Re: [OM] E-M5 iii + lens

[Wayne Shumaker]

At 6/23/2020 10:45 PM, Moose wrote:
>Unfortunately, matching C-U lens and main lens is not simple calculation. For 
>example, the Canon 500D achromat simply doesn't give as good resolution on the 
>PLeica 100-400 as the  Nikon 5T. I mostly use the rare Pentax T132 for that 
>lens; lower mag, but much better working distance. The 5T works well on PL 
>12-60.
>
>There is a current achromat, the Sigma Achromatic Macro Lens AML 72-01 that 
>works pretty well on the 100-400, but the max working distance is a bit short 
>for me.

I would use the CU on sonay 100-400 with 77mm filter thread. Any knowledge of 
this NiSi CU lens?
https://www.bhphotovideo.com/c/product/1536070-REG/nisi_nir_closeup_77_close_up_lens_kit.html

WayneS 
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