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Latest Review Posted Samyang 135mm F2.0 ED UMC
Using it almost entirely for astronomy. Being an f/2 lens it records faint nebulosities even with the short exposure times the astrotracer allows. It could easily be called an "astrograph". The lens is sharp corner to corner even at f/2.0. A dream lens, especially considering the price.

Stack of 18 X 30 s iso 800 @f/2.0. K-5 with astrotracer.
Pleiades with comet Wirtanen in December 2018

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