Best approach to working with full frame camera and glass

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thiefofpresence
thiefofpresence Contributing Member • Posts: 971
Best approach to working with full frame camera and glass

I own a Sony A7iv full frame camera and a some decent telephoto lenses (GM 135mm f/1.8, GM 70-200 f/2.8, and G 200-600 f/5.6-f/6.3)

It is my impression that I should be able to buy an equatorial goto mount and use my photography gear for astrophotography imaging.

I was attracted (by the price) to the SkyWatcher AZ GTi Go-to mount, but have read that even the vendor says that it is not guaranteed to work appropriately for astrophotography, more for goto object pointing.

Could anyone using a similar photographic setup share what might work better for me, but come in on the lower end of cost but get the job done (of allowing for reliable long exposures of deep space)?

Also, of the cited lenses above, which would be the best?

 thiefofpresence's gear list:thiefofpresence's gear list
Sony a9 II Sony a7 IV Leica Elmarit-M 28mm f/2.8 ASPH Sony FE 135mm F1.8 GM Sony FE 200-600 F5.6-6.3 +7 more
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