Nikon F Focusing Screens (Subassembly 20FB1-G2)

Focusing Screen Type 1a

Frame with a shiny black enamel finish and with four notches on the upper edge of the frame, two on both the left and the right side. The screen is fixed in its frame by four screws with small heads. The focusing plate has a coarse fresnel structure. «Nikon F», «JAPAN» and the screen type is engraved on the frame and laid out white.

The following types of screens were produced: A, B, C

Recorded body numbers between 6400492 and 6405556.

Focusing Screen Type 1b

Frame with a less shiny black enamel finish and with four notches on the upper edge of the frame, two on both the left and the right side. The screen is fixed in its frame by four screws with small heads. The focusing plate has a coarse fresnel structure. The white lettering «Nikon F» and «JAPAN» now is stamped on. The screen type still is engraved on the frame and laid out white.

The following types of screens were produced: A, B, C

Recorded body numbers between 6406164 and 6421780.

Focusing Screen Type 2a

Frame with a dull black finish and with only two notches on the upper edge of the frame on the right side. The screen is fixed in its frame by four screws with small heads. The focusing plate has a coarse fresnel structure. The white lettering «Nikon F», «JAPAN» is stamped on the frame. The screen type still is engraved on the frame and laid out white.

The following types of screens were produced: A, B, C

Recorded body numbers between 6417305 and 6427095.

Focusing Screen Type 2b

Frame with a dull black finish and with only two notches on the upper edge of the frame on the right side. The screen is fixed in its frame by four screws with small heads. The focusing plate has a coarse fresnel structure. The white lettering «Nikon F», «JAPAN» and now also the screen type is stamped on the frame.

The following types of screens were produced: A, B, C

Recorded body numbers between 6429325 and 6432843.

Focusing Screen Type 3 and 3g

Frame with a dull black finish and with two notches on the upper edge of the frame on the right side. The screen is fixed in its frame by four screws with large heads. The focusing plate has a finer fresnel structure. The white lettering «Nikon F», «JAPAN» and the screen type is stamped on the frame.

The following types of screens were produced:
A, B, C, E, F, G1, G2, G3, G4, H1, H2, H3, H4, J

Recorded body numbers between 6433219 and 6756056.

Type 3g: The word «Nikon» has been deleted for use in German market Nikkor F cameras!

Focusing Screen Type 4 and 4g

Frame with a dull black finish and with two notches on the upper edge of the frame on the right side. The screen is fixed in its frame by four screws with large heads. The focusing plate has a fine fresnel structure. The screen glass is a little bit larger, the frame on the left and the right side therefore slightly thinner. The yellow lettering «Nikon F», «JAPAN» and the screen type is stamped on the frame.

The following types of screens were produced:
A, B, C, E, F, G1, G2, G3, G4, H1, H2, H3, H4, J

Recorded body numbers between 6770383 and 7034434.

Type 4g: The word «Nikon» has been deleted for use in German market Nikkor F cameras!

Focusing Screen Type 5 and 5g

Frame with a dull black finish and with two notches on the upper edge of the frame on the right side. The screen is fixed in its frame by four screws with large heads. The focusing plate has a very fine fresnel structure. The screen glass is a little bit larger, the frame on the left and the right side therefore slightly thinner. The red lettering «Nikon F», «JAPAN» and the screen type is stamped on the frame.

The following types of screens were produced:
A, B, C, D, E, G1, G2, G3, G4, H1, H2, H3, H4, J, K, L, M, P, R, S, TV

Recorded F body numbers between 7047580 and 7450960.

Type 5g: The word «Nikon» has been deleted for use in German market Nikkor F cameras!