William Optics SpaceCat 61 mm WIFD Petzval APO Refractor with UniGuide 32 mm Space-Grey; in Space Grey (limited edition bundle) optical tubes OTA opinie

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William Optics SpaceCat 61 mm WIFD Petzval APO is a compact optical device that, thanks to the use of the best available materials and precise workmanship, allows you to obtain incredibly sharp, contrasting and detailed astrophotographic photos.

The heart of this telescope is the Petzval optics. One of the most perfect optical materials, synthetic fluorite, was used to produce the low-dispersion lens. This material, known as FPL-53, is characterized not only by a high Abbe number, but, equally importantly, it is much more chemically stable than natural crystalline fluorite.

This telescope complements the range of William Optics instruments equipped with a WIFD William Optics Internal Focus Design with internal focusing. This patented solution allows you to maintain perfect linearity even when installing large SLR cameras or heavy astronomical cameras, thus minimizing the risk of unwanted vignetting to zero. The focuser is also compatible with the WO EAF automated focusing system.

The telescope tube is mounted on precisely made clamps, equipped with a Vixen socket for mounting a finder or guider. This limited edition comes with the telescope with the William Optics UniGuide 32 mm Space-Grey (SKU: M-G32PB-TG)

The most important features of the William Optics SpaceCat 61 mm WIFD Petzval APO telescope

• a telescope in the Petzval system with a low-dispersion element made of FPL-53 glass
• vignetting-free WIFD extractor with internal focusing
• compact design ideal for mobile observation and astrophotography sets
• mounting clamps made using CNC technology

Technical parameters

• telescope optical system: Petzval
• Lens diameter: 61 mm
• focal length: 300 mm
• aperture: f/4.9
• ED lens material: FPL-53 glass
• Full illumination disc diameter: 46 mm
• compatible camera types: full frame, SLR, mirrorless, CMOS cameras, CCD cameras
• compatible photographic systems (via interchangeable T rings): Canon EF, Canon RF, Nikon F, Nikon Z, Sony E, Pentax K, Micro 4/3, Fuji X
• Focuser diameter: TBD
• type of focuser: with internal focusing (WIFD)
• tube length: 365 mm
• tube weight: 2.5 kg
• weight of the tube with mounting clamps: 3.4 kg
• tube finish: gray / silver / space gray

Set elements

• William Optics SpaceCat 61 mm WIFD Petzval APO limited edition telescope
• William Optics UniGuide 32 mm Space-Grey guide scope (SKU: M-G32PB-TG)
• Bahtinov mask with mounting
• lens cap
• mounting clamps and feet

Guarantee

24 months