Quote:
Originally Posted by sil
How do you qualify more prone to failure, they just don't unless user error or DOA. 3.2sec with 90mm? shouldn't star trail anyway, I shoot dslr only from tripod and I DO know, not just assume this.
Just make a barn door mount and be done with it if your expert opinion demands a manual mount, otherwise good luck finding a quality manual mount that isn't going to wobble or vibrate. A motorised eq mount is what the rest of the world uses for good reason and blackouts dont enter the equation.
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I qualify more prone to failure from a simple rule of thumb: The more pieces in the toy ther more things to go wrong. Lindbergh when asked why one engine instead of two for his trans Atlantic attempt replied that two engines doubled the chance of engine failure.
You're right at 3.2s I don't have star trails. But after 7 to 10 shots the stars have moved a bit and it is time to realign.
I have thought of a barn door but my building skills are somewhat limited.
Why does a motorized eq mount have less vibration than a non motorized one?
It's been suggested that the manually operated
BRESSER Exos-2 German Equatorial Mount with Tripod
will work well for what I'm planning to do.
Sorry for annoying you.
Brian