Canon Speedlite ML-3 battery The Spiratone Macrobel is a

The Spiratone Macrobel is a twin-rail macro bellows for the M42 thread mount

but you can use the full range of shutter speeds and aperture even without it

so it’s best to check over the compatibility list at this link

The D90 is compatible with most Nikon F-mount lenses

The Saunders Photographic 11x14 4 blade easel is a good quality darkroom easel with four adjustable blades

Canon Speedlite ML-3 battery The Spiratone Macrobel is aThe Canon Speedlite ML 3 is a TTL ringlight for Canon EOS film cameras (though you can use it on any camera with a hot shoe in manual mode.) Not much in the way of control here, but if you're looking for a simple ringlight, this could do the trick. The strobe ring clips onto the front of the EF Compact Macro 50mm f3. 5 or 100mm f2. 8 Macro lenses (not the L one, the first one.) In excellent condition.