HEI-EP-EG HEI Scope Eye Guards (Pair).

HEI-AL-05 HEI Scope Series .5x Auxiliary Lens

HEI-EP-W10 SZ302101 HEI Scope Series Wide Field 10x Eyepieces (Pair) with Eyecups {Eyepieces Housing of 30mm diameter}.

HEI-AL-07 HEI Scope Series .75x Auxiliary Lens.

HEI-EP-A10 SZ402101 10x Adjustable Wide Focus Eyepiece for the SZII Scopes

HEI-EP-A20 SZ402104 20x Wide Focus eyepiece for the SZII Scopes

HEI-112301 Straight Line Scale Reticle

HEI-751301 Dual Axis Linear Scale Micrometer