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Sp-100 24-1200mm with Red Dot site built in.

Started Jan 29, 2014 | Discussions thread
Hatstand Senior Member • Posts: 1,623
Re: Recommend a red dot sight for existing camera?

clearzoom wrote:

Hatstand - with Canon TC-DC58A, what adapter do I need to use for FZ200 ?

same way, what adapter do i need for TCON-17

LT55 being panasonic, can i use this without adapter

For the FZ200, all teleconverters need an adapter tube, because teleconverters are too heavy to attach directly to the FZ200 lens. You'd likely damage the zoom motor.

The Panasonic adapter (LA-7) has 55mm threads, so the LT55 fits to it directly. I don't know what threads the TCON-17 has, but I think that's 55mm too?

Canon TC-DC58A has 58mm threads, so the LA-7 tube needs a 55mm to 58mm stepup ring to mount it.

There is a 3rd party adapter tube available from Chinese (or Hong Kong?) sellers on eBay, which is splittable and has 58mm threads. This will take the TC-DC58A directly with no stepup ring. (LT55 would need a stepdown ring with this tube)

Being splittable has benefits, you can leave one half on the camera as a lens barrel protector (it doesn't cause vignetting), and one half on the TC. It can be quicker/easier to add/remove the TC in the field this way. You may also find the tube provides something extra to grip.

I have two of those splittable tubes, they both work fine for me - but there was one person who posted on here with problems fitting one to their FZ200. Sounded like threads were not quite right, maybe a quality control issues, so beware...

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