2x Objective lenses tests

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Duke
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2x Objective lenses tests

Post by Duke »

Here's some test silicone wafer photos in incident light (~dark field - DF). Pentax KP on Nikon CFI-UW LV-TI3 trinocular head (F=200mm)
CFI60 Nikon PlanApo 2x 0.10 inf/-
Nikon_PlanApo_2x_0.10_C_DF.jpg
*Full resolution focused on center*
*Full resolution focused on corner*
As can be seen, PlanApo 2x 0.10 is neither really "Plan" or "Apo". Please ignore overexposed corners - parasitic reflection, wasn't seen in eyepieces.
Lomo MikroPlanar F=100mm f/4.5 (2x NA=0.11)
Lomo_Microplanar_f100-4.5_DF.jpg
*Full resolution*
1Lomo Korrektar F=150mm f/6.3 (1.5x NA=0.085)
Lomo_Korrektar_f150-5.6_DF.jpg
*Full resolution*
Lomo Projective J54 F=85mm f/2.0 (2x NA=0.25)
Lomo_J53_F85_2.0_DF.jpg
*Full resolution*
VEB Carl Zeiss Jena CF250 GF-Planachromat 2.5x 0.045 (@f=200 -> 2x 0.045)
CZJ_GF-Planachromat_2x_0.045_BF.jpg
*Full resolution*
Solid performance from LOMO J54 Projection Lens! Korrectar doesn't do that well with Nikon CFI tube lens - need look up into it, should work but doesn't.
“Thoroughly conscious ignorance is the prelude to every real advance in science.” - JCM

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