Optik

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Why is this Space Telescope so Tiny?

Last post by Peter R « 2022-01-02 15:22:48
Replies: 1
by hellbom » 2021-11-04 18:55:11

1 Replies

2505 Views

Last post by Peter R
2022-01-02 15:22:48
Välrenomerad 3" komakorrektor för f3-f4?

Last post by Dodde « 2021-12-28 20:59:43

by Dodde » 2021-12-28 20:59:43

0 Replies

407 Views

Last post by Dodde
2021-12-28 20:59:43
Placering av filter

Last post by hwahlberg « 2021-04-10 15:00:00

by hwahlberg » 2021-04-10 15:00:00

0 Replies

2796 Views

Last post by hwahlberg
2021-04-10 15:00:00
Första okular till 12" dobson

Last post by MattiasA « 2021-03-24 21:59:46
Replies: 9
by MattiasA » 2021-03-20 00:18:34

9 Replies

2721 Views

Last post by MattiasA
2021-03-24 21:59:46
hårkors

Last post by Ante10 « 2021-02-01 19:14:08

by Ante10 » 2021-02-01 19:14:08

0 Replies

1461 Views

Last post by Ante10
2021-02-01 19:14:08
Baader Hyperion vs Morpheus

Last post by Tonsa71 « 2021-01-27 18:34:16

by Tonsa71 » 2021-01-27 18:34:16

0 Replies

962 Views

Last post by Tonsa71
2021-01-27 18:34:16
Smalbandsfilter för OSC kameror mm

Last post by Juicy6 « 2020-12-20 19:59:04
Replies: 1
by Betelguse » 2020-12-20 19:45:46

1 Replies

1543 Views

Last post by Juicy6
2020-12-20 19:59:04
fokalreducerare och exponeringstid

Last post by Juicy6 « 2020-12-01 11:05:19
Replies: 1
by Betelguse » 2020-11-30 20:19:11

1 Replies

1378 Views

Last post by Juicy6
2020-12-01 11:05:19
Har jag missförstått?

Last post by Nokturner « 2020-09-23 16:55:30
Replies: 7
by Shimonu » 2020-09-21 22:35:04

7 Replies

3418 Views

Last post by Nokturner
2020-09-23 16:55:30
Field stop

Last post by BjörnL « 2020-09-10 17:00:12
Replies: 2
by BjörnL » 2020-09-10 00:12:10

2 Replies

1948 Views

Last post by BjörnL
2020-09-10 17:00:12
Val av Diagonal till APM/TS 107mm f/6,5 APO

Last post by Per Lundqvist « 2020-09-09 18:36:16
Replies: 12
by Per Lundqvist » 2020-09-03 22:53:11

12 Replies

3385 Views

Last post by Per Lundqvist
2020-09-09 18:36:16
2” okular till teleskop med 1.25” fokuserare?

Last post by martinl « 2020-08-27 16:25:04
Replies: 1
by -chrille- » 2020-08-27 15:21:12

1 Replies

1490 Views

Last post by martinl
2020-08-27 16:25:04
Nytt OIII filter med små skador, behålla eller returnera?

Last post by MartinS « 2020-07-06 20:32:34
Replies: 3
by MartinS » 2020-07-06 18:30:52

3 Replies

2432 Views

Last post by MartinS
2020-07-06 20:32:34
Test av optik samt flat-panel

Last post by MartinS « 2020-07-06 18:11:14
Replies: 2
by Corpze » 2019-05-12 19:09:14

2 Replies

3676 Views

Last post by MartinS
2020-07-06 18:11:14
Påverkar inte sekundärspegel f/värdet??

Last post by martinl « 2020-06-21 20:49:18
Replies: 1
by taipan » 2020-06-21 19:39:04

1 Replies

1842 Views

Last post by martinl
2020-06-21 20:49:18
Kvalitetsokular?

Last post by pava0555 « 2020-06-09 10:26:26
Replies: 27
by Marcus112 » 2020-05-09 03:51:41
1

2
27 Replies

8066 Views

Last post by pava0555
2020-06-09 10:26:26
Baader Zoom + 2,25x barlow

Last post by LilleNo « 2020-05-18 23:27:26
Replies: 2
by LilleNo » 2020-05-18 21:00:43

2 Replies

1802 Views

Last post by LilleNo
2020-05-18 23:27:26
Aluminisering av speglar hos UAA 2020?

Last post by DHEB « 2020-05-15 12:14:25
Replies: 3
by DHEB » 2020-05-14 13:26:05

3 Replies

2109 Views

Last post by DHEB
2020-05-15 12:14:25
Påverkar Barlow backfokus?

Last post by hahied « 2020-03-26 19:09:39
Replies: 8
by taipan » 2020-03-24 09:15:56

8 Replies

4620 Views

Last post by hahied
2020-03-26 19:09:39
Kakmonster i teleskopet?

Last post by Lazze « 2020-03-23 14:05:01
Replies: 4
by Lazze » 2020-03-22 13:12:47

4 Replies

2902 Views

Last post by Lazze
2020-03-23 14:05:01
Hjälp mig utvärdera tilt/spacing (CCD-inspector)

Last post by Martin F « 2019-10-08 13:23:24
Replies: 3
by Martin F » 2019-10-05 11:31:35

3 Replies

4159 Views

Last post by Martin F
2019-10-08 13:23:24
Fokus flyttas vid temperaturändring - lösning?

Last post by Martin F « 2019-09-12 14:28:55
Replies: 5
by Martin F » 2019-09-10 21:26:08

5 Replies

3404 Views

Last post by Martin F
2019-09-12 14:28:55
Test av objetivlins

Last post by johanastro777 « 2019-09-01 18:53:19

by johanastro777 » 2019-09-01 18:53:19

0 Replies

2484 Views

Last post by johanastro777
2019-09-01 18:53:19
Rengöra spegel?

Last post by Jonas « 2019-08-20 23:31:23
Replies: 9
by Henrik Jansson » 2019-08-17 20:17:12

9 Replies

5454 Views

Last post by Jonas
2019-08-20 23:31:23
Rengöring av lins

Last post by Terje « 2019-07-25 11:35:48
Replies: 1
by johanastro777 » 2019-07-24 19:36:23

1 Replies

2720 Views

Last post by Terje
2019-07-25 11:35:48
Polymer rengöring av lins

Last post by dragneg « 2019-06-27 14:53:46
Replies: 3
by johanastro777 » 2019-06-26 12:31:32

3 Replies

3392 Views

Last post by dragneg
2019-06-27 14:53:46
Okular med kors, batterityp?

Last post by Ariel « 2019-04-01 16:26:26

by Ariel » 2019-04-01 16:26:26

0 Replies

2779 Views

Last post by Ariel
2019-04-01 16:26:26
Linser Objektiv

Last post by johanastro777 « 2019-03-01 18:41:18

by johanastro777 » 2019-03-01 18:41:18

0 Replies

2532 Views

Last post by johanastro777
2019-03-01 18:41:18
Samyang 35mm 1.4?

Last post by Tannerswe « 2019-02-05 08:33:16
Replies: 4
by MartinS » 2019-02-03 22:16:41

4 Replies

4119 Views

Last post by Tannerswe
2019-02-05 08:33:16
Sky watcher vs Clestron

Last post by M374L « 2019-01-23 22:09:13
Replies: 2
by M374L » 2019-01-22 15:49:31

2 Replies

3287 Views

Last post by M374L
2019-01-23 22:09:13
Bättre förstorning/sensorstorlek.

Last post by kribba « 2019-01-18 10:03:54
Replies: 2
by blomma » 2019-01-18 08:54:09

2 Replies

2941 Views

Last post by kribba
2019-01-18 10:03:54
Dålig skärpa

Last post by Kanelsmurfen « 2019-01-17 23:54:23
Replies: 10
by Fidde » 2019-01-02 10:23:12

10 Replies

5938 Views

Last post by Kanelsmurfen
2019-01-17 23:54:23
Har fortfarande problem med elongerade stjärnor..

Last post by ragge « 2019-01-16 17:22:17
Replies: 5
by Starfish » 2019-01-16 02:07:52

5 Replies

3571 Views

Last post by ragge
2019-01-16 17:22:17
Mörkare bild med Barlow-lins

Last post by Hans Bengtsson « 2019-01-07 17:07:36
Replies: 1
by Fidde » 2019-01-07 14:22:02

1 Replies

2701 Views

Last post by Hans Bengtsson
2019-01-07 17:07:36
Collominering av C8

Last post by Juicy6 « 2018-12-10 08:58:24
Replies: 4
by blomma » 2018-12-02 12:14:31

4 Replies

4179 Views

Last post by Juicy6
2018-12-10 08:58:24
Field Flattener problem eller tilt ?

Last post by Starfish « 2018-11-27 18:59:17

by Starfish » 2018-11-27 18:59:17

0 Replies

2330 Views

Last post by Starfish
2018-11-27 18:59:17
Bahtinov

Last post by Starfish « 2018-11-26 12:25:33
Replies: 2
by Starfish » 2018-11-25 13:54:55

2 Replies

2988 Views

Last post by Starfish
2018-11-26 12:25:33
Trubbel i FF träsket..

Last post by Starfish « 2018-11-25 12:50:36
Replies: 6
by Starfish » 2018-11-23 22:59:44

6 Replies

4047 Views

Last post by Starfish
2018-11-25 12:50:36
Fel på polteleskop?

Last post by Jonas « 2018-10-24 15:15:08
Replies: 1
by Starfish » 2018-10-24 14:07:53

1 Replies

2925 Views

Last post by Jonas
2018-10-24 15:15:08
Skywatcher Eplorer 130

Last post by Newt « 2018-08-25 12:33:24
Replies: 4
by bonemala » 2018-07-28 09:16:13

4 Replies

5804 Views

Last post by Newt
2018-08-25 12:33:24
Okular till SKYLINER-200P 8 TUM

Last post by Hans Bengtsson « 2018-05-09 15:22:38
Replies: 7
by Krilleflyers » 2018-05-05 22:05:24

7 Replies

6145 Views

Last post by Hans Bengtsson
2018-05-09 15:22:38
Filter toleranser

Last post by Repaterion « 2018-04-25 05:25:10
Replies: 11
by Håkan N » 2017-08-13 00:10:35

11 Replies

6769 Views

Last post by Repaterion
2018-04-25 05:25:10
binoviewer

Last post by magnahrl « 2018-03-28 23:18:02
Replies: 2
by magnahrl » 2018-03-28 02:12:22

2 Replies

3553 Views

Last post by magnahrl
2018-03-28 23:18:02
Depth of Focus

Last post by AstroFriend « 2018-01-24 12:18:29

by AstroFriend » 2018-01-24 12:18:29

0 Replies

3540 Views

Last post by AstroFriend
2018-01-24 12:18:29
Rengöring optik

Last post by AstroFriend « 2018-01-23 20:35:03
Replies: 14
by AstroFriend » 2018-01-13 00:58:59

14 Replies

28666 Views

Last post by AstroFriend
2018-01-23 20:35:03
Nya glas

Last post by Katarina H « 2017-12-02 11:13:57
Replies: 3
by Präriefoten » 2017-12-01 15:12:39

3 Replies

4164 Views

Last post by Katarina H
2017-12-02 11:13:57
optiska speglars tolerans mm

Last post by Håkan N « 2017-10-15 19:00:21

by Håkan N » 2017-10-15 19:00:21

0 Replies

3429 Views

Last post by Håkan N
2017-10-15 19:00:21
Speglars styvhet x ratio

Last post by Håkan N « 2017-10-13 12:36:29
Replies: 2
by Håkan N » 2017-10-12 14:32:48

2 Replies

3625 Views

Last post by Håkan N
2017-10-13 12:36:29
Gjuta egen honeycomb spegel !

Last post by Håkan N « 2017-09-17 19:40:54
Replies: 11
by AstroFriend » 2017-09-15 16:04:43

11 Replies

7614 Views

Last post by Håkan N
2017-09-17 19:40:54
Coma corrector info

Last post by Håkan N « 2017-09-15 15:47:55
Replies: 32
by AstroFriend » 2017-09-10 15:22:50
1

2

3
32 Replies

16989 Views

Last post by Håkan N
2017-09-15 15:47:55

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