• Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces
• Aluminum optical tube with tube vents featuring an integrated 50-mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging
• Versatile design accommodates 3 focal ratios: native f/10, f/7 with the addition of a focal reducer, or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories
• Celestron’s premium StarBright XLT coatings provide maximum light transmission
• A 9x50 finderscope, 1.25” mirror diagonal for more comfortable viewing, and 40 mm Plössl 1.25” eyepiece are all included

TS Photoline APO refractor wit 72 mm aperture and fast f/6 focal ratio, a great travel telescope for observation and astrophotography.

• ♦ Powerful, aberration-free apochromatic refractor with 72 mm aperture and 432 mm focal length.
• ♦ Fast focal ratio: f/6
• ♦ FPL53 doublet objective (Ohara Japan), air-spaced - additional lanthanum element, so no chromatic aberration
• ♦ 2.5" dual-speed rack-and-pinion focuser - ball bearing mounted for maximum load with M63x1 female thread for adaptions
• ♦ Retractable dew cap - the apo even fits into the hand luggage
• ♦ CNC tube rings with versatile dovetail bar - EQ5 style and with photo tripod connection.
• ♦ Findershoe on the focuser is included
• ♦ Weight only 2.18 kg - transport length only 31 cm

The best seller of the quintuplet series, the FRA500 90mm; It is an instrument suitable for astrophotography.

Thanks to the quintuplet spaced in the air, it provides a flattened field up to 44mm diagonally without the addition of further flatteners/reducers.