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Mirror lenses


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  • 2 months later...

Now that I have been infected by JDMvW's mirror virus, it is getting itchy again . . . :D

  • Which Sigma lens is supposed to be the better mirror, the gray or black one?
  • How is the Spiratone mirror? And who made it for them?
  • Who else made decent mirror lenses?

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  • 2 months later...

Question for those who own a Tamron 500mm f/8 55BB. This is the one without the tripod mount.

How front heavy is the camera + lens when the camera is mounted on the tripod?

 

I use my 500 on a tripod for stability, but would prefer if the setup isn't so front heavy that it becomes difficult to use on a tripod.

 

I was thinking of the older 55B which has a tripod mount, but read that Tamron improved the optics for the 55BB.

 

tnx

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  • 1 year later...
I've been able to reach out to really long focal lengths with the reflex lenses (including a Celestron 1250mm) and a NIkon TC-1 or a Vivitar (2X, original co.) telextender.

 

Results are amazingly good (LINK)

 

It has somewhat dampened (I am glad to say) the urge to buy ever longer and longer mirror lenses.

 

I topped out with the Celestron Edge 9.25 inch (2350mm focal length). This thing makes the 600mm solid cat feel like a hand held lens.

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