in stock
in stock

William Optics SpaceCat 51 Flatfield APO Full Frame 51/250 mm f/4.9

instead 783,19 EUR
only 755,46 EUR
excl. VAT
excl. 4,53 € Shipping costs


William Optics SpaceCat 51 Flatfield APO Full Frame 51/250 mm f/4.9

The William travel apochromat SpaceCat 51 K.RC51TG is perfectly suited for astrophotography and nature photography on photo tripods or travel mounts.

♦ Aperture 51 mm / focal length 250 mm / focal ratio f/4.9

♦ Petzval design with chromatic aberration free FPL53 objective (4 elements in 3 groups)

♦ Very well corrected image field of 44 mm diameter - even suitable for full-frame cameras

♦ Camera connection via male M48 thread (suitable adapters are available)

♦ 360° rotation of the camera for the right display window

♦ Camera Sensor Tilt Fine Adjuster

♦ Focusing via precise helical focuser

♦ Thread for mounted 2" filters (M48x0.75 thread, female) when used as camera lens

♦ Optional Amici prism for attaching eyepieces for visual use - the 2" filter threads can´t be used then

♦ Flexible dovetail bar at the base, suitable for Vixen style saddle plates, Arca-Swiss style saddle plates, and with female 1/4" photo thread

♦ Nylon carry case and Bahtinov mask for astrophotography are included in the scope of delivery

♦ Tube length only 225 mm / weight only 1.5 kg - perfect for on the way


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