Explore Scientific 2x Focal Extender Barlow 1.25" adapter a 45degree diagonal and a

a 45degree diagonal and a 8 x 21 finderscope

you can use it to produce wonderful astrophotography images quickly and with ease

enough that many will choose to image "sans" guiding

Note: extension tubes might be required to achieve focus depending on your particular lens/CCD setup

Our goal was to provide an extreme value by providing true diffraction-limited optics at a price that will allow more people to explore the sky with a wide-field (f/6

Explore Scientific 2x Focal Extender Barlow 1.25" adapter a 45degree diagonal and aA good Focal Extender adds some real versatility to your telescope accessory line up. First of all, it allows you to increase the magnification of any eyepiece with the same barrel size that you already own. In other words, 3 eyepieces offer 6 magnification choices with the addition of a focal extender. Secondly, most of the time, lower magnification eyepieces have better eye relief than higher power models. When using a focal extender to increase