*Due to an unprecedented number of orders please allow 4 weeks for shipment.
This is the large reducer flattener that is matched to our 130 mm f-7 and 140 mm f-6.7 refractors. This version has adapters and extensions optimizing it for use with a DSLR equipped with a t-ring or a CCD/CMOS astronomy cameras with a 55 mm back focus such as ZWO cameras.
To order, first select the camera thread size and then what focuser your telescope uses.
If your camera setup has a different back focus you can add or subtract M69 extensions. If you are unsure about any of this please contact us at email@example.com or call (530) 823-7796, Monday - Friday 9-5 Pacific time.