FF131 APO Flat-Field Apochromatic Refractor/FF131 APO Bundle Choose to Buy:FF131 APO LRGB 36mm Filters

LRGB 36mm Filters

uniform frames during long integrations

75 Focal Length Tele: 160mm

giving the wheel a cleaner and more cohesive look

Itoptimizes noise and star point quality based on actual captured data

FF131 APO Flat-Field Apochromatic Refractor/FF131 APO Bundle Choose to Buy:FF131 APO LRGB 36mm Filters*Focus can be achieved within a back focus range of 4273 mm, measured from the M54M48 interface shoulder. Main Features Flexible Connectivity for Multiple Configurations Uniqueness 1. Four Element Optical Design The FF131 APO features a four element, fully air spaced apochromatic optical design. All four elements work together to deliver a flat imaging field without the need for an additional field flattener. One ED (extra low dispersion) glass