to navigate the skies. We pay particular attention to quality during manufacturing – which is why we have these fork mounts manufactured exclusively in Portugal.

Superior carbon tripod – with central crank column

So that the foundations are also right, the binocular and fork mount combination sits on top of a carbon tripod having 40mm legs. Ultralight construction but uncannily sturdy: this tripod carries up to 50 kilograms in weight. The tripod can be raised to a height of 1.9m and has an additional central crank column. This means you can easily and quickly position your binoculars perfectly for each observer.

Who are the sets suited to? 

– For amateur astronomers who want to finally have binoculars which will satisfy them for years

– For observer who don’t want to keep searching and don’t want to have to keep compromising

– For astronomy enthusiasts who want to experience the night sky intensely using both eyes

The set consists of:

– Brightsky large binoculars with 70, 80 or 100mm objective aperture and two 18mm flat field eyepieces

– Neptune fork mount for large binoculars

– Omegon 40mm carbon tripod with central crank column

These premium large binocular sets with mount and tripod let you see how much fun binocular astronomy can be. We also recommend that you look at the binoculars with fork mount at the same time!

Explore Scientific: Guidescope and finderscope in one

February 9 2021, Stefan Taube

Small telescopes which are mounted parallel to the telescope fulfil two purposes: as a finderscope, they help the observer to navigate the night sky, whilst as a guidescope, they help with the astronomical mount’s precise tracking.

Explore Scientific Guidescope 8x50 Helikal

Explore Scientific 8×50 helical guidescope

The manufacturer, Explore Scientific, has produced two models which superbly meet the requirements for both of these:

Both scopes are equipped with a removable eyepiece. Without this eyepiece, they can be used as a guidescope with a helical focuser. They use a guiding camera with a mating dimension of 1.25”. With the aid of the guide sleeve clips, the guidescope can be aligned to a guide star. The camera keeps this firmly in view and corrects minute mount errors using drive pulses.

Using the eyepiece, small telescopes are converted into high-quality finderscopes, producing images vastly superior to standard finderscopes. The eyepiece is fitted with an illuminated crosshair.

Abnehmbare Okulareinheit

Removable eyepiece

Thanks to this practical solution provided by Explore Scientific an auxiliary telescope is only required for different applications.

New: StarAid Revolution standalone autoguider

January 21 2021, Stefan Taube

Autoguiding is understood to refer to the automatic monitoring of the tracking of astronomical mounts. This monitoring is required for astrophotography in order to keep the targeted object steady on the camera’s sensor.

There are a multitude of cameras available for autoguiding, however they require a laptop or PC and suitable software. Now, standalone solutions are coming out which do not require these supports. The latest innovation in this field is the StarAid Revolution autoguiding camera. Tracking monitoring is extremely simple using this!

StarAid-Kamera-Standalone-Autoguider-Revolution-Revision-B

StarAid Revolution standalone autoguider revision B

Plug & Guide: Connect the camera to your guide scope, connect it to your mount via the guide port, and voila! The camera kicks into action after around 30 seconds and sends corrective impulses to your mount’s motors.

But the StarAid Revolution can do even more: For example, polar alignment, the precise alignment of your mount with the Earth’s rotational axis. It is even possible to control the astronomical camera. An app is available for these additional options and also to monitor the tracking. In order to allow you to connect your smartphone to your autoguider, the StarAid Revolution creates its own WiFi network.

Revolution is a big word. Here, it really does apply!

29.07.2021
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