Search found 88 matches

by ggodetucsamoht
Fri Jun 14, 2013 7:41 pm
Forum: Equipment Discussions
Topic: collimation on Laser Collimator
Replies: 9
Views: 3906

Re: collimation on Laser Collimator

Hi guys, my scope is celestron C8NGT so it has a f/5. For f/5 wise it should not be so strict during the collimation process. After my collimation on the laser I use it to do a trial on the scope, insert into the focuser and screw the locking screws to a secure tightness so that I am still able to r...
by ggodetucsamoht
Thu Jun 13, 2013 8:59 pm
Forum: Equipment Discussions
Topic: collimation on Laser Collimator
Replies: 9
Views: 3906

Re: collimation on Laser Collimator

Hi, can you elaborate or explain what you mean by "got a result of laser dots landing around 3mm..." Hi, yes my mistake for not explaining more on how I perform the collimation. I stick a piece of paper around 2.5m away from the laser source, by diy a fixture so that the laser collimator able to ro...
by ggodetucsamoht
Wed Jun 12, 2013 2:51 pm
Forum: Equipment Discussions
Topic: collimation on Laser Collimator
Replies: 9
Views: 3906

collimation on Laser Collimator

Guys, i am doing my collimation for my new 8" but found out my laser collimator was actually out of collimation. Now, i did the collimation for this device and got a result of laser dots landing around 3mm and placing my collimator from a wall of 2.5m, is this make a satisfactory collimation standar...
by ggodetucsamoht
Thu Jun 06, 2013 10:21 am
Forum: Buy and Sell
Topic: WTS brand new Celestron 9x50 finderscope
Replies: 1
Views: 1102

WTS brand new Celestron 9x50 finderscope

recently got a new OTA hence trying to sell away the 9x50 finder that comes with it. Letting go at $150, anyone interested for this finder pls text me

Image


Thomas
nine187nine641
by ggodetucsamoht
Tue Jun 04, 2013 4:02 pm
Forum: Beginners Forums
Topic: visual and AP performance between f/5 and f/10 scope
Replies: 13
Views: 3811

Re: visual and AP performance between f/5 and f/10 scope

Hi Orly_andico

Noted on your suggestion.......thanks!!!
by ggodetucsamoht
Tue Jun 04, 2013 3:31 pm
Forum: Beginners Forums
Topic: visual and AP performance between f/5 and f/10 scope
Replies: 13
Views: 3811

Re: visual and AP performance between f/5 and f/10 scope

hi guys, really appreciate for your advice. The factor which lure me towards the f/3.9 scope is actually not the f/ratio but is actually on its focuser. It come with a crayford focuser with the OTA. Because of this focuser so i am enquiry what will be the difference for seeing with f3.9 and f5. As y...
by ggodetucsamoht
Tue Jun 04, 2013 12:43 pm
Forum: Beginners Forums
Topic: visual and AP performance between f/5 and f/10 scope
Replies: 13
Views: 3811

Re: visual and AP performance between f/5 and f/10 scope

You may find your answers here: What is the focal ratio? How is it related to the f-stop? http://www.celestron.com/c3/support3/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=1650 Read the Focal Ratio segment in this article: http://www.astropix.com/GADC/SAMPLE2/SAMPLE2.HTM Thanks Gary fot th...
by ggodetucsamoht
Sun Jun 02, 2013 9:22 pm
Forum: Beginners Forums
Topic: visual and AP performance between f/5 and f/10 scope
Replies: 13
Views: 3811

visual and AP performance between f/5 and f/10 scope

I still having doubts between the difference in visually seeing between a fast scope and slower one. Can anyone guide ? Thks.
by ggodetucsamoht
Thu May 30, 2013 8:44 pm
Forum: Buy and Sell
Topic: WTB bino
Replies: 10
Views: 2722

Re: WTB bino

Hi hazel Many years back I used my 50mm and it gave me saturn and its ring, jupiter and cloud bands, crescent venus etc etc..... Perhap if you are very serious into this hobby and would like to get deeper into it then I would suggest you to get a bigger aperture you can afford. But of you have limit...
by ggodetucsamoht
Sun May 26, 2013 8:15 pm
Forum: Buy and Sell
Topic: wtb 8" newtonian OTA
Replies: 0
Views: 970

wtb 8" newtonian OTA

By any chance anyone is letting go a 8inch newtonian ota??

Thomas
Nine187nine641