Guess what lens this is

[Bamboopictures]

 

[RT9]

Very difficult to guess
As I cannot see the pic.

 

[Bamboopictures]

More details:

Weight 778 g (1.72 lb)
Diameter 84 mm (3.29&#8243
Length 108 mm (4.25&#8243
Filter thread 72.0 mm

What lens do you wish it to be to deserve a place in your bag?

Here's the Canon equivalent:

 

[kandinsky]

Very difficult to guess
As I cannot see the pic.

A right click + 'copy image address' reveals the answer

 

[kandinsky]

More details:

Weight 778 g (1.72 lb)
Diameter 84 mm (3.29&#8243
Length 108 mm (4.25&#8243
Filter thread 72.0 mm

The weight penalty is there man. Almost 0.5kg more than the already excellent 55mm/1.8.
2.7x as heavy as the 55/1.8.