Skip to main content Skip to search Skip to main navigation

EXPLORE SCIENTIFIC TELRAD Riser Base 51 mm (2")

Help & Service for your product

Here you will find quick help, answers to frequently asked questions, and the direct path to support.

Service Portal

Please use our product help search to find answers to your questions. Simply enter the item number or EAN and open the appropriate help page directly.

Service Portal

Guides & Tips

FAQ - Frequently Asked Questions

That is normal. Finder scopes are only used to make objects easy to locate. The image orientation does not matter for observation.

  • Alt-azimuth: easy to use, moves horizontally and vertically
  • Equatorial: enables precise tracking of objects with only one axis – ideal for high magnifications and astrophotography

  • Moon: from 30 mm
  • Planets: from 100 mm
  • Deep sky: from 150 mm
Are you a member of an astronomy club? Find out here what your benefits are.
View conditions

Product and safety instructions


Manufacturer: 
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede

Contact: 
www.bresser.de


Warning notes
  • General safety instructions DANGER Risk of eye injuries! Never look directly at the sun or near the sun through this device. There is a risk of blindness! Children should only use the device under supervision. Keep packaging materials (plastic bags, rubber bands, etc.) away from children! There is a risk of suffocation! FIRE HAZARD! Do not expose the device – especially the lenses – to direct sunlight! The light concentration could cause fires. RISK of material damage! Do not dismantle the device! In case of a defect, please contact your dealer. They will contact the service center and may send the device in for repair. Do not expose the device to temperatures above 60°C!
Skip product gallery

Accessories

EXPLORE SCIENTIFIC TELRAD Projection Finder Scope with base
The TELRAD viewfinder is a projection finder that can be installed on any telescope and makes it child's play to align the telescope with the starry sky.The TELRAD viewfinder is a practical alternative to classic optical viewfinders and illuminated red dot viewfinders. You can see the complete starry sky without magnification, and not just a small section as with a normal optical viewfinder. Against this background of the starry sky, three red luminous concentric rings are projected, with apparent diameters of 4 degrees, 2° and 0.5° in the sky. Move the telescope so that the object you are looking for is in the inner ring, and the telescope points in the right direction. Because the object you are looking for is inside the ring, it will not be irradiated like a normal illuminated red dot finder.The base of the TELRAD viewfinder is self-adhesive and can be mounted on all telescopic tubes from about 10cm diameter. The length of the base is about 18cm. This base remains on the telescopic tube, the TELRAD viewfinder itself can be removed or attached at any time by means of the attached quick coupling. The TELRAD is powered by two normal AA batteries (not included).There are star atlases, like the "Deep Sky Travel Atlas" from Oculum-Verlag, and planetarium programs for the PC, like the program "Stellarium", where the three rings of the TELRAD are already drawn or can be displayed around the interesting celestial objects. This makes finding these celestial objects a real walk.FEATURESTELRAD projection finderIlluminated rings of 4 degrees, 2° and 0.5° in the skySee the complete starry sky without magnificationEasy installation and useCan be installed on nearly every telescopesBase with quick release coupling included Powered by two AA batteries (not included) Very long battery life because of LED technologySCOPE OF DELIVERYTELRAD viewfinder with projector and battery compartment TELRAD base with quick-release coupling for the viewfinder Adhesive tape for attachment to telescope

Available

€65.00*
Skip product gallery

Customers also bought

EXPLORE SCIENTIFIC TELRAD Projection Finder Scope with base
The TELRAD viewfinder is a projection finder that can be installed on any telescope and makes it child's play to align the telescope with the starry sky.The TELRAD viewfinder is a practical alternative to classic optical viewfinders and illuminated red dot viewfinders. You can see the complete starry sky without magnification, and not just a small section as with a normal optical viewfinder. Against this background of the starry sky, three red luminous concentric rings are projected, with apparent diameters of 4 degrees, 2° and 0.5° in the sky. Move the telescope so that the object you are looking for is in the inner ring, and the telescope points in the right direction. Because the object you are looking for is inside the ring, it will not be irradiated like a normal illuminated red dot finder.The base of the TELRAD viewfinder is self-adhesive and can be mounted on all telescopic tubes from about 10cm diameter. The length of the base is about 18cm. This base remains on the telescopic tube, the TELRAD viewfinder itself can be removed or attached at any time by means of the attached quick coupling. The TELRAD is powered by two normal AA batteries (not included).There are star atlases, like the "Deep Sky Travel Atlas" from Oculum-Verlag, and planetarium programs for the PC, like the program "Stellarium", where the three rings of the TELRAD are already drawn or can be displayed around the interesting celestial objects. This makes finding these celestial objects a real walk.FEATURESTELRAD projection finderIlluminated rings of 4 degrees, 2° and 0.5° in the skySee the complete starry sky without magnificationEasy installation and useCan be installed on nearly every telescopesBase with quick release coupling included Powered by two AA batteries (not included) Very long battery life because of LED technologySCOPE OF DELIVERYTELRAD viewfinder with projector and battery compartment TELRAD base with quick-release coupling for the viewfinder Adhesive tape for attachment to telescope

Available

€65.00*
EXPLORE SCIENTIFIC TELRAD Base Plate
If you want to use your TELRAD viewfinder with several telescopes, simply use this extra base plate with quick-release function.SCOPE OF DELIEVERYone extra Base plateAdhasive tape

Currently unavailable

€16.00*
Skip product gallery

Customers also viewed

EXPLORE SCIENTIFIC TELRAD Dew Shield
The TELRAD dew cap prevents the projection screen from fogging up in unfavourable weather conditions. The functionality is quite simple. If the TELRAD viewfinder is not used in the meantime, simply flip the dew cap over the viewfinder projection screen. This saves the annoying wiping off of the humidity and the viewfinder is always ready for use. The dew cap is made of impact-resistant plastic and additionally protects the viewfinder projection screen from scratches during transport. The retrofitting of the dew cap is very easy and is done by the two screws on the side. FEATURESdew cap for TELRAD projection viewfinderprojection screen cover when not in use prevents fogging of the projection screen made of impact-resistant plastic protects the viewfinder from damage easy installation on TELRAD viewfinderSCOPE OF DELIVERYdew cap, 1 piece

Available

€29.00*
BRESSER Messier MC-100/1400 EQ3 Maksutov-Cassegrain Telescope with Smartphone Adapter & Solar Filter
Take your first steps into the wonderful world of astronomy – with this complete set consisting of an astronomical Maksutov-Cassegrain telescope with 100 mm aperture and 1400 mm focal length, equatorial EQ-3 mount, tripod and extensive accessories. The special feature of this beginner’s telescope: Due to the high contrast, you can start your journey to the stars wherever you like – even in the middle of a brightly lit city. And yet the extremely compact telescope takes up very little space on balconies, terraces and the like. The system is easy to handle and therefore perfect for beginners. The optics show especially the Moon and planets at their best. Ideal for all travel-loving amateur astronomers: due to its compact design, the telescope is also perfectly suitable as a travel telescope. Compact high-quality optics for beginners – the telescope Powerful optics with a long focal length in a very compact design for easy transport – that is what Maksutov-Cassegrain telescopes offer. The design principle: The optics combine mirrors and lenses with very good imaging properties. With the 100 mm aperture, the BRESSER Messier MC-100/1400 already collects a lot of light and offers a good resolution. Due to the extremely large focal ratio of 1 to 14 (F/14), which results from the 100 mm aperture and the 1400 mm focal length, you enjoy a very sharp image with excellent contrast. This means that the telescope is an absolute specialist when it comes to exploring the Moon, Sun and planets. But you can also look forward to observing many deep-sky objects through your telescope for beginners. Admire open star clusters, globular clusters and so-called planetary nebulae such as the impressive Dumbbell Nebula M27. Really sharp images with up to 200x magnification – no problem thanks to the resolution of the 100 mm aperture! From a purely technical point of view, even more is possible in terms of magnification. However, increasing magnification often results in a loss of image sharpness. Moreover, the telescope is not the only factor when it comes to the question of how high you can magnify. The air turbulence in the atmosphere (seeing conditions) also plays an important role. Good foundation for your space exploration – mount and tripod While you enjoy the view of the sky, your Maksutov-Cassegrain telescope is perfectly mounted on the height-adjustable aluminium tripod with equatorial EQ-3 mount. The equatorial design has a decisive advantage: Unlike azimuthal models, you have to compensate for the movement of the celestial bodies on just one axis. To do this, you align this particular axis of the equatorial mount parallel to the Earth's axis by pointing it approximately at the polar star – also known as "alignment". Thanks to the two flexible shafts with fine adjustment, tracking and adjusting the telescope is extremely comfortable and precise. The storage plate between the tripod legs keeps your astronomy accessories ready for any exciting discovery.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 equipment for your start in astronomy – the accessories Unpack and get started straight away – with the extensive accessories, you can immediately set off on your own exploration trip through our solar system. The LED viewfinder allows you to find celestial objects easily and align the beginner's telescope precisely. For this purpose, the viewfinder is mounted parallel to the actual telescope. And this is how it works: Inside, a red dot is projected onto a small ground-glass screen. When you then look through the LED viewfinder, this dot appears to be floating in front of the sky – exactly where your telescope is pointing. The eyepiece included in the astronomy set is impressive as well. The 26 mm Plössl eyepiece offers a 54x magnification and very good imaging properties. Simple upgrade: Because the tube diameter of 31.7 mm (1.25 inch) corresponds to an international standard for all manufacturers, you can easily extend your astronomy starter set with additional eyepieces. This way you can admire your favourite sights in other magnifications as well. Especially when the telescope is pointed vertically into the sky, the 90-degree star diagonal mirror proves to be very helpful. It allows you to look into the telescope comfortably from the side, even at unfavourable viewing angles. Fascination Sun – with the Maksutov-Cassegrain beginner's telescope, you can take a close and safe look at our own star. Simply attach the solar filter to the aperture. The sight of sunspots and granulation on the Sun is guaranteed to amaze you! ATTENTION: Never point the telescope at the Sun without the solar filter! Capturing breathtaking astronomy moments is easier than ever. Simply place your mobile phone with the smartphone adapter on the eyepiece, take pictures and share the most beautiful snapshots of the Sun, Moon etc. immediately. FEATURES Maksutov-Cassegrain telescope for beginners with 100 mm aperture and 1400 mm focal length Very good for observing Sun, Moon, planets and star clusters Very compact dimensions, therefore well suited for the balcony or as a travel telescope Height-adjustable tripod with equatorial EQ3 mount Precise adjustment through flexible shafts and fine adjustment in both axes Easy to use, good for beginners Focal ratio F/14, thus very sharp image and excellent contrast 26 mm eyepiece of the "Plössl" type with 31.7 mm (1.25 inch) sleeve for 54x magnification Safe solar observation with the included solar filter Entry into astrophotography with smartphone camera adapter SCOPE OF DELIVERY Telescope Aluminium tripod Equatorial EQ3 mount Eyepiece: 26 mm Plössl (1.25 inch socket) Star diagonal mirror LED illuminated dot finder Solar filter Smartphone camera adapter Accessory tray Astronomy software download Instruction manual

Currently unavailable

€349.00*
EXPLORE SCIENTIFIC
The Pulser enables the setting of a flashing frequency of the projected graduated circuits. This improves the detection of faint objects, because the overlap with the graduated circuits is removed according to the flashing frequency. FEATURES TELRAD Pulser for illumination unit Enables setting of a flashing frequency of the projected graduated circuits For improved detection of faint objects SCOPE OF DELIVERY 1x TELRAD Pulser for illumination unit

Available

€33.00*
EXPLORE SCIENTIFIC TELRAD Riser Base 102 mm (4")
The Riser Base increases the distance between the TELRAD viewfinder and the telescope tube. This allows a more comfortable view into the viewfinder. FEATURES Increases the distance between TELRAD viewfinder and telescope tube Enables a more comfortable view into the viewfinder Dimensions: 180 x 60 x 102 mm; weight: 120 g SCOPE OF DELIVERY 1x TELRAD Riser Base 102 mm (4")

Currently unavailable

€29.40*
EXPLORE SCIENTIFIC TELRAD Base Plate
If you want to use your TELRAD viewfinder with several telescopes, simply use this extra base plate with quick-release function.SCOPE OF DELIEVERYone extra Base plateAdhasive tape

Currently unavailable

€16.00*