
Search found 273 matches
- Fri Jan 01, 2021 12:07 pm
- Forum: Equipment Discussions
- Topic: Opinions on Svbony SV48 as grab & go telescope
- Replies: 3
- Views: 615
Re: Opinions on Svbony SV48 as grab & go telescope
According to the chart , 90mm F5.5 is around the same CA as 80mm F/5


- Fri Jan 01, 2021 11:53 am
- Forum: Beginners Forums
- Topic: A newbie looking for recommendation
- Replies: 4
- Views: 704
Re: A newbie looking for recommendation
You need to keep the telescope and eyepieces in airtight dry storage too , that will take up more space and $ budget. Having the telescope mounted on the tripod as in display piece at home , only works for other country with dry climate , low humidity in air. 5se and 6se is different at the mount to...
- Mon Apr 20, 2020 5:57 pm
- Forum: DIY Astronomy
- Topic: Want To Ask : Where can I find Ebony star / formica and teflon pad ?
- Replies: 7
- Views: 1933
Re: want to ask : where can I find ebony star / formica and teflon pad ?
MR DIY don't have , taobao have different sheet size and thickness. 聚四氟乙烯 = teflon = ptfe Can try cutting up 2L milk jug or 5L dishwashing refill container for similar material , although it's not exactly flat or big piece. HDPE used in milk jug have very close friction and abrasion resistance compa...
- Fri Jan 17, 2020 3:48 pm
- Forum: Equipment Discussions
- Topic: Replacing Secondary Lens for Nextar 6SE.
- Replies: 5
- Views: 1892
Re: Replacing Secondary Lens for Nextar 6SE.
Celestron USA replied to some cloudynight forumers many years ago that the SCT set of optics are "matched" @ the factory , that's why no individual parts
like you stack 2 pringles potato chip u need both to match to fit nicely , even a little rotation offset and they don't stack well.
like you stack 2 pringles potato chip u need both to match to fit nicely , even a little rotation offset and they don't stack well.
- Fri Dec 27, 2019 1:42 am
- Forum: Astronomy Events & Observation Sessions
- Topic: An Annular Solar Eclipse event happening right here in Singapore! (26th Dec 2019)
- Replies: 7
- Views: 2915
- Sun Dec 22, 2019 7:21 pm
- Forum: Astronomy Events & Observation Sessions
- Topic: An Annular Solar Eclipse event happening right here in Singapore! (26th Dec 2019)
- Replies: 7
- Views: 2915
Re: An Annular Solar Eclipse event happening right here in Singapore! (26th Dec 2019)
poster date typo 29 ????
- Mon Dec 02, 2019 7:59 pm
- Forum: Buy and Sell
- Topic: Brotip : Telescope Export Restriction at Amazon.com lifted
- Replies: 19
- Views: 14628
Re: Brotip : Telescope Export Restriction at Amazon.com lifted
amazon usa website have celestron promotion limited to 1 day , 8se drop to lowest in 11years , around $1550 sing dollars including international shipping and 7%GST




- Wed Nov 20, 2019 12:20 am
- Forum: Astronomy Events & Observation Sessions
- Topic: The Universe@CCK
- Replies: 3
- Views: 1287
Re: The Universe@CCK
OK will go. Can just join the classroom without registration ?
- Tue Oct 08, 2019 5:40 pm
- Forum: Buy and Sell
- Topic: Brotip : Telescope Export Restriction at Amazon.com lifted
- Replies: 19
- Views: 14628
Re: Brotip : Telescope Export Restriction at Amazon.com lifted
fast forward now to 2019 today amazon started their .sg website , not strictly needed to use their phone app and prime membership trial for selected products , minimum spending for free shipping (within singapore) remain at $40 sgd so you may need to find a filler item they don't have any telescope ...
- Tue Jul 23, 2019 1:57 am
- Forum: Beginners Forums
- Topic: Targets for C90 mak
- Replies: 2
- Views: 1652
Re: Targets for C90 mak
Can try making a DIY lens shade to cover the front of the scope , and maybe DIY a flock sleeve for the baffle tube that goes inside the mirror. Search around on cloudynights forum , there were some threads from year 2013-14 with photo comparison. Modifying the baffle tube to be less reflective can h...