The mount is very sturdy for this lightweight OTA; the problem is the mount head bolt is epoxy fixed, so the head cannot be replaced. The scope itself has the longer 660mm focal length, as compared to the standard 600 of most 100mm objectives. The doublet achro lens are single coated for anti reflections; however, this does not detract from image quality. The lens housing is plastic. The dew shield is too short to be effective at reducing light reflections. The 2" focuser has the longer tube, to accomodate the longer focal length; as it would seem the normal 600mm scopes actually use the same scope tube. Chromatic abberations are not bad for a semi-fast f/6.5 telescope. Whereas an f/5 scope will give nice purple fringing on bright objects, such as Sirius; the 102AZ gave a smaller blueish fringe. The small dovetail attached directly to the scope tube is not as effective as would be an actual system of scope rings with an 8" dovetail. The lens quality is quite good and would benefit from upgraded rings/dovetail, double speed focuser, longer dew shield, & better lens housing.Read full review
Verified purchase: Yes | Condition: Pre-owned
It is only 5 days now since we received the telescope. Sadly the weather has not been in our favour. Only yesterday we had a view of the partial moon. We could not spot other planets. Some improvements to make it even more user friendly: 1) the clasp on the tripod to hold the telescope should be made more secure. With just two screws holding the telescope does not make it very secure, esp when moving. 2) Don't understand how to use the red spot. Explanation given is not very clear. Make it user friendly. 3) Mark on each lense the purpose or use for it, to create awareness and to act as a reminder. With Aging population must be user friendly for all ages. Look forward to more discoveries in the solar system.: Cheers Francisd
Verified purchase: Yes | Condition: New
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