Toshio Ohnishi of Japan, constructed this compact SHS

 (see www2s.biglobe.ne.jp/ wave t-oni/shs)                                              Toshi Ohnishi

SHS specification: 

TELE 80mm FL=1200mm
Plano concave Lens *2 EFL=2400mm
Grating 1200grooves/mm 5000A blazed 52*52mm Replica
Modified Hale oscilating slits
Pass band wide 0.6A
 

 

and here is an image of the Sun as seen through Toshi's SHS