$arSelect = Array("ID", "NAME", "DETAIL_PAGE_URL", "PREVIEW_PICTURE", "");
$arFilter = Array("IBLOCK_ID"=>8, "ACTIVE_DATE"=>"Y", "ACTIVE"=>"Y");
$res = CIBlockElement::GetList(Array(), $arFilter, false, Array("nPageSize"=>50), $arSelect);
while($ob = $res->GetNextElement())
{
$arFields = $ob->GetFields();
//print_r($arFields);
$arProps = $ob->GetProperties(); // свойства элемента
// print_r($arProps['E_LINK']['VALUE']);
?>