Canon EF 100mm f2.8 USM Macro brand_Stearman Press The removable camera insert measures

The removable camera insert measures approximately 8x20x27cm

Worth noting as well that while the BR1 will enable the mounting of S-mount tele lenses on an F mount camera

The Leica-Meter MR is a compact lightmeter designed to clip on to the accessory shoe of a Leica M2

The Canon EOS Rebel T7i is a compact DSLR with a 24mp sensor

and I have not yet accounted for the remaining plagues

Canon EF 100mm f2.8 USM Macro brand_Stearman Press The removable camera insert measuresThe Canon 100mm f2. 8 USM Macro is a good quality macro lens that provides magnification up to 1: 1 without the use of extension tubes. It's also an excellent short telephoto lens in general, making it a good choice for portraits or other slightly far away subjects. In excellent condition, with light cosmetic wear.