Pentax K-30 vs Nikon D3100

Winner
Pentax K-30

100

Nikon D3100

61

Runner-up

Reasons to buy the Pentax K-30

Full HD
Movie format
1080p @ 30fps
High resolution screen
Screen resolution
921k dots
Large viewfinder
Viewfinder size
0.61x
Image stabilization
Image stabilization
  1. Sensor shift
 

Reasons to buy the Nikon D3100

Startup delay
Almost no delay when powering up
400 ms startup delay
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
Size
Really small
Prosumer size (124×97×74 mm)
Thickness
Thin
2.9"

galleries

Explore our gallery of 48 sample photos taken by the Nikon D3100.
Explore our gallery of 50 sample photos taken by the Pentax K-30.

competitors

Pentax K-30 Competitors

Pentax K-5

Pentax K-5

Entry-level DSLR

$1,549 with 18-55mm lens

Shutter lag Much less shutter lag
External mic jack Has an external mic jack
Supports 24p No 24p support
Pentax K-50

Pentax K-50

Entry-level DSLR

$456 body only

$507 with 18-55mm lens

Light sensitivity Better maximum light sensitivity
Size Slightly smaller
Lowest price Slightly more expensive
Sony SLT A58

Sony SLT A58

Entry-level DSLR

$637 with 18-55mm lens

External mic jack Has an external mic jack
True resolution Significantly higher true resolution
Screen resolution Much lower resolution screen

Nikon D3100 Competitors

Canon EOS Rebel T5

Canon EOS Rebel T5

Entry-level DSLR

$349 body only

$399 - $420 with 18-55mm lens

Screen resolution Much higher resolution screen
True resolution Significantly higher true resolution
Size Larger
Nikon D3300

Nikon D3300

Entry-level DSLR

$403 body only

$397 with 18-55mm lens

Screen resolution Much higher resolution screen
Movie format Lower frame rate movies
Size Slightly larger
Nikon D5100

Nikon D5100

Entry-level DSLR

$350 body only

$649 with 18-55mm, 55-200mm lenses

Screen resolution Much higher resolution screen
Screen flips out Has a flip-out screen
Size Larger

discussion

Pentax K-30
K-30
Pentax

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Nikon D3100
D3100
Nikon

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