SingAstro

According to the chart , 90mm F5.5 is around the same CA as 80mm F/5

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...

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...

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.

coverage by CNA

poster date typo 29 ????

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

OK will go. Can just join the classroom without registration ?

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 ...

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...