Hello,
It is known that the older Canon/Nikon cameras need additional cable to make a bulb exposures... There are several resources in the net how to make such cable, but they require soldering skills.
Here is an alternative that can be made by everyone ( thank you Roy for this solution! )
https://ideiki.com/astro/usersguide/kmt ... 3D&mw=MjQwHi, you are viewing as a guest, You can only see this first post in this topic. if you sign up you get access to other goodies you can't even see as a guest, including video tutorials on imaging and processing, scope modifications and even member discounts on gear!
So, give us a try, what have you got to lose! Oh, and if you stay, when you reach 50 posts you get access to MORE goodies! What are you waiting for!