Lentar Lens

I have a real problem...I picked up a lens for $5 in really good condition but have no idea what adapter to buy for it to get it to fit my canon rebel T6i.  The information on the lens is as follows;
Auto Tele - Lentar 1;2.3 f = 135mm No 7200451

Anyone have any idea what adapter I should purchase for this lens?

POSTCARDS FROM MAINE

BAR ISLAND - ACADIA NATIONAL PARK

BASS HARBOR LIGHTHOUSE - ACADIA NATIONAL PARK

CARRIAGE ROADS - ACADIA NATIONAL PARK

ABANDONED HOUSE OF EAGLE LAKE - ACADIA NATIONAL PARK

BUBBLE POND - ACADIA NATIONAL PARK

COLLEGE OF THE ATLANTIC - BAR HARBOR, MAINE

COMPASS HARBOR, ACADIA NATIONAL PARK

DORR MOUNTAIN - ACADIA NATIONAL PARK

EAGLE LAKE - ACADIA NATIONAL PARK

JORDAN POND TEA HOUSE - ACADIA NATIONAL PARK

A COLLECTION OF PHOTOS FROM IN AND AROUND ACADIA NATIONAL PARK

All the photos posted here were taken by me and are from in and around Acadia National Park.

TWO DEER - ACADIA NATIONAL PARK

SEAGULLS - TOWN PIER, BAR HARBOR MAINE

POND BEHIND STONE BARN - BAR HARBOR MAINE

Cruise Ship, Bar Harbor

BEAVER BY DUCK BROOK BRIDGE - ACADIA NATIONAL PARK

DEER - CADILLAC NORTH RIDGE TRAIL, ACADIA NATIONAL PARK

TWO DUCKS - BY WITCH HOLE POND, ACADIA NATIONAL PARK

VIEW FROM GREAT HILL - ACADIA NATIONAL PARK

EAGLE LAKE IN AUTUMN - ACADIA NATIONAL PARK

BABY SEAL - BAR HARBOR MAINE

LOON - BAR HARBOR MAINE

VIEW FROM EAGLE LAKE CARRIAGE ROAD - ACADIA NATIONAL PARK

WILDFLOWERS - BLACKWOODS CAMPGROUND, ACADIA NATIONAL PARK

ANEMONE CAVE - ACADIA NATIONAL PARK

THE FIELD - NORTHEAST HARBOR, MAINE

FIVE DEER - ACADIA NATIONAL PARK

WILD TURKEY - BAR HARBOR, MAINE

SUNRISE - SHORE PATH, BAR HARBOR, MAINE

ALONG SHORE PATH - BAR HARBOR, MAINE

A VILLAGE ROAD - NORTHEAST HARBOR, MAINE

HOLE IN THE WALL - DORR MOUNTAIN

DORR MOUNTAIN - ACADIA NATIONAL PARK

MOONLIGHT, BAR HARBOR INN - BAR HARBOR MAINE

THE CAT - BAR HARBOR, MAINE

BAR HARBOR MAINE AS SEEN FROM BAR ISLAND

CRUISE SHIP - BAR HARBOR MAINE

TIGER SHARK - BAR HARBOR, MAINE

BETH SAID YES - BAR HARBOR, MAINE

CRUISE SHIP - BAR HARBOR, MAINE

TUG BOAT - BAR HARBOR, MAINE

TROLLEY - MAIN STREET, BAR HARBOR, MAINE

A LICENSE TO HAVE FUN - BAR HARBOR, MAINE

MAIN STREET, BAR HARBOR MAINE

STONE BRIDGE - ACADIA NATIONAL PARK

JESUP LIBRARY - BAR HARBOR, MAINE

SUNRISE OVER BALANCE ROCK - BAR HARBOR, MAINE

LOBSTER TRAPS - BASS HARBOR, MAINE

BUBBLE POND - ACADIA NATIONAL PARK

THE HANGING STEPS - ACADIA NATIONAL PARK

THE JESUP TRAIL - ACADIA NATIONAL PARK

JORDAN POND - ACADIA NATIONAL PARK

JORDAN POND GATE HOUSE - ACADIA NATIONAL PARK

JORDAN POND TEA HOUSE - ACADIA NATIONAL PARK

HORSE DRAWN CARRIAGE RIDES - ACADIA NATIONAL PARK

THE BUBBLES - ACADIA NATIONAL PARK