wolves3012
Veteran
First problem - first question: Are you pressing the shutter button? The button between the speed dial and wind-lever is NOT the shutter release, it's the rewind-release! I don't want to offend you here but this is a common mistake so are you using the right button? The shutter release button is in the middle of the frame counter. The rewind release will actually work as a shutter release but it *is* heavy and isn't guaranteed to re-engage each frame.The first roll, the first problem. Shutter button is hard to press. No comparison to other Zorkis and Feds..much harder, more like big'n'heavy Zenit E.
If you are genuinely using the right button then no, it shouldn't be especially heavy. The Zorki 5 and 6 use a kind of offset shaft to release the shutter, since the button isn't above the true release shaft. As a result, they're a little less smooth and light than other models but it's not a big difference.