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Technical Notes—Optional Accessories
Incompatible Accessories and Non- CPU Lenses
The following accessories and non-CPU lenses can
NOT
be used with the D50:
• TC-16A AF Teleconverter
• Non-AI lenses
• Lenses that require the AU-1 focus-
ing unit (400 mm f/4.5, 600 mm f/5.6,
800 mm f/8, 1200 mm f/11)
• Fisheye (6
mm f/5.6, 8
mm f/8, OP
10 mm f/5.6)
• 21 mm f/4 (old type)
• K2 rings
• ED 180–600
mm f/8 (serial numbers
174041–174180)
• ED 360–1200 mm f/11 (serial numbers
174031–174127)
• 200–600
mm f/9.5 (serial numbers
280001–300490)
• Lenses for the F3AF (80
mm f/2.8,
200 mm f/3.5, TC-16 Teleconverter)
• PC 28 mm f/4 (serial number 180900 or
earlier)
• PC 35
mm f/2.8 (serial numbers
851991–906200)
• PC 35 mm f/3.5 (old type)
• 1000 mm f/6.3 Refl ex (old type)
• 1000 mm f/11 Refl ex (serial numbers
142361–143000)
• 2000 mm f/11 Refl ex (serial numbers
200111–200310)
Compatible Non- CPU Lenses
Non-CPU lenses not included in the list above can be used, but only in mode
M
.
Aperture must be adjusted manually using the lens aperture ring and the camera
exposure meter and TTL fl ash control can not be used. If another mode is selected
when a non-CPU lens is attached, the shutter-release will be disabled.
AF-Assist Illumination
The following lenses may block the AF-assist illuminator at ranges under 1 m (3´3˝).
Note that the camera may not be able to focus using autofocus if the AF-assist il-
luminator is blocked.
• AF Micro ED 200 mm f/4D
• AF-S ED 17–35 mm f/2.8D
• AF ED 18–35 mm f/3.5–4.5D
• AF 20–35 mm f/2.8D
• AF-S ED 28–70 mm f/2.8D
• AF ED 24–85 mm f/2.8–4D
• AF-S VR ED 24–120 mm f/3.5–5.6G
• AF 24–120 mm f/3.5–5.6D
• AF Micro ED 70–180 mm f/4.5–5.6D
• AF-S DX IF ED 17–55 mm f/2.8G
AF assist is not available with the following lenses:
• AF-S VR ED 70–200 mm f/2.8G
• AF ED 80–200 mm f/2.8D
• AF-S VR ED 200–400 mm f/4G
• AF-S VR 300 mm f/2.8G
• AF-S ED 80–200 mm f/2.8D
• AF VR ED 80–400 mm f/4.5–5.6D
• AF-S VR 200 mm f/2G
