WILLIAM OPTICS PLEIADES 181 F/5.5 ASTROGRAPH Deep 25" SKU BA2961570 (1

25" SKU BA2961570 (1

The optional TZ-4S 4x telecentric is available for telescopes faster than f/8 to achieve the desired focal ratio

ASI6200 & ASI2400)

7μ RMS at 35 mm on-axis

stainless steel (sold separately) Counterweight 5 kg (sold separately) Dovetail saddle Losmandy & Vixen-style (second saddle sold separately) Communication port USB Tripod Optional SKU SWWAVE100I

WILLIAM OPTICS PLEIADES 181 F/5.5 ASTROGRAPH Deep 25" SKU BA2961570 (1The William Optics Pleiades 181 is the ultimate imaging refractor for medium format cameras. The new 7 element lens design with three Super ED extra low dispersion elements to ensure excellent colour correction and a generous 55mm image circle. With a substantial 181mm aperture, fast f 5. 5 focal ratio and 998mm focal length, the Pleiades is ideal for high resolution imaging of many deep sky objects. The seven element, temperature compensated lens