How jiraya able to look at Itachi's MS whereas Kakashi and ochirmaru get in trap

How ochirmaru got in a trap of Itachi's MS whereas jiraya not,as ochimaru and jiraya both r great shanins,look(img) how jiraya looks at Itachi's MS

How ochirmaru got in a trap of Itachi's MS whereas jiraya not,as ochimaru and jiraya both r great shanins,look(img) how jiraya looks at Itachi's MS