Recent content by Zeropoint

Quote Published on 11 Apr 2013 A talk by Sony's top lens designer Motoyuki Ohtake at the Sony Alpha Experience 2013 event held in Malaysia, talking about design tradeoffs for the new Zeiss 50mm f/1.4 ZA SSM and the 70-400mm f/4-5.6 G2 (white) SSM lenses. Sony Master Lens Designer - Motoyuki...

These are extreme conditions. That is the test climate condition for electronic products to be tested: e.g. low temp low RH e.g. high temp high RH [85degC 90%RH] But now, don't know how many company/manuf(s) will tested it. .... Ignore, if .... Did you ever measure/monitor the...

Definition: The relative humidity of an air-water mixture is defined as the ratio of the partial pressure of water vapor (H2O) in the mixture to the saturated vapor pressure of water at a prescribed temperature. Measurement: The humidity of an air-water vapor mixture is determined...

You want RH=50%, Did you pre-set the RH to 50%? FYI: The factory pre-set is set at 45% RH or ba ba.. I suspect that you did not make any change to the pre-set of the RH. Thus, your pre-set is still set to 45% and it keeps hovering at 42-43% which is within the specification...

For Digicabi's DHC professional series, is a digital display(temperature and RH %) with Digital Humidity Controlled system[Pre-set RH value]. Base on the specification, For DHC Series, you can control the humidity using the LCD Hygrometer on the front panel. There is a set button which you can...

Never put around near direct sunlight area nor hear high RH % (highly wet) area. For Digicabi's DHC professional series, the pre-set RH value and the final steady RH value shall be around +/-3%. Cycle will be the auto Check the rubber on the door, any leak. After reached the set RH value: if...

FYI: the Silicon Power 400X and Lexar 300X refer to the read speed and up to that speed. Any write speed stated? You got 31MB/s for the Silicon Power 400X and Lexar 300X cards. ... ... Limit of USB2.0 and Limit of USB2.0 reader. Tested with ATTO Benchmark. Lexar 4GB 300X & Silicon power...

Remember that Live matches from MIO TV needs some time taken to convert and encode to digital video signal(s) with digital sound(s) before sending out via old phone line (twisted pair phone line) or new optic Fibre point. Some may be HD(720p) or Full HD(1080p) which takes much more data...

That web on-line price is NEVER updated and is RSP. Now, SDHC for Sandisk Extreme Pro is already 95MB/s but still shows 45MB/s photo. That why so expensive. Futhermore, memory price drops very fast. Always get the lastest price. FYI:recent IT show price 1a. Sandisk Extreme Pro SDHC 8GB...

Lexar 600x 90MB/s SDHC, *Minimum 90MB/s read transfer, write speeds lower but never stated the write speed ?? unknown. For sure, write speed must be greater than 10MB/s due to class10 spec. Sandisk Extreme Pro SDHC, also come with lifetime warranty as well for those with VM sticker. If...

Phase May be centre AF focus is almost perfect but still never perfect in Today Technology (i.e. 100%). Their others AF focus points (left outermost corners, right outermost corners) usually CANNOT made it if use to lock focus using very big aperature (below F2) with low contrast/...

Refer to SONY A77 manual page228, quote" The approximate number of images that can be recorded is as follows when you use the camera with the battery pack (supplied) at full capacity. Note that the actual numbers may be less than those indicated depending on the conditions of use. LCD...

B + W Filter: F-pro or XS-Pro defines the thickness F-pro (Matte Black Brass alloy Filter Ring; Alu alloy) Single coated or non-coated??? [Not easy to clean, NOT worth to get this series/type for this brand and not for wide angle] F-pro (Matte Black Brass alloy Filter Ring; Alu alloy) MRC...

For best image quality, you can try the following brand/series but very expensive 1. Singh-Ray New Vari-ND Filter 2. Kenko Variable NDX Filter ND 2.5 to ND 1000 2a. CP/TK 3. Light Craft Workshop Fader ND Digi Pro-HD Round variable neutral density filter ND2-ND1000

OFFICIAL SONY LCD protective sheet semi-hard PCK-LM3AM for α77 [This is actually 2 protective sheets - one for the articulating LCD and one for the display on top of the camera. Both fit perfectly and go on fine. Only time will tell how protective they really are.] Not listed in...