The Opteka three axis spirit bubble level for Canon, Nikon, Sony, Olympus, Fujifilm and Pentax SLR and DSLR cameras (Fits any SLR/DSLR standard flash hot shoes mounts. | The 3 axis spirit bubble level- ideal for Portraits, Landscapes, architectural photography and much more. The spirit level allows positioning of horizontal and vertical axis simultaneously. | Easy to use the Opteka spirit level mounts effortlessly right into camera's STANDARD hot shoe. | The Opteka three axis spirit bubble level is made of crystal clear acrylic, is small in size and weighs only 15.5 grams | COMPATIBILITY: Cameras such as Canon EOS 7D, 6D, 5D, 5DS Mark III IV, 90D, 80D, 77D, 70D, 60D, Rebel T7i, T7s, T6i, T6s, T5i, T4i, T3i, R, RP, Nikon D5, D4, D3, D750, D610, D500, D7500, D7200, D7100, D5600, D5500, D5300, D5200, D5100, D3500, D3400, D3300, D3200, Z50, Z7, Z6, Sony Alpha a9, a7S, a7R, a7, a6600, a6500, a6300, a6000, NEX-7, NEX-6, a580, a99, a77, a65, a57, a39, Pentax 645Z, 645D, K-5, K-3 II, K-70, K-50, K-30, K-S2, K-S1 and all other cameras with an 1/4-20 standard tripod hole.