Tagged Questions
0
votes
1answer
39 views
Can I remove the tiny amount of wiggle in the focus ring of my brand new lens?
I just purchased a Samyang 24mm T1.5 lens and the focus ring is not 100% solid and smooth, there is a tiny amount of give in the vertical direction (perpindicular to the horizontal direction the ring ...
6
votes
2answers
176 views
What are the constructional differences between a macro and a regular lens?
I understand that to reduce minimum focusing distances, macro lens design must focus on maintaining certain distances between the lens and the sensor.
However, is the placement of the lens and its ...
2
votes
1answer
649 views
How does the quantity of elements and blades in a lens affect the optics?
I am trying to get a greater understanding of how lenses work. Basically I bought this lens, the Sigma 10-20 f4-5.6:
The construction has really fascinated me. 14 Elements in 10 Groups?! What ...
