APO-EXTENDER-R 1.4x

• Leica Order No. - 11 249

• Era 1986-2009

• Number of lenses/groups - 5/4

• Magnification - 1.4x

• Aperture - f/2.8 - f/22

• Materials - Anodized aluminum and optical glass

• Length - 36 mm / 1.4 in

• Largest diameter - 62 mm / 2.4 in

• Weight - 220 g / 7.7 oz

• Inscription - APO-EXTENDER-R 1.4x (serial no.) | FOR R 2.8/280 R 2.8/400

• On the street - $US 2,195 in 2008

• Resultant focal length with APO-EXTENDER-R 1.4 x:
  • 180 mm f/2.8 APO - 250 mm f/4 APO
  • 280 mm f/2.8 APO - 400 mm f/4 APO
  • 280 mm f/4 APO - 400 mm f/5.6 APO
  • 400 mm f/2.8 APO - 560 mm f/4 APO
  • 400 mm f/4 APO - 560 mm f/5.6 APO
  • 560 mm f/4 APO - 800 mm f/5.6 APO
  • 560 mm f/5.6 APO - 800 mm f/8 APO
  • 800 mm f/5.6 APO - 1100 mm f/8 APO
  • 28-90 mm f/2.8-4.5 - 40-126 mm f/4-5.6