REDCAT 71

Coming to 2022 -

The REDCAT 71 is the perfect Apochromatic refractor for photographic astronomers demanding excellence in a small sized telescope. The petzval optical design features a 71mm aperture using FPL-53 glass, and provides a flat image plane without any additional flattener. The STM-coatings and superb quality provide excellent optical performance and unmatched value.

Imaging Unit

The rear adapter ring features a M48 thread for mounting 48mm astrofilter, combined with tilt adjuster for any type of Imaging sensor, the imaging unit provides astroimager the solution to overcome any situation.

Bahtinov Mask

Patented

The CAT dew shield features a removable lens cover, with our patented Bahtinov Mask revealed by unscrewing the face plate. The clear design allows for brighter star patterns, and precise focusing for astrophotography.

Versatile CAT Handlebar

Patented

The CAT Saddle Bar Handle, offers a solid handle with a built in dovetail chamber for use with the WO Uniguide scopes, or other Vixen style guiding/finder scopes.

Helical Focuser

Internal Helical focuser geared with 2GT belt drive ring able to be focused remotely.

Field Rotator

The super smooth field rotator includes markings for every degree, and a solid thumbscrew position lock.

Soft Carry Case

The standard package comes with a soft carry case.

Technical Specifications

Lens Type
Petzval Design
Focal Length
350mm
Diameter
71mm
Aperture
f/4.9
Flattener
Petzval Flat Field
Focuser
Helical Focuser with 2GT Gear Ring
Color
Red
Lens Material
FPL-53
Strehl Ratio
0.95+
Camera Format
Full Frame DSLR / Mirrorless / CMOS / CCD
Test Report
Not Available
T-Mounts Supported
Canon EF, RF
Nikon F, Z
Sony E
Pentax K
Micro Four Thirds (M4/3)
FUJI X
Tube Length
435mm
OTA Weight
2.8kg
Total Weight
3.7kg