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Do you mean that you had a catadioptric objective, or I’m missing something? That is not a lens, it’s an objective with a lens in the front (to correct the geom
by tigershark 6y ago
Do you mean that you had a catadioptric objective, or I’m missing something? That is not a lens, it’s an objective with a lens in the front (to correct the geometry) and a system of mirrors to obtain a focal length greater than what would be possible only by using refraction being constrained by the objective body length.
- m463 6y agoYes, it was something along the lines of this: http://www.bobatkins.com/photography/tutorials/mirror.html http://www.bobatkins.com/photography/tutorials/mirror.html I'm not saying you're incorrect, I'm saying that a more generic term may be acceptable, possibly even superior in conveying the idea to a wider audience, even if imprecise.