Ryan
The HEQ5 and EQ6-R are similar in “looks” but very different on the inside.Yes the EQ6-R is the bigger brother but performance wise out of the box and payload capability are superior
The best guiding error I could ever get out of my HEQ5 over 2 years was around 1.15 arc sec error with 9kg on board and good balancing ( I could never get it under 1 arc sec error )
The EQ6-R with same rig but at 10kg on board ( added larger losmandy dovetail bar ) is 0.75 arc sec error
When dithering with he HEQ5 it knocked the mount around to much and took minutes to recover, especially in DEC.With the EQ6-R I can send a medium to high dither and it recovers beautifully in 10 seconds
The HEQ5 when slewing sounds like bucket of bolts rattling and the EQ6-R is so silent like a hummingbird
So in my experiences there’s no comparison between the HEQ5 and the EQ6-R out of the box , it’s chalk and cheese , the EQ6-R is a much more robust and superior performing mount
My 2 cents......
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