TAKAHASHI M54 DX-WR T-RING FOR NIKON GREENLINE-IP Included Items

Included Items

Optical design Ritchey-Chrétien Diameter 406 mm Focal length 3250 mm Focal ratio f/8 Linear obstruction 170 mm Corrected field 35 mm (70 mm with optional corrector) Backfocus distance 288 mm from rear cell Focuser thread M77 x 1 female

400 mm (with 230 cm extension)

the use of a Barlow lens is recommended

Adjustable from 2°/s to 15°/s

TAKAHASHI M54 DX-WR T-RING FOR NIKON GREENLINE-IP Included ItemsThe Takahashi DX WR M54 T ring for Nikon F mount DSLR cameras is a high quality extra wide M54 camera adapter made of CNC machined stainless steel for the utmost precision. Unlike M48 T rings, the DX WR M54 T ring produces less vignetting when used with full frame sensors. Specifications Telescope connection M54 x 0. 75 Camera connection Nikon F mount Optical thickness 9. 7 mm SKU TK TKA01255