Nikon AF Teleconverter TC-16A  type_Digital Cameras And that's why they call

And that's why they call it a Turnit

4 head is an old-school all-metal tripod head with three-way adjustment

But if you’re looking for a good deal on an adjustable viewfinder

Hasselblad Rapid Wind Crank 44040 for V series cameras with interchangeable winders

This would be a pretty useful accessory if you wanted to use a Viso lens on a digital camera with an LTM adapter

Nikon AF Teleconverter TC-16A &nbsptype_Digital Cameras And that's why they callNikon AF Teleconverter TC 16A for Nikon F mount. This unique teleconverter gives autofocus capabilities to many F mount manual focus lenses! When used on a suitable camera body, this teleconverter dials in focus automatically after manually focusing to the general distance. Compatibility is limited however: Nikon recommends the TC 16A only with the F 501 N2020, but several other bodies including the F4 and F N90 work as well. Please confirm