Nikon Nikkor T 360mm f/8 ED

An excellent 3 lens telephoto kit, although quite heavy as a single lens. The rear conversion elements weigh very little. I use the 360/500 set for 4x5, and the 720 mostly for 5x7. Despite Nikon's specifications, coverage increases at the longer focal lengths. the 720 will cover 8x10, although I haven't tested to see how sharp the corners are. The 720 draws 18 1/2 inches @ infinity. The 720, @ f16 can be a bit difficult to focus accurately.

Very sharp lens, reduces bellows draw required.

weight, only makes sense as a 3 lens outfit

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