Ricoh Pentax K-3 23.35MP DSLR Camera vs Sony Alpha a7 24.3MP Digital Camera

Pentax K-3 23.35MP DSLR Camera được nhiều tín đồ công nghệ yêu thích nhờ chất lượng ảnh chụp cực tốt, chế độ quay video mượt mà, lấy nét nhanh, phù hợp với nhu cầu của nhiều người.

Máy ảnh có kích thước 131.5 x 100 x 77.5 mm (xHxD), cùng với trọng lượng là 800 GM.

Màn hình trên máy ảnh có kích thước 3.2 inch, rất thuận tiện cho việc xem lại ảnh và video trực tiếp qua màn hình của máy ảnh.

Pentax K-3 23.35MP DSLR Camera được trang bị cảm biến CMOS với kích thước 36 x 24 mm, và rất nhiều tính năng khác như Usable Lenses Pentax KAF3, KAF2, KAF and KA K Mount, 35 mm Screwmount, 645 / 67 Med Format Lenses Useable with Adapter and Restrictions, SDM Function, Power Zoom Function.

Ngoài ra, Pentax K-3 23.35MP DSLR Camera còn có nhiều chế độ chụp như Capture Modes Mode Selection Green, Hyper Program P, Sensitivity Priority Sv, Shutter Priority Tv, Aperture Priority Av, Shutter and Aperture Priority TAv, Metered Manual, Bulb, X-speed, USER 5 Presets, Custom Image Modes Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing, HDR Auto, HDR1, HDR2, HDR3, Exposure Bracket Value Adjustable, Automatic Composition Correction Function - All Include Gamut Radar and Fine Adjustment of Saturation, Hue, High / Low Key, Contrast, Sharpness Regular and Fine Adjustment Scales, Monochrome Mode Includes Adjustments for Filter Effects Green, Yellow, Orange, Red, Magenta, Blue, Cyan, Infrared, Toning Sepia, Warm, Cool, High / Low Key, Contrast and Sharpness Regular, Fine, Extra Sharp Adjustment Scales
Alpha a7 24.3MP Digital Camera được nhiều tín đồ công nghệ yêu thích nhờ chất lượng ảnh chụp cực tốt, chế độ quay video mượt mà, lấy nét nhanh, phù hợp với nhu cầu của nhiều người.

Máy ảnh có kích thước 126.9 x 94.4 x 54.8 mm (xHxD), cùng với trọng lượng là 474 GM. Ống kính đi kèm với Alpha a7 24.3MP Digital Camera là E-mount, cho phép bạn chụp mọi hình ảnh với chất lượng vượt trội dù ở gần hay xa hay trong điều kiện ánh sáng yếu.

Màn hình trên máy ảnh có kích thước 3 inch, rất thuận tiện cho việc xem lại ảnh và video trực tiếp qua màn hình của máy ảnh.

Alpha a7 24.3MP Digital Camera được trang bị cảm biến CMOS với kích thước 35.8 x 23.9 mm.

Ricoh Pentax K-3 23.35MP DSLR Camera

Sony Alpha a7 24.3MP Digital Camera

Thương Hiệu

Ricoh

Sony

Product

Ricoh Pentax K-3 23.35MP DSLR Camera

Sony Alpha a7 24.3MP Digital Camera

Model

Pentax K-3 23.35MP DSLR Camera

Alpha a7 24.3MP Digital Camera

Giá Bán

21,060,000đ

28,118,844đ

Tên model

Pentax K-3

Alpha A7

Số hiệu model

k-3

Màu

Black

SLR Variant

Body Only

Loại

DSLR Camera

Digital Camera

Effective Pixels

23.35 MP

24.3 MP

Tripod Socket

Yes

Kích thước (WxHxD)

131.5 x 100 x 77.5 mm

126.9 x 94.4 x 54.8 mm

Cân nặng

800 GM

474 GM

Nhiệt độ

14 to 104

0 to 40

Loại cảm biến

CMOS

Kích thước cảm biến

36 x 24 mm

35.8 x 23.9 mm

Maximum ISO

51200 ISO

25600 ISO

Lens Mount

E-mount

Compatible Lens

Sony E-mount lenses

Manual Focus

Yes

Dust Reduction

Yes

Other Lens Features

Usable Lenses Pentax KAF3, KAF2, KAF and KA K Mount, 35 mm Screwmount, 645 / 67 Med Format Lenses Useable with Adapter and Restrictions, SDM Function, Power Zoom Function

View Finder

Yes

View Finder Type

Pentaprism

XGA OLED, 1.3 cm 0.5 type electronic viewfinder colour

Viewfinder Coverage

100%

Viewfinder Magnification

0.92x with 50 mm F1.4 at Infinity

Approx. 0.71 x with 50 mm lens at infinity, -1 m-1

Viewpoint Dioptric Adjustment

-2.5 to +1.5 m

-4.0 to +3.0 m -1

Viewfinder Eye Point

27 mm

Other Viewfinder Features

Standard Focusing Screen Natural-bright-matte III Interchangeable, Depth of Field Preview Optical Diaphragm Stop-down, Digital, Pentaprism Optical Viewfinder for 100% FOV and 0.95 Magnification

Focus Mode

AF Single with Focus Lock, Focus / Shutter Priority Selectable, AF Continuous with Focus / FPS Priority Selectable Manual

Fast Hybrid AFphase-detection AF/contrast-detection AF

Focus Range

EV 0 to EV 20 ISO100 equivalent with F2.8 lens attached

Auto Focus

Yes

Focus Points

SAFOX 11 TTL Phase-matching - 27 Point 25 Cross Type Focus Points in the Center

35 mm full frame 117 points phase-detection AF, APS-C 99 points phase-detection AF / 25 points conotrast-detection AF

Metering Modes

Multi-segment, Center-weighted, Spot

White Balancing

White Balance Auto WB, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light D Daylight Color, N Daylight White, W Cool White, L Warm White, Tungsten Light, Flash, CTE

Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent Warm White / Cool White / Day White / Daylight, Flash, Color Temperature 2500 to 9900K & Color Filter G7 to M7 15 steps, A7 to B7 15 steps, Custom / Underwater

Other Focus Features

Focus Point Adjustment Spot, Select, Expanded Area S, M, L, Zone Select, Auto 27 AF Points

Lock-on AF, Eye AF, Predictive control, Focus lock, Eye-start AF and AF micro adjustment both only available with optional LA-EA2 or LA-EA4 attached, AF illuminator built-in, LED type, range approx. 0.30-3 m, AF ON

Exposure Mode

AUTO iAUTO, Superior Auto, Programmed AE P, Aperture priority A, Shutter-speed priority S, Manual M, Scene Selection, Sweep Panorama, Movie

Exposure Compensation

1/3, 1/2 EV Steps +/- 5 EV

+/- 5.0EV1/3 EV, 1/2 EV steps selectable with exposure compensation dial +/- 3EV 1/3 EV steps

Other Exposure Features

Multi-exposure Composite Mode Additive / Average / Bright Number of Shots 2 to 2000 Images, Interval 2000 Shots, 2 sec to 24 hrs, Time Delay Available

Shutter Type

Electronically-controlled, Vertical-run, Focal-plane Shutter

Electronically controlled, vertical-traverse, focal-plane type

Shutter Speed

1/8000 - 30 sec 1/3 or 1/2 Steps, Bulb

Still images1/8000 to 30 sec, Bulb, Movies 1/8000 to 1/4 1/3 steps, NTSC up to 1/60 in AUTO mode up to 1/30 in Auto slow shutter mode, PAL up to 1/50 in AUTO mode up to 1/25 in Auto Slow Shutter mode

Self-timer

Yes

Continuous Shots

Continuous fps Continuous H 8.3 fps 60 JPG, 23 RAW, Continuous M 4.5 fps 100 JPG, 32 RAW, Continuous L 3.0 fps 200 JPG, 52 RAW

5fps in Speed Priority Continuous Shooting mode

Flash Compensation

1/2 Steps in -2 to 1 EV

3.0 EV switchable between 1/3 and 1/2 EV steps

Other Flash Features

Type Retractable P-TTL Pop-up Flash, Guide number 13 m ISO 100, Coverage 28 mm Wide-angle Equivalent 35 mm, External Flash Hotshoe P-TTL, High-speed Sync and Wireless with Pentax Dedicated Flash, X-sync Socket, Synchronization Speed 1/180 sec

Image Format

RAW PEF, DNG, JPG EXIF 2.30, DCF 2.0 Compliant

JPEG DCF Ver. 2.0, Exif Ver. 2.3, MPF baseline compliant, RAW Sony ARW 2.3 format

Live View Shooting

Yes

HDR Support

Yes

Loại màn hình

TFT LCD

TFT

Kích thước màn hình

3.2 inch

3 inch

LCD Display

TFT LCD

TFT

Other Display Features

Type TFT Color LCD with Brightness / Saturation / Color Adjustment AR Coating and Air-gapless Glass, Wide-angle Viewable Yes, Digital Filters Capture Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome, Data Record Folder Name Standard, Date, File Name Standard, Customizable, Embed Copyright, Playback Modes Mode Selection Single Frame, Multi-image Display 6, 12, 20, 35, 80 Segmentation, Display Magnification Upto 16, 100% Display and Quick Magnification Available, Rotating, Histogram Y Histogram, RGB Histogram, Bright Area Warning, Auto Image Rotation, Detailed Info, Copyright Information Photographer, Copyright Holder, Folder Display, Calendar Filmstrip Display, Slide Show Mode Pallet Image Rotation, Digital Filter, Resize, Cropping, Slideshow, Save as Manual WB, RAW Development, Index Print, Protect, Movie Edit, Extract JPG from Movie, Magnification Upto 16X, Scrollable, Quick Magnification, Digital Filters Playback Base Parameter Adj, Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome, Tone Expansion, Sketch, Water Color, Pastel, Posterization, Miniature, Soft, Starburst, Fish-eye, Slim

Graphic Display, Display All Info., No Disp. Info., Histogram, Digital Level Gauge, Shooting information for viewfinder mode

HDMI

Yes

Batteries Included

Yes

Loại pin

Lithium ion

AAA Battery

Microphone

Stereo

Built-in stereo microphone or ECM-CG50/XLR-K1M sold separately

Audio Features

AVCHD Dolby Digital AC-3 2ch, MP4 MPEG-4 AAC-LC 2ch

Độ phân giải video

Movie Full HD 1920 x 1080 60i / 50i / 30p / 25p / 24p, HD 1280 x 720 60p / 50p / 30p / 25p / 24p

Chất lượng video

Full HD

Video Format

Movie MPEG-4 AVC / H.264, MOV - JPEG AVI for Internal Movie Record

AVCHD format Ver. 2.0 compliant / MP4

Hỗ trợ HD

Yes

Chế độ chụp

Capture Modes Mode Selection Green, Hyper Program P, Sensitivity Priority Sv, Shutter Priority Tv, Aperture Priority Av, Shutter and Aperture Priority TAv, Metered Manual, Bulb, X-speed, USER 5 Presets, Custom Image Modes Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing, HDR Auto, HDR1, HDR2, HDR3, Exposure Bracket Value Adjustable, Automatic Composition Correction Function - All Include Gamut Radar and Fine Adjustment of Saturation, Hue, High / Low Key, Contrast, Sharpness Regular and Fine Adjustment Scales, Monochrome Mode Includes Adjustments for Filter Effects Green, Yellow, Orange, Red, Magenta, Blue, Cyan, Infrared, Toning Sepia, Warm, Cool, High / Low Key, Contrast and Sharpness Regular, Fine, Extra Sharp Adjustment Scales