Pentax K-1 vs Sigma fp

Cameras
Compare Cameras
Pentax K-1 vs Sigma fp

35mm 861.6mm²
36.4 megapixels
ISO 100 - 204,800

Go in depth with our full Pentax K-1 Review.
How does it shoot? Pentax K-1 in the real world.
See real-world photos taken with the K-1.
Compare Pentax K-1 image quality against competitors.
What’s the bottom line? Read our Pentax K-1 conclusion.

35mm 858.0mm²
24.6 megapixels
ISO 100 - 25,600

Go in depth with our full Sigma fp Review.
See real-world photos taken with the fp.

Succeeded by the Pentax K-1 II
Compare K-1 vs K-1 II
Compare Pentax K-1 II vs Sigma fp

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Differences

Pentax K-1 advantages over Sigma fp

Eye-level viewfinder
Eye-level vs Rear display only
You'll be able to frame photos even when the sun is out
Tiltable Screen
Tiltable vs Fixed
Tilt the screen for shooting flexbility
High resolution composite
Yes vs No
Combine multiple shots to form a super hi-res version
Built-in Wi-Fi
Wi-Fi vs None
Share your photos wirelessly
Built-in GPS
GPS vs None
Geotag your photos
Top deck display
Yes vs No
Check settings with a screen on top of the camera
Higher max flash sync
1/200 vs 1/30 sec
Reduce the effect of ambient light in flash shots
More pixels
36.4 vs 24.6 megapixels
Higher resolution photos
Dual card slots
Yes vs No
Gives you more storage flexibility
Headphone jack
Yes vs No
Monitor audio recording while you shoot video
Optional anti-aliasing filter
Optional vs None
Lets you choose sharper photos or reduced moiré
Bigger JPEG buffer
74 vs 12 shots
Take more JPEG shots before waiting (burst mode)
Bigger RAW buffer
17 vs 12 shots
Larger buffer for RAW shots (burst mode)
Higher extended ISO
204800 vs 102400 ISO
Higher extended ISO can give more low-light flexibility

Sigma fp advantages over Pentax K-1

Bigger pixels
~ 5.98 vs 4.88 microns
Better low-light and dynamic range (all else equal)
Shoot 4K video
4K (UHD) vs 1080p
Make sure you have a fast computer
Touchscreen
Touch vs No touch
Interact with your camera just like your smartphone
Thinner
45 mm vs 85 mm
Thinner
Newer
5 years vs 8 years old
Newer cameras often support more advanced features
Lighter weight
422g vs 1015g
Lighter weight
More dots on screen
2100k vs 1037k dots
Can mean greater resolution or a brighter screen
Faster JPEG shooting
18.0 fps vs 4.6 fps
Faster JPEG shooting (burst mode)
Faster RAW shooting
18.0 fps vs 4.6 fps
Faster RAW shooting in burst mode
Slow-motion videos
Yes vs No
Shoot slow-motion videos

Similarities

Common Strengths

Focus peaking
Both provide
Your camera will highlight what's in focus
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
External Mic Jack
Both provide
Improved sound fidelity when shooting video
HDMI out
Both provide
Use HDMI output to monitor or review video
Hot shoe
Both provide
Off-camera flashes open new possibilities
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

Tilt-swivel screen
Neither provide
Tilt and swivel the screen for maximum shooting flexibility
In-camera panoramas
Neither provide
Stitches multiple shots into a panoramic photo
NFC
Neither provide
Simplifies pairing your camera with supported phones
Built-in Bluetooth
Neither provide
Always-on wireless connectivity
On-sensor phase detect
Neither provide
Usually improves live view and video AF performance
Internal flash
Neither provide
Useful in a pinch for fill flash

User reviews

Amazon
Adorama
Read K-1 User Reviews

Amazon
Adorama
Read fp User Reviews

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Body Only

Body Only
Kit with 45mm f/2.8 lens

Review Excerpt

Unlocks the full potential of full-frame Pentax lenses; Excellent image quality; Great ergonomics and build; Very compact for full-frame; Decent performance; Fast autofocus with great low-light capabilities; Very wide sensitivity range; Bright, accurate viewfinder; Articulated LCD; Stabilization, Wi-Fi and GPS in-camera
No built-in flash strobe; Quite heavy compared to APS-C flagships; Somewhat soft images and blown highlights by default in JPEG mode; Warm Auto white balance indoors; Slow startup and buffer clearing; Small top-deck status display; Weak viewfinder illumination; Below-average battery life for DSLR
Read our Pentax K-1 Review

We haven’t finished our review of the Sigma fp, but we have extensive sample photos and a hands-on report.
Read our Sigma fp Shooter's Report

The Competition

Compared to Canon 5DS

Pentax K-1

Canon 5DS

$1800
35mm

Focus peaking
In-Camera Image Stabilization

$1299
35mm

Fast startup
More cross-type AF points

Compare Pentax K-1 vs Canon 5DS

Sigma fp

Canon 5DS

$1672
35mm

Focus peaking
In-Camera Image Stabilization

$1299
35mm

Less expensive
Eye-level viewfinder

Compare Sigma fp vs Canon 5DS

Compared to Canon 5DS R

Pentax K-1

Canon 5DS R

$1800
35mm

Focus peaking
In-Camera Image Stabilization

$1729
35mm

Fast startup
More cross-type AF points

Compare Pentax K-1 vs Canon 5DS R

Sigma fp

Canon 5DS R

$1672
35mm

Focus peaking
In-Camera Image Stabilization

$1729
35mm

Eye-level viewfinder
Top deck display

Compare Sigma fp vs Canon 5DS R

Compared to Pentax K-1 II

Pentax K-1

Pentax K-1 II

$1800
35mm

$1747
35mm

Higher extended ISO

Compare Pentax K-1 vs Pentax K-1 II

Sigma fp

Pentax K-1 II

$1672
35mm

Less expensive
Bigger pixels

$1747
35mm

Eye-level viewfinder
Tiltable Screen

Compare Sigma fp vs Pentax K-1 II

Compared to Sony A7C

Pentax K-1

Sony A7C

$1800
35mm

Lens selection
High resolution composite

$1665
35mm

Tilt-swivel screen
Bigger pixels

Compare Pentax K-1 vs Sony A7C

Sigma fp

Sony A7C

$1672
35mm

Less expensive
Thinner

$1665
35mm

Tilt-swivel screen
Eye-level viewfinder

Compare Sigma fp vs Sony A7C

Compared to Sigma fp L

Pentax K-1

Sigma fp L

$1800
35mm

Less expensive
Eye-level viewfinder

$2499
35mm

Shoot 4K video
Touchscreen

Compare Pentax K-1 vs Sigma fp L

Sigma fp

Sigma fp L

$1672
35mm

Bigger pixels
Higher max flash sync

$2499
35mm

Newer
More pixels

Compare Sigma fp vs Sigma fp L

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