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karlmera

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About karlmera

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  1. karlmera

    Nikon Printing-Nikkor 150mm f2.8 Micro/Macro Lens RARE

    Here is an interesting link about printing nikkors: http://www.nital.it/nikkor-historical/el-nikkor2.php Per quanto concerne i Printing-Nikkor, il modello da 75mm f/2,8 inquadrava un fotogramma inscritto in un cerchio da 64mm di diametro e lo riproduceva con fattore 1/4x all'interno di un cerchio di copertura da 16mm; il 95mm f/2,8 riduceva una coniugata da 60mm di diametro con fattore 1/2x all'interno di un cerchio da 30mm; il 105mm f/2,8 riproduceva esclusivamente a formato 1:1 (1x) un originale con diagonale da 54mm, ed infine il 150mm f/2,8 era dotato di una ghiera di flottaggio che ottimizzava lo schema e consentiva - caso unico - rapporti di riproduzione variabili, senza soluzione di continuità, fra 1/4x e 4x, e poteva così inquadrare un originale da 30mm di diametro e riprodurlo in tutte le scale comprese nell'intervallo appena descritto. Come nota a margine, i Printing-Nikkor 95mm f/2,8 e 105mm f/2,8 sono stati riprogettati e prodotti dalla Tochigi Nikon, ma siccome l'estetica è rimasta identica ho omesso di inserire la variante nella tabella sopra riportata.
  2. karlmera

    Nikon Printing-Nikkor 150mm f2.8 Micro/Macro Lens RARE

    And what do you think about the Nikon Printing Lenses brochure, image sizes of the 95 and 150 are 30mm dia?
  3. karlmera

    Nikon Printing-Nikkor 150mm f2.8 Micro/Macro Lens RARE

    I think that this info is from Redbook, but it is not the same as from the Nikkor brochure. But what is correct? It is a big difference between 30mm and 88mm diameter.
  4. karlmera

    Nikon Printing-Nikkor 150mm f2.8 Micro/Macro Lens RARE

    For 1:1 image size and original size are 30mm diameter.
  5. karlmera

    Nikon Printing-Nikkor 150mm f2.8 Micro/Macro Lens RARE

    From the brochure Printing Nikkor Lenses.
  6. karlmera

    Nikon Printing-Nikkor 150mm f2.8 Micro/Macro Lens RARE

    But the image size of 30mm dia. is too small for FX?
  7. Here is the answer of Zeiss: Seine Abbildungsleistung beim Abbildungsmaßstab 1:4 ist praktisch identisch wie beim Makro-Planar T* 2/100, jedoch zeigt das Apo Sonnar einen noch geringeren Farblängsfehler als das Makro-Planar, insbesondere sichtbar an Kontrastkanten vor und hinter der Schärfeebene bei Aufnahmen mit weit offener Blende. Für den Abbildungsmaßstab 1: 2 ist das Apo Sonnar nicht vorgesehen, daher liegen hier auch keine Mess- oder Designdaten vor.
  8. Yes, this exactly what Zeiss says. It is not computed for 1:1 - 1:3.
  9. karlmera

    Question for ZF 50/2 owners...

    Mine does not move.
  10. karlmera

    Your Opinion: What is the Sharpest Lens Wide Open?

    Is it for 1:4 optimized or for 1:2?
  11. karlmera

    Best Lenses for the Nikon PB-4 Bellows

    Why reversed, because it is easier to mount?
  12. That is true, NIKON wants to earn money, and NIKON also only produces lenses which the majority of the so-called users want and buy. And here they are.
  13. But the best music with the best musicians would suffer from the noise of an amplifier. The Nikkors are very good for allround pictures but not for demanding high standards, not for pictures of glas, polished gold, silver, diamonds, watches, fine contrasty patterns.
  14. very disappointing and frustrating results
  15. karlmera

    35/1.4G is the prince of darkness

    The image quality of your pictures depends a little bit on your d80 and is not overall convincing, grainy, underexposed aso. The message of the pictures is too "normal".
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