Welcome Center

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No New Posts Welcome Center

Mission Statement and introductions.

10 86 Why not post?
by jamesling1000
Jul 2, 2020 0:16:17 GMT -5
No New Posts Introduce yourself

66 423 a germany refractor fan>my dream 8 inch
by maho68
May 14, 2022 20:51:58 GMT -5
No New Posts Ask ISTAR

Have a question for ISTAR? Ask it here, and it will get the owners attention.

92 697 R35 optics?
by dkahraman
Nov 29, 2021 15:54:22 GMT -5
No New Posts General discussion

Discuss anything that doesn't fit in the specialized forums. General conversation about anything astronomical or otherwise.

189 1,279 6''-7'' Semi APO
by bing
May 5, 2022 23:36:14 GMT -5
No New Posts Eyepieces

A place to discuss eyepieces. Old favorites and new finds.

7 69 GSO 30mm SV vrs TV 27mm pan.
by astrorl
May 1, 2017 18:23:52 GMT -5
No New Posts Bino-Viewers

Cyclops lives.... but is there more to see?

2 10 Supercharge WO's or buy new bigger CA bino's?
by boomboom
Sept 24, 2014 2:06:47 GMT -5
No New Posts Astrophotography

Talk about imaging

5 20 Video of my 2015 Solar images refractor 228mm sp├ęcial Halpha
by nobody
Dec 18, 2015 8:54:41 GMT -5
No New Posts Solar Forum

Equipment and methods for observing our day star are discussed here.

15 83 140mm F10 SUPER SOLAR DOUBLET Optimized for H, Ha, K, S !!!
by Ales - iStar Optical
Jul 16, 2016 17:02:43 GMT -5

Achromatic Doublets

Board Threads Posts Last Post
No New Posts Achromats

Discussion of all of the ISTAR Classic Achromatic lenses and scopes

by jamesling1000
Apr 20, 2019 2:48:30 GMT -5
No New Posts Anastigmats

Unique lenses that are only being made by ISTAR, Reduced false color and a smaller spot size which rate a board of their own.

58 514 Lunar Images ( June 5-7-9 th) with H-Alpha 228mm OTA
by dkahraman
Dec 1, 2021 7:31:40 GMT -5

Apochromatic Triplets & Doublets

Board Threads Posts Last Post
No New Posts APOs and Super APOs

Discussion of all ISTAR APO and Super APO lenses and scopes, including Fluorite variations.

34 267 140 F-6.5 SN190002HS BUILD
by dan
Sept 13, 2021 22:19:31 GMT -5


Board Threads Posts Last Post
No New Posts Cassagrains

If a refractor isn't your only scope you might want to talk about these!

2 9 New Feather touch .
by Mike
May 19, 2014 9:28:42 GMT -5
No New Posts Newtonians (including Dobsonians)

Talk about your reflective light buckets here.

3 15 PiKon telescope
by borispider
Sept 19, 2014 8:55:04 GMT -5

ATM (Amateur Telescope Making)

Board Threads Posts Last Post
No New Posts ISTAR ATM

A place to show off your home built ISTAR. Discussion of methods, materials, tools, and ideas for making your own custom built refractor.

49 609 iStar 180 F/8 R30 build from Oz
by GrahamP
Jun 3, 2021 6:10:27 GMT -5
No New Posts Non ISTAR ATM

Have a non ISTAR refractor project that you're proud of? If you show it off here, it will help ISTAR builders too!

11 106 The Best Mount for Large GEM's
by Ales - iStar Optical
Apr 11, 2021 15:31:24 GMT -5


Board Threads Posts Last Post
No New Posts Currently in stock at ISTAR

List of in stock scopes at ISTAR.

Moderator: Administrator

by Ales - iStar Optical
May 1, 2018 18:03:15 GMT -5

Photo Galleries

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Open for posting.

33 166 An Istar Observatory
by Ales - iStar Optical
Jan 11, 2022 18:13:58 GMT -5


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