thoughts of the sigma 150-600mm

My thoughts after one week of use.

At the begin of this week i got my sigma 150-600mm contemporary lens in the mail. It is the nikon mount, and i have been using it with the nikon D7200. The reason i bought this lens is for bird photography. I have been birding for a year, mainly in swampy area`s.

Specs:

• Focal length: 150-600mm
• Angle of view: 16.4 to 4.1degrees
• Aperture (min): 5-6.3
• Aperture (max): 22-29
• Filter Size: 95mm
• Diaphragm: 9 bladed
• lens construction: 20 elements in 14 groups
• Dimensions: 105*260.1mm
• Weight: 1.93 kg
• Max magnification: 1:5
• Close focusing: 2.8m

How did it perform so far

One thing to know is that i never used one of the big prime telephoto lens, so i wont be comparing this lens to one of those. Also to be honest this lens is not comparable to a 500f4 or a 600f4, they are 10x the price.  I bought mine for about 800 dollars.

So I will be comparing it from being used to a 55-300mm lens. There is a big difference between these lenses, like focal length range and the fact that th e55-300mm is a crop sensor lens. 

Auto focus

The autofocus is fast enough to focus on birds in flight, still you need patience to focus. The main difference is that the sigma 150-600mm focuses from minimum focus to infinity focus is way way faster than the 55-300mm. 

Sharpness  

This one is a short answer, it is sharper that a 300mm lens at 300mm and at 600mm it is sharper.

Things that could be better

• The tripod mount on the lens is a bit short for using it as a handle. 
• The manual focus ring a a bit small and the trough is a bit short. 
• The lens extended a lot when zooming to 600mm. (maby on a new sport version its an internal zoom)

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I am Claes Touber a Dutch Photographer. My photography spreads from landscape photography to wildlife photography. 

These forms of photography give me more opportunities to capture emotions that will for fill me. Every day there is a new opportunity and a new adventure waiting to capture. 

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