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Sky-Watcher Black Diamond 150/600 Dual Speed Newtonian OTA
Quattro 150P — 150/600 imaging Newtonian The Quattro 150P is a fast parabolic imaging Newtonian with a nominal 150 mm aperture and 600 mm native focal length at f/4. Its low-expansion borosilicate primary is intended to reduce sensitivity to changing temperature during an imaging session.
Optical correction The dedicated 0.86× reducer/coma corrector changes the 150P configuration to 518 mm f/3.45. Sky-Watcher Japan specifies this corrector for APS-C or smaller sensors, with an M48 male camera connection and an M48 female filter thread. The native tube remains 600 mm f/4.
Focusing and structure The 150P uses a 2-inch dual-speed Crayford focuser with 10:1 fine adjustment. The listed finder is 6×30.
Mounting and model details The manufacturer’s published tube mass is 5.7 kg.
Sky-Watcher manufacturer documentation
Sky-Watcher Japan Quattro documentation
Compatibility notes Native f/4 and reduced f/3.45 are distinguished using manufacturer Japan documentation.
Additional specifications Nominal aperture (mm) 150 Primary mirror material Low-expansion borosilicate glass Reduced focal length (mm) 518 Reduced focal ratio f/3.45 with supplied 0.86× coma corrector Coma corrector Dedicated 0.86×, supplied in manufacturer Japanese package Corrector camera thread M48 male Corrector filter thread M48 female Secondary minor axis (mm) 64 Corrected sensor format APS-C or smaller
Reference
SW0465
Data sheet
Corrector
Matched coma corrector required for corrected wide-field imaging; see configuration below
Finder
6×30
Focal length (mm)
600
Focuser
2-inch dual-speed Crayford, 10:1
Model
Quattro 150P — 150/600 imaging Newtonian
Native focal ratio
f/4
Optical design
Parabolic imaging Newtonian
OTA weight (kg)
5.7
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Quattro 150P — 150/600 imaging Newtonian The Quattro 150P is a fast parabolic imaging Newtonian with a nominal 150 mm aperture and 600 mm native focal length at f/4. Its low-expansion borosilicate primary is intended to reduce sensitivity to changing temperature during an imaging session.
Manufacturer model: Quattro 150P — 150/600 imaging Newtonian · Specifications checked against manufacturer data on 2026-11-04