Quote:
Originally Posted by birdsnapper
Extremely sturdy-looking tripod mount, Don, but looks a bit heavy to lug around and the dials are confusing.
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The dials are to test deflection in various planes. The lens itself is very light, 1200gms so even with a bit of weight added it does not compare with what I would really like but could not afford, the f3.5 version at 2.8kg. I might baulk a bit at the f2.8 as thats 5.15kg.
In this case weight = image sharpness when on a tripod. For monopod use the additional foot I have made is not necessary as any vibration is damped by the weight of the hand on top of the lens barrel as tested by my gallery Starling pic.
Note I also added a bit of foam to the barrel for hand comfort in the cold.
Don