1x Field Flattener
In 2021, Sky Rover launched a new 1xField flattener for 80/90/102/130/155 APO PRO, it adopts front thread M63X1 and rear thread M48X0.75, which can meet the illumination requirements of full-frame photography.
Considering the use of CCD and OAG, the shell can be removed to use, which can have longer work distance to satisfy the use of filter wheel /OGA/CCD.

Specification
Model: 1x for 80APO PRO | Model: 1x for 90APO PRO | Model: 1x for 102APO PRO | Model: 1x for 130APO PRO | Model: 1x for 155APO PRO |
Interface Spec: M63X1/M48X0.75 | Interface Spec: M63X1/M48X0.75 | Interface Spec: M63X1/M48X0.75 | Interface Spec: M63X1/M48X0.75 | Interface Spec: M63X1/M48X0.75 |
Back Focus: 55mm | Back Focus: 55mm | Back Focus: 55mm | Back Focus: 55mm | Back Focus: 55mm |
Net weight: 420g |
Net weight: 400g | Net weight: 400g | Net weight: 380g | Net weight: 380g |
Back Focus Diagram(55mm)

Connection Diagram

①Removing the adaptor at the end
②Installing filter
③Screwing adaptor into flattener
*Full frame camera will be with light vignetting when install inner 2" filter

①1x flattener ②Filter ③Adaptor (M48x0.75 thread) ④SLR mount(M48 T) ⑤SLR ⑥CCD mount ⑦CCD

①1x flattener ②Filter ③Adaptor (M48x0.75 thread) ④M48 adaptor ⑤OAG ⑥Filter wheel ⑦CCD