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Finally clicked into place with UVHD Pluses (and still love SLC)
Hi Brock, Precise dioptre setting, as with focus, is easy to achieve. It's just that if done hand-held at a shorter distance, and that there is an object distance variation between focussing with the left barrel and setting the dioptre with the right barrel, errors would occur. A distance... -
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Finally clicked into place with UVHD Pluses (and still love SLC)
The object distance chosen to set the dioptre doesn't matter one iota because, after focussing, the virtual image distance for each individual eye is always the same. See Dioptre Setting: Fallacy and Fact You could even do it at 2 m on a 1951 USAF test chart with multiple line pairs/mm. The only... -
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Finally clicked into place with UVHD Pluses (and still love SLC)
Hi Zach, With corrected vision the dioptre setting of my 8x56 SLC is spot on at 0 but is "off" in another sense. I believe that at the infinity setting the black wedge on the focusser should be at 12 o'clock and the "SLC 8x56" lettering horizontal, but on mine it's upside down. This is in line... -
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Finally clicked into place with UVHD Pluses (and still love SLC)
Have you seen that little arrow on the rubber armouring (left side)? That's the zero setting. ;) John