WILLIAM OPTICS M48 T-RING FOR PENTAX K FMA180 254 mm from rear cell

254 mm from rear cell Weight 6

Counterweight extension bar

Optical height 2mm

The proprietary lens design has Phantom Group wideband multicoating on all air to glass surfaces and the large lenses deliver completely vignetting-free exposures with larger sensors

WILLIAM OPTICS M48 T-RING FOR PENTAX K FMA180 254 mm from rear cellThe William Optics T Ring for Pentax K mount DSLR cameras is a high quality M48 camera adapter made from CNC machined and anodized aluminium. Designed to have the correct backfocus so no extra spacers are needed. Specifications Telescope connection M48 x 0. 75 Camera connection Pentax K mount Optical thickness 9. 54 mm Weight 65 g SKU WO TM PT K M48