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Sony Alpha 7R V vs Sony Alpha DSLR-A900

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

SonyAlpha 7R VSonyAlpha DSLR-A900
Overview
ReleasedNovember 2022September 2008
Image and sensor
Camera typeMirrorlessDSLR
Sensor formatFull frameFull frame
Sensor typeBack-illuminated Exmor R CMOSCMOS
Sensor dimensions35.7 × 23.8 mm35.9 × 24 mm
Effective resolution61 MP24.6 MP
Largest image9504 × 63366048 × 4032
RAW recordingYesYes
Standard ISO range100–32000200–3200
Sensor detailApproximately 62.5 million total pixels; 3:2 sensor. Pixel Shift Multi Shooting combines four or 16 exposures on a computer; 16-frame output is 19008 × 12672. Compatible Imaging Edge software can correct small movements, but camera or subject movement can still spoil compositing.Exmor CMOS; approximately 25.7 million total pixels; RGB primary-colour filter; anti-static coating and sensor-shift dust removal
Image formatsJPEG, HEIF, RAW, RAW+JPEG and RAW+HEIF; Sony ARW 4.0, compressed, lossless-compressed or uncompressed RAW.JPEG, RAW (Sony ARW 2.1), compressed cRAW and RAW/cRAW+JPEG; 3:2, cropped 16:9 and approximately 11 MP APS-C crop. Sony’s Hong Kong launch PDF says ARW 2.0; the exact Japanese spec sheet and press table specify ARW 2.1.
ISO detailStandard still-image ISO 100–32000; expanded ISO 50–102400.Standard ISO 200–3200 in 1/3-stop steps, with expanded ISO 100–6400; Auto ISO 200–1600 with selectable limits
Image processorBIONZ XR and dedicated AI processing unit.Dual BIONZ image-processing engines
Lens and shooting
Lens mountSony E-mountSony A-mount
StabilisationSensor shiftSensor shift
Maximum continuous burst10 fps5 fps
Lens detail–Interchangeable Sony A-mount; compatible Sony, Minolta and Konica Minolta AF lenses. DT lenses trigger APS-C crop, but Sony does not guarantee full exposure performance with APS-C-only DT optics.
AutofocusFast Hybrid AF with 693 full-frame phase-detection points and 25 contrast points; phase coverage approximately 79%. Recognises people, animals, birds, insects, cars/trains and aircraft. APS-C lenses change phase-point count; recognition depends on selected mode and subject.TTL phase detection with nine selectable points (centre dual-cross) and ten non-selectable assist points; additional F2.8 precision sensor; single-shot, automatic and continuous AF, direct manual focus and manual focus; EV 0–18 detection at ISO 100; LED AF-assist lamp. AF micro-adjustment stores up to 30 lenses; no Eye-Start AF according to Sony’s exact Japanese table, despite the Hong Kong press table listing it.
Shutter–Electronically controlled vertical-traverse focal-plane shutter; 30 seconds to 1/8000 second plus Bulb; flash sync 1/250 second with stabilisation off or 1/200 second with it on; mirror-up drive mode
Burst detailUp to approximately 10 fps mechanical Hi+ with AF/AE tracking, or 8 fps with live view; electronic Hi+ up to 7 fps in Sony's launch footnote. Buffer claim is 583 compressed RAW, 135 uncompressed RAW or over 1000 JPEG frames using Sony CEA-G160T CFexpress Type A and Hi+ under maker conditions.Up to 5 fps Hi or 3 fps Lo; maker buffer claims 285 Standard JPEGs, 105 Fine JPEGs, 11 Extra Fine JPEGs, 12 RAW/cRAW or ten RAW/cRAW+JPEG frames; depends on memory card and shooting conditions
Stabilisation detailFive-axis sensor shift; Sony claims 8 stops under CIPA pitch/yaw conditions with FE 50mm F1.2 GM and long-exposure noise reduction off. Active video stabilisation narrows the field of view and is unavailable in 8K and 120p modes.SteadyShot INSIDE sensor shift; Sony claims approximately 2.5–4 stops depending on lens and shooting conditions; excludes Minolta AF Macro Zoom 3X–1X F1.7–2.8
Flash–No built-in flash; proprietary Alpha flash shoe and PC sync terminal; ADI and pre-flash TTL with compatible external units. Wireless control requires an HVL-F58AM and another compatible flash.
Exposure controls–Program, aperture priority, shutter priority, manual and Auto; no scene modes; 40-segment honeycomb, centre-weighted or spot metering; ±3 EV compensation in 1/2- or 1/3-stop steps; D-Range Optimizer, 13 Creative Styles, Quick Navi and three saved shooting setups
Video
Highest video resolution7680 × 4320 at 24 fps–
Video detailJapanese/NTSC recording includes 7680 × 4320 XAVC HS 8K at 24p, 10-bit 4:2:0. 8K and 4K 60p use an approximately 1.2× narrower field of view. 4K supports 10-bit 4:2:2; Super 35mm 30p/24p oversamples without binning. Full HD 120p is a lower-resolution mode. S-Cinetone, S-Log3 and HLG supported; USB streaming resolution is separate from internal recording.Still-image DSLR without video recording or rear-screen live view; Intelligent Preview captures a temporary image for exposure, white balance and D-Range Optimizer simulation rather than a live feed
AudioStereo microphone; 3.5 mm microphone and headphone sockets; compatible Multi Interface Shoe accessories enable 24-bit or four-channel digital audio.–
Screen and viewfinder
ViewfinderElectronicOptical
Screen size3.2″3″
Screen dots2,095,104921,600
TouchscreenYes–
Tilting screenYes–
Display detailFour-axis TFT LCD combines tilt with side-opening rotation; approximately 98° up, 40° down, 180° sideways and 270° rotation in the open position.Fixed 3.0-inch Xtra Fine LCD, 921,600 dots (640 × 480 RGB subpixels), with anti-reflection coating; separate small top status LCD
Viewfinder detail0.64-inch Quad-XGA OLED with 9,437,184 dots, 100% coverage and approximately 0.90× magnification; selectable 60/120 fps display.Fixed eye-level pentaprism; approximately 100% coverage and 0.74× magnification with a 50 mm lens at infinity; built-in eyepiece shutter; user-replaceable G/L/M focusing screens; optical depth-of-field preview
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)530 photographs880 photographs
Body weight638 g850 g
Release detailSony Japan specifies 25 November 2022 for ILCE-7RM5; this is the Japanese on-sale date, not a UK release claim. The Sony UK press-centre article reproduces a North American announcement with December shipping, so that is not treated as a UK date.Sony Europe’s spokesperson told Photography Bay that main-market availability began at the end of September 2008; month precision retained. Regional maker announcements give October 2008 for Hong Kong and 23 October 2008 for Japan.
Recording mediaTwo multi-format slots, each accepting CFexpress Type A or UHS-I/UHS-II SD; simultaneous, separate-media and relay recording. Type B cards are not supported.Separate CompactFlash Type I/II (UDMA Mode 5) and Memory Stick Duo/PRO Duo/PRO-HG Duo slots; Microdrive support; user selects recording medium, without simultaneous dual-card recording (PhotographyBlog)
PortsUSB Type-C at 10 Gbps, Multi/Micro USB, full-size HDMI, microphone and headphone sockets, sync terminal and digital-audio Multi Interface Shoe.USB 2.0 Hi-Speed; HDMI mini for still-image playback; NTSC/PAL video output; wired remote-release connector, flash sync and DC input; supplied software supports computer remote control
Wireless connectionsWi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0; no NFC in exact maker specification.–
Battery life detailNP-FZ100; CIPA approximately 530 photographs with LCD or 440 with viewfinder. USB Type-C Power Delivery charging and power supported.NP-FM500H; Sony CIPA claim approximately 880 photographs per charge; optional VG-C90AM grip holds two batteries. PhotographyBlog achieved barely half the claim during its review use.
Charging–Supplied BC-VM10 external charger; optional AC-VQ900AM adaptor/charger
DimensionsApproximately 131.3 × 96.9 × 82.4 mm (width × height × maximum depth); grip-to-monitor depth 72.3 mm.Approximately 156.3 × 116.9 × 81.9 mm (width × height × depth), excluding protrusions
Weight detailApproximately 638 g body only; 723 g with battery and memory card; lens excluded.Approximately 850 g without battery, memory card, lens or accessories; PhotographyBlog describes just under 930 g with battery, without providing a precise loaded figure
Materials–Magnesium-alloy front, rear and upper covers with aluminium internal chassis; seals reduce dust and moisture ingress. Sony explicitly says the camera is not waterproof or splash-proof.
Colours–Black
In the boxNP-FZ100 battery, BC-QZ1 charger, power cord, cable protector, shoulder strap, body cap, accessory shoe cap, eyepiece cup and USB-A to USB-C cable, according to Sony UK.NP-FM500H battery, BC-VM10 charger and power cord, RMT-DSLR1 wireless remote, USB and video cables, shoulder strap, eyecup, remote clip, body and shoe caps, software CD

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