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Summary of Contents for Omegon 150/750 EQ-4
- Page 1 Instruction Manual Omegon® 150/750 EQ-4 English version 12.2014 Rev A...
- Page 2 The Omegon® 150/750 EQ-4 Congratulations on the purchase of the new Omegon® 150/750 EQ-4. This advanced telescope will give you hours of fun, with its all optical glass lens and light gathering ability, it is the ideal companion for deep sky observation. With this telescope you will be able to see the craters on the Moon, star clusters, nebulae the Jupiter disc features and its Galilean moons and the rings of Saturn.
- Page 3 Figure 2. Set the tripod. Figure 3. Tray placement. Figure 5. Thread the counterweight shaft. Figure 4. Place the equatorial mount. Place the tube rings (figure 7) on the mount platform and make sure both clamp knobs are facing the same side, they will be used to place and remove the optical tube when necessary.
- Page 4 Figure 7. Place the tube rings. Figure 8. Place fine adjustment knobs. rings and clamp the two knobs. Slide the tube so that the focuser is pointing up and is more or less centred. Depending on the telescope tube weight you might find useful to use two counterweights.
- Page 5 Figure 12. Place finderscope. Figure 13. Locking handknobs. Note the two locking handknobs (fgure 13). When released they work as clutches and allow free movement in both axis. When fully tightened you can use the fine adjustment knobs (figure 8). For easy operation the telescope still needs to be balanced.
- Page 6 Figure 18. Adjust the primary mirror. Figure 17. Adjust the secondary mirror. 4. Alignment of the optics and collimation. Telescopes require periodical checking for the alignment of the optics. The optics should be aligned (or collimated) so that the telescope can achieve a good performance and deliver a sharp image.
- Page 7 4.1. Collimate the optics. Remove the eyepiece from the telescope’s focuser. If you look directly to the secondary mirror, you will see a reflection of your eye. The light is being reflected from the secondary mirror to the primary and back. Figure 20 shows the different stages of collimation.
- Page 8 4. Start using your Omegon 150/750 EQ-4 telescope. Point the telescope to a distant object during the day. It is important to do this during daylight so that you get familiarized with the telescope operation. A good target is a church tower, a chimney or a distant mountain peak. Rotate the focuser knob so that the focuser tube moves in and out.
- Page 9 5.2.1. A distant object is centered at the telescope’s field of view. In this example we have a house with a chimney. The chimney is the reference point to place at the center of the field of view. We first look through the telescope with the lowest magnification possible (PLössl 25mm should be preferable), so we have the widest field of view.
- Page 10 This means that the Plössl 25mm eyepiece 6. Using the accessories, a bit of math to provides a 30x power (magnification). This understand how all it works. seems low, but try it, you will see a bright Using the accessories is easy and fun. To image with a lot of detail.
- Page 11 6. What can been seen with this telescope? Below you will find some examples of what you can expect to see when using this telescope. 6.1. The Moon is one of the most spectacular objects to be seen through a telescope. Even a small telescope will reveal high detail of the Moon’s surface.
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Page 12: Troubleshooting And Frequently Asked Questions
Q: Is my telescope compatible with other eyepieces ? A: Omegon telescopes are compatible with all telescope eyepieces from different manufacturers as long as the eyepiece is a 1.25” (or 31.75mm) size eyepiece. If you would like to test an eyepiece from a fellow astronomer go ahead.
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