|
|
|
Pentax K20D Prime Lenses that have a Pentax SDM focus motor
|
|
|
|
"Extremely well built, weather sealed, fast, and sharp at all F-stops."
|
Focus motor
|
Pentax SDM |
|
|
Length
|
134 mm |
|
|
|
|
|
Aperture
|
f/2.8 |
|
|
Weight
|
0.8 kg |
|
|
|
|
|
Min focal length
|
200 mm |
|
|
Diameter
|
83 mm |
|
|
|
|
|
Max focal length
|
200 mm |
|
|
Auto focus
|
Yes |
|
|
|
|
|
|
|
|
|
|
|
"Incredible! From the very first moment you look through the view-finder, you'll see the difference. It puts other lenses to shame, especially zooms. Razor sharp!"
|
|
Great telephoto lens |
|
| 300 mm |
|
|
Focus motor
|
Pentax SDM |
|
|
Length
|
184 mm |
|
|
|
|
|
Aperture
|
f/4 |
|
|
Weight
|
1 kg |
|
|
|
|
|
Min focal length
|
300 mm |
|
|
Diameter
|
83 mm |
|
|
|
|
|
Max focal length
|
300 mm |
|
|
Auto focus
|
Yes |
|
|
|
|
|
|
|
|
"I love the lens in almost all ways. It's sharp, fast focusing, needs very little light in F1.4 and the quick shift to manual focus is really OK to have."
|
Focus motor
|
Pentax SDM |
|
|
Length
|
n/a |
|
|
|
|
|
Aperture
|
f/1.4 |
|
|
Weight
|
375 g |
|
|
|
|
|
Min focal length
|
55 mm |
|
|
Diameter
|
n/a |
|
|
|
|
|
Max focal length
|
55 mm |
|
|
Auto focus
|
Yes |
|
|
|
|
|
|
|
|
