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California nebula in SHO from Bortle 9 sky by Karthik P

Optical accessories that increase telescope focal length.

Showing 1-40 of 40

	Replies	Views	Created
Clarification on Resolving Power and Barlow Lenses AstroSharp Ltd SharpCap Celestron C6 Barlow +2 Fabian Butkovich Last post: Craig Towell	12	231	Apr 17, 2025
Beugungsbild mit Barlow Linse 3x Barlow Planetary Nebula Deutsch Johannes Jußen Last post: Tony Gondola	3	156	Feb 18, 2025
Barlow Lens for Meade ETX-125 Meade ETX -125EC ZWO ASI294MC Pro Barlow +2 John Esser Last post: Tony Gondola	3	94	Jan 1, 2025
Barlow-Linse für Meade ETX-125 ZWO ASI294MC Pro Barlow M51 +2 John Esser	0	60	Jan 1, 2025
Barlow with filter wheel configuration Equipment Barlow Beginner +1 Marc Monarcha Last post: andrea tasselli	1	59	Dec 4, 2024
2X on guide scope Barlow Acquisition Guiding +1 Tony GondolaFrequent contributor Last post: Tony Gondola	19	519	Sep 17, 2024
APM 2" Barlow 1.5x APM APMBarlow2 Barlow Troubleshooting eric belanger Last post: Werner Stumpferl	8	181	Aug 24, 2024
T rings Nikon D3200 DSLR Barlow karimahmad2004 Last post: Michael J Muracco	1	46	Jun 6, 2024
Lunar Imaging with Ritchey–Chrétien Barlow Ritchey-Chrétien Acquisition +2 Alien_Enthusiast Last post: Alien_Enthusiast	2	194	May 18, 2024
678MC or 224MC for Edge 8 HD ZWO ASI678MC Planetary Camera Barlow Scott Chambers Last post: Jan Erik Vallestad	7	432	Mar 12, 2024
Testing my new 115/800 with a Barlow Sky-Watcher EQ6-R Pro Equipment Refractors +2 Carlo Paschetto Last post: Carlo Paschetto	4	115	Feb 13, 2024
Imaging smaller galaxies with a 8'' newtonian and a barlow SVBony SV106 50mm Guide Scope Barlow Acquisition +2 patrice_so Last post: Matthew Proulx	34	1.5k	Jan 18, 2024
New Guy Trying to Image with a Barlow Lens Equipment Barlow Beginner +1 EvanSpiesTheHeavens Last post: andrea tasselli	4	224	Dec 9, 2023
Barlow for lunar photography? Equipment Barlow Moon Oscar Last post: Oscar	19	586	Mar 20, 2023
Looking for advice on planetary imaging with 8" Newtonian ZWO ASI662MC Equipment Planetary Camera +2 Andy Wray Last post: Jacob Heppell	3	267	Oct 1, 2022
Barlowed laser primary collimation ... I wish I'd done it before Equipment Barlow Collimation Andy Wray Last post: Andy Wray	12	1.3k	Sep 20, 2022
Using Barlows with Refractors for planetary imaging Barlow Planetary Camera Off-topic Alicia Rossiter Last post: Alicia Rossiter	21	806	Sep 5, 2022
Experience of either or? Barlow Buying Advice Off-topic Miska Saarikko Last post: Sean van Drogen	1	189	Sep 3, 2022
Thinking about doing some planetary imaging ... what do you use with 200PDS Sky-Watcher Explorer 200PDS Planetary Camera Barlow Andy Wray Last post: billy.clash@gmail.com	4	371	Aug 18, 2022
Barlow lens for 10" Dobson Equipment Barlow Buying Advice Spooky Last post: Spooky	4	207	Jun 27, 2022
Are Barlow Lenses Bad for Astrophotography? Barlow Acquisition Deep Sky +2 Fabian Butkovich Last post: kuechlew	23	1.8k	Mar 1, 2022
Barlow en ciel profond Barlow Reducer Français Jean Yves THIRIET Last post: Jean Yves THIRIET	7	502	Feb 17, 2022
Is a top level barlow lens worth the price difference? ZWO ASI462MC Equipment Barlow +2 Olaf Fritsche Last post: Ruediger	10	260	Sep 26, 2021
TAKAHASHI EXTENDER-ED 1.5X Equipment Barlow Refractors Kapil K. Last post: MattP	1	111	Jul 29, 2021
DSO imager ventures into planetary space, advice welcome. ZWO ASI462MC Planetary Camera Barlow +2 Brian Boyle Last post: Brian Boyle	6	139	Jul 23, 2021
Explore Scientific 127 ED APO FDC with Keller 1.5x barlow and/or Duering 2.7x barlow Equipment Barlow Georg N. Nyman Last post: Georg N. Nyman	2	79	Jul 2, 2021
Planetary Imaging Setup Barlow Acquisition Solar System +1 Hermann Dresen Last post: Hermann Dresen	9	482	May 1, 2021
Barlow for Small/Distant DSOs? Canon EOS 600D / Rebel T3i / Kiss X5 iOptron SkyGuider Pro Equipment +2 Mark Germani Last post: Jérémie	6	171	Feb 12, 2021
Question about optics : Barlow and extension tubes Barlow Acquisition Optics +2 Jérémie Last post: Jérémie	4	97	Jan 30, 2021
Best M48 or M42 threaded Barlow / Focal extender ? Equipment Barlow Buying Advice Jérémie Last post: Jérémie	1	80	Dec 23, 2020
Long Barlows Equipment Barlow astropical Last post: astropical	7	99	Nov 16, 2020
Televue Powermate 5x ZWO ASI224MC Equipment Barlow +1 DanRossi Last post: Michael Timm	2	220	Oct 6, 2020
Barlow between telescope and camera? Equipment Barlow schmaks Last post: Jérémie	14	375	Jul 8, 2020
Barlow and DSO Barlow Acquisition Deep Sky Esben Hoffmann Last post: Rich Sky	2	206	Mar 16, 2020
Which Barlow magnification for 3“ reflector Equipment Barlow Planetary Camera +1 Jesco Last post: Tim Ostromek	1	36	Jan 5, 2020
Maximum focal length for 60mm diameter Equipment Barlow Jupiter Lorin Last post: bobzeq25	9	315	Jul 29, 2019
Which Barlow ? Barlow Buying Advice Deutsch Planetarios_3 Last post: Tareq Abdulla	16	350	Jul 23, 2019
Barlow + coma corrector ? Equipment Barlow Coma Max Gillet Last post: Max Gillet	6	145	Jun 6, 2019
Recommeded Barlow for f/15 scope Equipment Barlow Buying Advice NeedMoreCoffee Last post: NeedMoreCoffee	2	182	May 27, 2018
Barlow/Powermate with Star71 WO Star 71 William Optics Star 71 Barlow Solar System Mike Miller Last post: MGralike	2	82	Oct 19, 2016

Showing 1-40 of 40