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Everything posted by johninderby

  1. It’s sale pending awaiting payment so looks like it’s sold.
  2. Will keep you in mind but think it is sold. Payment due tonight so will update listing then.
  3. Bresser Telescope Handle 160mm bolt hole centres. Cast metal. SOLD - £20.00 Posted to UK ********************************************************************* Vixen Type Dovetail Bar 180mm long with long slots for mounting bolts SOLD - £17.00. Posted to UK ********************************************************************* 6x30 Finderscope With Synta Bracket Japanese made finder removed from new ScopeTech telescope and fitted to Synta finder bracket. SOLD - £20.00 Posted to UK ********************************************************************* Payment: PayPal (buyer pays fees) John
  4. Basicly just allowing your telescope to reach the ambient outside temperature. The glass or mirrors in the scope can give fuzzy and poor images if they are not the same as the outside temperature. Some telescopes take longer than others to reach the oitside temp and some such as SCTs or Maks are particularily affected. There are loads of different ways that can be used to achive this but that is a big subject with different opinions. Try searching for telescope cool down. The. simplest way is just to leave your scope outside for a while before observing. Allow 1/2 hour to an hour for most scopes and perhaps longer for SCTs and Maks. The bigger the scope the longer it takes to settle to the outside temperature. A 127 mak takes about 1/2 hour minimum to settle down.
  5. Try the Televue eyepiece caculator. https://www.televue.com/engine/TV3b_page.asp?id=212&plain=TRUE
  6. Tele Vue 3-6mm Nagler 50º Zoom Eyepiece In like new condition and bought earlier this year from FLO. in original box with end caps. SOLD - £260.00 Posted to UK 50º constant apparent field of view Click stops every mm 3-6mm Zoom Proprietary tuned full multi-coatings & high index glass Blackened lens edges & Anti-reflective threads Fold-down, rubber eyeguards & grip rings Threaded for 1.25" filters Safety undercut in nosepiece barrel for extra locking security 100% full field visual inspection on Tele Vue's own flat-field test instrument guarantees the performance of every Tele Vue eyepiece Supplied with eyeguard and nosepiece cover Payment: PayPal (buyer pays fees) or Bank Transfer John
  7. Think Bresser is onto a winner with this scope. Not a silly price for a good well equipped scope.
  8. Have you used the Televue calculator? https://www.televue.com/engine/TV3b_page.asp?id=212&plain=TRUE
  9. The optics are made by JOC and just as good as the Skywatcher. Nothing to choose between them opticaly. The build quality of the Bresser is better however and they are beter equipped. My 10” dob will handle about 400x on the moon.
  10. Will be trying the CC 6” on my AZ-GTi mount with the TS counterbalance system which lets you achive oerfect balance and greatly reduces the load on the motors which also allows for a heavier OTA.
  11. The only obvious way to tell them apart at first glance is the size of the secondary.. The 8” RC has a huge secondary. t
  12. Think the 8” CC is a bit much for a GP mount. My CC weighs about 11kg but that is with tube rings and handle and Steeltrack focuser. Probably about 10kg without.
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