- Permits viewing at a 90° angle
- Helpful for applications with space constraints
- Attachments can be adapted to smaller lenses by using step-up rings
- Assembly locks in position with a thumb screw, guarding against movement due to shock or vibration
- To avoid vignetting, use with longer focal length lenses (16mm or higher)
- Can be used in conjunction with a filter
- Available adjustments through 360° (RA034 and RA060)
