FLAT73A 1x FLATTENER FOR ZENITHSTAR 73 CMOS COOLED the Askar 400 features a

the Askar 400 features a Petzval design that does not require to set the sensor to a specific distance to the last lens

7 mm (male thread not taken into account)

it can be easily used with mounts of other brands

solar rate

All the Geoptik bars are CNC machined and fully anodised

FLAT73A 1x FLATTENER FOR ZENITHSTAR 73 CMOS COOLED the Askar 400 features aThe William Optics Flat73A is an apochromatic 1x field flattener for the Zenithstar 73. The 43mm image circle makes it a perfect match for full frame sensors. The Flat73A features adjustable spacing for use with a range of cameras and imaging systems. The Flat73A includes an M48 filter thread which will hold any standard 2" mounted filter. It also includes a handy camera rotator for precise framing of targets. Compatible with William Optics Z73 which