Sigma Art 135mm f1.8 DG for Nikon F brand_Ricoh 6 Zuiko Digital is a

6 Zuiko Digital is a lightweight telephoto zoom lens for the Four Thirds digital SLR system (NOT FOR MICRO FOUR THIRDS)

if you compare it to any high-end tripod

the lens side can mount anything F mount

and a serviceable combined viewfinder/rangefinder

Sigma Art 135mm f1.8 DG for Nikon F brand_Ricoh 6 Zuiko Digital is aThe Sigma Art 135mm f1. 8 DG is a fast, sharp short telephoto lens with quick focusing and Sigma's premium Art lens build quality. This is not a small lens: it weighs more than a kilo, and it's as big as your average 24 70mm f2. 8 lens. But it's worth it! In excellent condition, with light internal dust. Includes hood and case.