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Novoflex Reverse Adapter

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Interesting: I wonder what light remais when stepping down/up from 82 mm!

 

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I'm using the reverse Reverse Adapter with an S1/R and Leica 24-90 (I only own a 82mm Reduction Ring and no 77mm). 

The object size that fills the format is

  • 17mm at 35mm focal length (2:1)
  • 23mm at 50mm focal length (1,6:1)
  • 33mm at 75mm focal length
  • 40mm at 90mm focal length

At 24mm you get 13mm but the distance to the object is less than 10mm so no more light falls on the object. 

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3 hours ago, Ingo said:

I'm using the reverse Reverse Adapter with an S1/R and Leica 24-90 (I only own a 82mm Reduction Ring and no 77mm). 

The object size that fills the format is

  • 17mm at 35mm focal length (2:1)
  • 23mm at 50mm focal length (1,6:1)
  • 33mm at 75mm focal length
  • 40mm at 90mm focal length

At 24mm you get 13mm but the distance to the object is less than 10mm so no more light falls on the object. 

Usefull to know it.

 

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On 4/7/2020 at 12:02 PM, Ingo said:

I'm using the reverse Reverse Adapter with an S1/R and Leica 24-90 (I only own a 82mm Reduction Ring and no 77mm). 

The object size that fills the format is

  • 17mm at 35mm focal length (2:1)
  • 23mm at 50mm focal length (1,6:1)
  • 33mm at 75mm focal length
  • 40mm at 90mm focal length

At 24mm you get 13mm but the distance to the object is less than 10mm so no more light falls on the object. 

Can you please advise about the ergnomics of using the Leica 24-90mm 'reversed' for c/u imaging e.g. do you use it handheld or on a tripod with a focus rack? Do you use / does it need the Novoflex tripod adapter ... Does the tripod adapter fit OK when lens is reversed? 

BW

dunk 

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vor 9 Stunden schrieb dkCambridgeshire:

Can you please advise about the ergnomics of using the Leica 24-90mm 'reversed' for c/u imaging e.g. do you use it handheld or on a tripod with a focus rack? Do you use / does it need the Novoflex tripod adapter ... Does the tripod adapter fit OK when lens is reversed? 

BW

dunk 

So far I use it on a tripod with a focus rack (https://www.novoflex.de/en/products-637/macro/focusing-racks/focusing-racks-castel/castel-q.html). I don't own the Novoflex tripod adapter but I guess it would fit OK. But there is absolutely no problem without the adapter. 

In principle handheld should also work with enough light/short shutter speed. It's just tricky to find the correct focus point.

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