Bresser Pegasus 130/650 EQ3 Reflector Telescope

Astro all-rounder: the entry-level telescope with extensive astronomy accessories for an easy start shows you the Moon and planets as well as deep sky objects

Complete set of telescope, tripod, mount and accessories
Easy-to-use reflector telescope for beginners
Fine adjustment with flexible shafts in 2 axes
Telescope aperture: 130 mm / focal length: 650 mm
Universally applicable for Moon, planets and deep-sky objects
Plenty of accessories to get started immediately

Who doesn't dream of exploring the beauties of the universe with their own eyes? This complete telescope set allows you to make your first celestial observations immediately and very easily. It contains everything you need for your new hobby: a reflector telescope with 130 mm aperture and 650 mm focal length, an equatorial mount, a tripod and extensive accessories for astronomical observations. The system is easy to operate and very flexible. You can look forward to fascinating views of the Moon and planets. Star clusters and gas nebulae also look impressive through the user-friendly entry-level telescope.

Easy start with the astronomy all-rounder – the telescope
The set includes a true classic among the reflector telescopes, a so-called Newtonian reflector. With this type of telescope, you look in at the front of the tube instead of at the back. The advantage: the observing position always remains comfortable, even when the telescope is pointed vertically upwards. In addition to observing comfort, reflectors also impress with their optical performance. After all, they are absolutely free of chromatic aberrations and thus offer good imaging properties.

Due to its 130 mm aperture, the entry-level telescope already collects a lot of light from the celestial objects. In addition, there is the short focal ratio (ratio of the aperture to the focal length) of 1 to 5 (F/5), which derives from the 130 mm aperture and the 650 mm focal length. As a result, the fast beginner's telescope shows a bright image and enables high magnifications. You also benefit from the flexibility of this astronomical telescope: Admire the fascinating view of open and globular clusters such as M13 in the constellation Hercules at low to medium magnification. Or marvel at gas nebulae such as the famous Orion Nebula M42. At high magnifications, on the other hand, the entry-level telescope brings you closer to the impressive planets and exciting details on our Moon.

How big do the astronomical eye-catchers appear? Due to the resolving power achieved with the aperture of 130 mm, the telescope shows you sharp images at magnifications up to about 260x. With the included accessories, you can already reach 195x. The technology allows even more, but the image sharpness can decrease at even higher magnifications. However, it is not only the telescope that determines how much you can magnify. It also depends on the air turbulence in the atmosphere (seeing conditions).

Note for nature lovers:
If you choose a Newtonian telescope like the Pegasus reflector telescope, you can look forward to a specialist in astronomical observation. However, the image is always displayed laterally reversed as well as upside down, which makes no difference when observing the sky. However, this type of telescope is less suitable for nature and landscape observation during the day. Would you like to use your new telescope for exciting nature discoveries as well? Then we recommend that you choose one of the BRESSER refractor telescopes.

User-friendly base – mount and tripod
Found the perfect place for your celestial observations? Then you can start installing your astronomical telescope on the height-adjustable stainless steel tripod with equatorial mount. The advantage over azimuthal mounts: you only have to move along one axis instead of two. The reason is that you align the other one parallel to the earth's axis beforehand. This so-called "alignment" is very easy: you simply point the axis approximately at Polaris. In addition, the mount comes equipped with two flexible shafts with fine adjustment. Perfect for aligning and tracking the telescope particularly precisely and comfortably. Everything always within reach: on the practical storage plate, your accessories are quickly at hand if needed.

Keep track of things automatically: For this telescope’s equatorial EQ-3 mount, the tracking motor with item number 4951400 is available as an optional accessory. This eliminates the need to manually track a celestial object set in the telescope. When this motor is installed at the mount, it automatically tracks the celestial object, keeping it in the field of view of the eyepiece. This makes observing the night sky even more comfortable!

Complete astro package to start stargazing immediately – the accessories
The comprehensive astronomy accessories make it easier for you to get started and enable you to see your favourite celestial bodies from completely different perspectives. To align the telescope and find your way around the night sky you can mount the LED finder parallel to the telescope. The method is simple: a red dot is projected onto a small ground-glass screen inside the viewfinder. When you look through the dot appears to hover in front of the sky – exactly at the point where the entry-level telescope is pointed. This way, you can easily find astronomical objects through the illuminated dot finder and then marvel at them in detail using the high magnification of your telescope.

Vary your view of the stars: with the two eyepieces (10 mm and 25 mm), you can admire your nocturnal observation objects in two different magnifications. They are simply inserted into the eyepiece focuser of the telescope via their 1.25-inch-sockets, which is a standard diameter.
You want to look even closer? Then the included 3x barlow lens can triple the magnification of the eyepieces.

Explore the night sky on your own through the versatile BRESSER Pegasus 130/650 EQ3 reflector telescope.

FEATURES

Reflector telescope for beginners with 130 mm aperture and 650 mm focal length
Reflector type: Newton
Good for observing Moon, planets as well as star clusters and gas nebulae
Height-adjustable tripod with equatorial EQ3 mount
Precise positioning due to flexible shafts and fine adjustment in both axes
Easy to use, very well suited for beginners
Focal ratio F/5, thus well suited for many celestial objects
1.25 inch (31.7 mm) focuser
Two eyepieces and a barlow lens with 1.25 inch (31.7 mm) sockets for different magnifications

SCOPE OF DELIVERY

Telescope
Stainless steel tripod
Equatorial EQ3 mount
Eyepieces: 10 mm and 25 mm (1.25 inch sockets)
Barlow lens 3x (1.25 inch socket)
LED illuminated dot finder
Accessory tray
Astronomy software download
Instruction manual

Some items that are showing as in stock are in stock at our holding warehouses, not at the shop. To double check the stock levels at the shop, please contact us on 01909774369 or sales@rothervalleyoptics.co.uk.

The delivery times for most items is 1 - 2 days but again, please double check stock levels on important orders before placing an order via the website.

The delivery costs for courier next day are for mainland UK only. If you live in the Scottish Highlands/Islands, Channel Islands or Northern Ireland, then a shipping surchage will apply. please contact us for prices. Smaller items can still go 1st class via Royal Mail.

Please note that if you are wanting to take advantage of our Saturday and Sunday timed services or next day pre 12 or pre 10:30 services, you MUST check that the stock is here at the shop before placing orders. Also, orders using the Saturday and Sunday services must be placed before 1pm the previous working day. Also, please remember to check that the stock is here at the shop before placing orders. If the stock is not at the shop, we won't be able to ship on any of the timed services. 

Please note International customers will need to contact us for a shipping price prior to ordering via the website. We don't ship all items internationally. It is at our discretion what we ship outside of the UK. This all depends on the size and weight of the items. Please get in touch with us for any postage costs. Please note we do NOT ship telescopes or heavy items outside of the UK. This is due to massive postage costs and problems regarding returns.

If you have any questions regarding stock levels or delivery, please get in touch.

Zygo Interferometer Testing For ED Refractor Telescopes!

We are extremely pleased to announce our Zygo Interferometer is now installed and ready for use! Our experienced staff can test refractor lenses up to 120mm aperture and provide a comprehensive 2 page report showing the optical quality and Strehl ratio, plus much more information. We are using the very latest Zygo MX software to provide a more detailed report compared to other standard reports.

The interferometer is essentially a measuring instrument. Within the interferometer is a calibrated laser that is pointed through the optical test surface, then onto a high quality reference sphere, then back through the test subject then to an internal camera which gives us the measurement on the screen. From this, we can adjust the position of the test optic and the reference sphere to obtain a perfectly calibrated system. The more central the laser to the test optic and then on return, the better and more accurate reading and measurement we can take. This takes a lot of adjustment to get the best results from the optical surface. Once the measurement has been taken, we are provided with a series of results that show the optical quality of the surface plus other information. Continue reading for an explanation of the individual values and you can also see a test report that was done on one of our RVO Horizon 60 OTAs. 

We are offering certain telescopes with a Zygo test at an extra cost. Mainly ED doublets and triplets. All available telescopes with a Zygo test report are listed here. Just select Zygo Test Report from the drop down box at the top of the listing and we will test the optics in house and provide a full 2 page report with your scope. This will show you the optical quality of your telescope optics. We can also offer this service on your refractor telescope. Please get in touch for more details about this. 

At Rother Valley Optics, one thing we pride ourselves on is customer service and quality of our equipment. When we test your telescope, we will ensure that it is of the highest quality otherwise, we will reject the scope under our strict quality control and test another model for your peace of mind. One of the main values to look at when testing a refractor is the Strehl ratio. The higher this number, the higher quality lens you have. At Rother Valley Optics, we will guarantee the highest possible Strehl ratio for your telescope.  We will aim to provide 0.95 Strehl or higher on Takahashi, RVO Horizon, William Optics and many more! Generally, the higher the Strehl ratio, the lower the Astigmatism and Coma meaning a better image quality from your instrument. 

Other measurements such as the PV and RMS are important too. With these measurements, the lower the number the better as it shows less curvature on the lens. The flatter an optical lens, the better it will perform. The PV rating (Peak To Valley) is a measurement from the highest point (Peak) to the lowest point (Valley). From this we get the RMS (Root, Mean, Square). This is a similar figure to the PV and measured exactly the same way. The RMS is basically an average height difference from the PV so again, the lower the better. As you can see form the example below, we measured an RMS of just 0.027 wave which is a very good value.

We also measure the Power with our systems which is essentially the error from the reference sphere to the test optic. The reference sphere we use on our system is a very high quality sphere so the closer to zero the Power, the less error between the 2 elements thus ensuring a higher quality optical surface. 

You will also see some more values such as Astigmatism and Coma. Again, these are measured by the interferometer when we take measurements of the optical surface after adjustment. These are values which ideally would be at 0 but as our test optics are all curved lenses, there will always be astigmatism and coma present. The lower the number, the less of these aberations you will effectively see but with most refractors, you can buy field flatteners which will compensate for the coma anyway. The astigmatisms value is explaining the error between the symmetrical curvature of the lens. Basically, no lens will be perfectly symmetrical, the lower the astigmatism, the more symmetrical the lens surface is. 

Once the Zygo test report has been completed, the optical alignment is thoroughly tested and tuned to ensure they are spot on before they leave us. 

All available telescopes are on the website at the link below and ones we've tested already that are available straight away are also listed.

https://www.rothervalleyoptics.co.uk/zygo-tested-refractors.html

Here is an example of the test what we provide. This was a test on one of our Horizon 60 ED OTA's.

For any questions about this amazing new service, please either call 01909774369 or email sales@rothervalleyoptics.co.uk.

Are you interested in this product but would like to speak to someone with some more information? Simply fill in the form below and we will get back to you as soon as we can!

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