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Old 16-12-2024, 05:46 PM
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Drac0 (Mark)
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Join Date: Feb 2020
Location: Nowra, NSW
Posts: 592
Hi Paul,

The real question is what you are planning to target. You can use any of the lenses listed & all would be workable in the correct situation. You really need to check the framing for the targets you want with various lenses. I use Stellarium or the simulator at telescopius.com to check framing with various gear.

Personally, when using camera lenses I prefer a fixed focal length over a zoom lens. With my 294MM I use a 50mm & 100mm for wider field images and an older 300mm F4 L which they no longer sell.

Remember that the 183MC has a smaller sensor than a DSLR/Mirrorless camera so will have a slightly tighter FoV. Also note that manually focusing with a lens can be very difficult - the slightest touch can put you way out. That's why I had Joshua make a focusing aid that allows small movements & holds the focus in place when done:
https://www.iceinspace.com.au/forum/...&postcount=158

Cheers,
Mark
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