iXBT Labs - Computer Hardware in Detail






Minolta DIMAGE F300 Camera Review

March 10, 2003

What's new?

MinoltaDimageF300 F100

Minolta has replaced its Dimage F100 launched less than a year ago (March 2002) with F300. The first thing catching the eye is a larger resolution, but later it turns out that it's not so important. A 5Mp shot of the new model measures 2560 x 1920 against 2272 x 1704 and 3.95 Mp of F100. The length is now greater by 288 pixels (12%), or by only 1 "polygraphic inch". The file size grows in square proportion, that is why a memory card can now house 4X shots instead of 5X and the camera may shoot slowlier. F300 must work faster than F100: the buffer increased up to 32 MB made the new camera faster and more functional. So, if you shoot video or make dynamic shots in the series mode, go with F300 as it provides up to 20 min. of video with the new Extended Recording technology (instead of 35 sec of F100), up to 180 minutes of sound, 1.5 fps series in the standard mode (F100 had it the same) and up to 11 fps at Ultra High Speed 1280x960. The transition to the bigger matrix also entailed an increase in basic sensitivity - 64 instead of 100.

Minolta F300

Specification of F100 and F300

Minolta DIMAGE F100
Minolta DIMAGE F300
Effective pixels
3.95 Mp
5.0 Mp
CCD matrix, ADC
1/1.8 ", 4.13Mp, 12bit
1/1.8 ", 5.3Mp, 12bit
100, 200, 400 and 800 ISO
64, 100, 200 and 400 ISO
Minolta GT 7.8 - 23.4 mm (38 - 114 equivalent to 35mm film), f/2.8 - f/4.7, 8 elements in 7 groups (3 elements with aspherical surfaces)
14.5 - 54.5 cm Macro, from 0.5 m in Normal mode
Frame size (min.)
31.7 x 42 mm
38 mm TFT 123000 
15 - 1/1000 s
Focus areas
Wide focus area (Area AF), Spot focus area with focus area selection
Focus modes
Subject tracking AF, Single shot AF, Full-time AF, Manual focus
Exposure metering
Multi-Segment (256), spot
Multi-Segment (256), center-weighted, spot
Exposure modes and programs
Program AE, Aperture Priority, Shutter Priority, Manual Mode, Portrait, sports action, landscape, sunset, night portrait, macro
Flash modes
Auto, Auto & Red-Eye reduction, Fill Flash, Off. 
W 0.5 - 2.9 m, T 0.5 - 1.7 m 
W 0.5 - 3.4 m, T 0.5 - 2 m
File format 
JPEG, TIFF max 2272 x 1704, Motion JPEG (MOV) 15 fps 35 sec 320x240, DPOF, DPOF
JPEG, TIFF max 2560 x 1920, Motion JPEG (MOV) 15 fps 20 min 160x120 and 3 min 320x240, DPOF, PRINT Image Matching II, Exif Print
USB 1.1, video NTSC, PAL, 
Power supply
1 CR-V3 Li battery or 2 Ni-MH AA 
111x52.3x32.0 mm, 185g without battery and memory card
111.0 x 52.5 x 32.5 mm, 185mm, 185g without battery and memory card 


Minolta GT 3X Lens 1:2.8-4.7 f = 7.8-23.4 (equivalent to 38 -114 mm for 35mm frame) is zoomed by moving and rotating external mount cylinders. Above you can see how the lens works (from http://www.minolta.pl/). Data coming from the matrix are processed with a 12bit ADC and the camera's processor by Minolta-CxProcess algorithm (optimization of sharpness, contrast, color, digital image noise - like in Dimage 7). 

The advanced technologies incorporated into Minolta F series is automatic choice of a subject mode and auto focus. The focus system is based on 5 sensors forming a cross. You can manually set a focus area (press and hold the multiselector button and choose an area with side buttons) or enable the area AF zone (covers 50% frame) for detecting (by the camera's automatic system) a needed object. The subject tracking AF follows the subject in the space (normal to the frame plane is the speed of running, and along the place is the speed of walking). The automatic system can choose a subject mode out of Portrait, Sport, Landscape, Sunset and Night Portrait using the data of the AF system and 256-zone exposure metering system. In case the auto system chooses a program, the display shows a respective pictogram.


Subject tracking. 


Shooting modes: auto, manual (you can choose an exposure program type or manual settings through the menu), view, video, dictaphone and system settings. Mic-in and speaker. AREA AF and 5 MEGA PIXELS written on the top. Manual focusing and focusing point manual selection. 

F300 like F100 is controlled through the menu and mode dial. With the latter you can select either the automatic or one of the manual exposure modes (manual, program AE, Aperture Priority, Shutter Priority), view, video and sound recording. The flash mode and exposure correction buttons are under the information display. Today camera developers tend to remove an information display, but this camera still has it and it helps a lot in case of traditional shooting style with a viewfinder. But, like in F100, the flash shines toward the photographer as well through the information display window. It may prevent you from correct estimation of brightness of the scene you shoot.

Minolta F300

TFT display, menu navigation and lens focal length control buttons. The flash and exposure correction buttons are under the information display.

64Mb SD memory card bundled, 2AA batteries. 
MinoltaDimageF300 MinoltaDimageF300

Plain and stylish brick-shape design.




Resolution chart fragment (twice enlarged in HTML) for F=11.3 mm and f/d = 3.5.


Fragment 1:1

iso eqv. to 64, t=1/4 c, f/d = 3.5

iso eqv. to 100, t=1/6 c, f/d = 3.5

iso eqv. to 200, t=1/10 c, f/d = 3.5

iso eqv. to 400, t=1/20 c, f/d = 3.5

F300 supports noise reduction at long exposures (over 1 sec). It can be forcedly turned on/off.


Full image JPEG 1591 KB is here

The lens optical properties are good, aberrations are intangible, but the number of lines out of focus got slightly increased. Reduced shot, without framing.  Minolta F100, auto mode and shot fragment 1:1.


Full JPEG 1522 KB image is here.
ISO 200, 1/10 sec, f = 11,3 mm, f/d = 3.5. 


In the series mode Minolta DIMAGE F300 made 7 shots of 2560*1920 1.8MB at 8 sec (auto focus, auto exposure, system sound are enabled), though F100 can make only 4 in a row until the buffer is full and then 1 shot in 4 sec. 

The F line has changed but if you are not going to shoot long series and 20-minute video clips then F100 will be no difference from F300. Those who are targeted by the company will, most likely, appreciate lengthy video clips, - they won't need a video camera in addition.

Sergei Sherbakov  (sherbakovs@ixbt.com)


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