ZWO ASI174Mini USB2.0 Mono Guide Camera - ASI174MINI Equalizer 25" Dielectric Diagonal has an

25" Dielectric Diagonal has an amazing 1/10 Wave flatness dielectric coated mirror

All optical surfaces of the Maxbright® II feature a 7-layer multi-coating

The iOptron iEQ45/CEM60 Counterweight Shaft Extension Bar has a diameter of 28mm

The entire focuser barrel is CNC machined with an anti-reflective internal design and matte paint

Upgrade to a 50mm finder

ZWO ASI174Mini USB2.0 Mono Guide Camera - ASI174MINI Equalizer 25" Dielectric Diagonal has anZWO ASI174MM Mini Monochrome Imaging Camera The mini version of the ASI174MM has a 1. 25" barrel size, making it really easy to connect to your telescope and focus, since the 174mini comes to focus at the same position as an eyepiece! With it's high dynamic range and low read noise, the ASI174MM Mini will make a good planetary imager as well as a guider. The Sony IMX174 monochrome sensor has a 1936 x 1216 pixel array in a 11. 3 mm x 7. 1 mm (1 1. 2")