Tagged Questions
6
votes
2answers
168 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
590 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 ...
