Products

Simply dial in the time of the day and the day of the year on this handy rotating disc star chart and its sky window will show you exactly how the ...

Simply dial in the time of the day and the day of the year on this handy rotating disc star chart and its sky window will show you exactly how the ...

This handy map of the Moon's near side identifies nearly 300 craters by name that you can see in a small telescope (many are also visible in binocu...

This handy map of the Moon's near side identifies nearly 300 craters by name that you can see in a small telescope (many are also visible in binocu...

This JMI Motofocus electric focuser is designed for use with the GSO (Guan Sheng Optical Co. Ltd. in Taiwan) Crayford focusers used on Meade 8", 10...

This heavy-duty finderscope bracket is designed specifically to hold a Takahashi 7 x 50mm finderscope only. It has a flat mounting shoe with holes ...

Written by Gerald North, an experienced and well-known lunar expert, this is a "hands-on" observing primer - and more - for the lunar observer. Whe...

This is the complete set of imaging filters to take your session to a higher level. This Optolong set comes with 7 filters.  The LRGB set, H-Alpha,...

This is the complete set of imaging filters to take your session to a higher level. This Optolong set comes with 7 filters.  The LRGB set, H-Alpha,...

The H-Alpha 7nm from Optolong works fantastically as a photographic filter, but also works for viewing faint emission nebula. Optolong filters are ...

The H-Alpha 7nm from Optolong works fantastically as a photographic filter, but also works for viewing faint emission nebula. Optolong filters are ...

Take back the night sky by using the Optolong L-eNhance 1.25" Tri-Band filter when imaging. A convenient and economic way to eNhance your nightly p...

Take back the night sky by using the Optolong L-eNhance 2" Tri-band filter when imaging. A convenient and economic way to eNhance your nightly pass...

Take back the night sky by using the Optolong L-eXtreme 1.25" Dual Passband filter when imaging. Take your backyard imaging to places you never tho...

Take back the night sky by using the Optolong L-eXtreme 2" Dual Passband filter when imaging. Take your backyard imaging to places you never though...

The Optolong 1.25" L-Pro light pollution filter is a great way to suppress the issues caused by all these lights that are all around us. This mount...

The Optolong 2" L-Pro light pollution filter is a great way to suppress the issues caused by all these lights that are all around us. This mounted ...

Take back the night sky by using the Optolong L-eXtreme 2" Dual Passband filter when imaging. Take your backyard imaging to places you never though...

Look no further for an LRGB set for your 1.25" filter wheel or drawer. Time to get serious with your monochrome CCD or CMOS camera.  The filter set...

Look no further for an LRGB set for your 2" filter wheel or drawer. Time to get serious with your monochrome CCD or CMOS camera.  The filter set wo...

Take your imaging up a notch with the improved OIII filter from Optolong. Optolong filters are here to help all of us Earth based Astronauts.  As l...

Take your imaging up a notch with the improved OIII filter from Optolong. Optolong filters are here to help all of us Earth based Astronauts.  As l...

Add this set to your LRBG set and get the most out of your imaging.This Optolong filter set is designed to bring out the best in your astro-photogr...

Add this 3nm set to your LRBG set and get the most out of your imaging.This Optolong filter set is designed to bring out the best in your astro-pho...