First one I have seen on my garden pond this year, it kept hiding behind the stem and eventually I got this one. I used the long telephoto lens and converter as it proved impossible to get close enough to use the macro lens.
Olympus System : OM-1
Focal length in 35 mm film : 841.0mm
Exposure mode : Manual exposure
ISO : 400
Exposure compensation : 0.0 EV
Shutter : 1/160 sec
Aperture : F7.1
ACR/PSCC