Question about Pentax *ist D Digital Camera

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Problem with JPEG compression?

I have the camera set for 3 stars and "L", which is the highest resolution jpeg with 1:3 compression. I have a 256mb sandisk CF card---the camera's display shows 57 pics can be taken at this resolution and compression. When I start taking pics, the card remains at 57 or goes down as the pics are being taken, then goes back up. I took 156 pics on the card at this setting. My files are between 1.1 and 2.0 mb, which sounds more like 1:12 compression. Anyone know what is going on?

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Think what is happening is that Pentax is not using the maximum JPEG quality value for their high quality setting. I re-saved an image in Photoshop last night, and the JPEG quality value was set to 9. I increased it to 12, and ended up with a 3.5 MB file.

Posted on Sep 08, 2005

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1 Answer

How to change resolution of camera?


In the camera menu select 'Quality' RAW will be he highest resolution then Large jpeg, Med jpeg going down to the lowest which is S.
Your camera my show the quality in Mps size the highest no. will be the highest resolution

May 08, 2014 | Sigma AF 70-300mm f/4.0-5.6 DL Macro Super...

1 Answer

I want to know if i can use a 8 gb cf card for a hp 618 camera


Definitely not. When your 2.11MP camera was designed even 1GB CF cards hadn't been released. Your camera will be completely unable to address the memory of large capacity cards and is limited to an absolute maximum of 512MB.

Cards of that size will slow the camera down though and some brands may not even work, so I recommend that you go no higher than 256MB, which even at highest picture quality settings will still allow you to store 240 JPEGs at the best quality level and about 900 JPEGs at the good quality level.

256MB and 512 MB CF cards are regarded as obsolete now and are hard to find in shops but are still available from online retailers. Alternatively, just ask on your local FreeCycle or Freegle groups as the resale value of such cards is zero and many folks have them lying around in drawers and in dead devices.

You may also find the user manual to be of use, click here for a free download from HP.

I hope that you have found my reply to be informative and useful. Please let me know by taking a moment to rate the free answer I have provided for you.

Oct 02, 2010 | HP Photosmart 618 Digital Camera

1 Answer

I just purchased a 4GB SanDisk Extreme lll CompactFlash for my camers but when I try to use it I get the Unable to use card message. What can I do?


I suspect 2GB is the maximum the camera will take. A 2GB Sandisk card works in my 7i. When the DiMAGE 7i was launched, 256mB was about as big as CF cards got!

Sep 06, 2010 | Konica Minolta DiMAGE 7i Digital Camera

1 Answer

I would like to know why I keep getting a busy notice on my canon xsi


Generally, it means these two things:

The memory card is in use, saving pictures.

You may have the picture resolution set too high, or saving in "raw".
Change resolution to somthing lower, such as 6MP (megapixels) for now, and go to a higher resolution, like 10.... in a month or so.

Also Canon switched memory cards from CF to SD/SDHC.

Look at the memory card and look for a number within a circle. That is the speed rating. "6" is the highest rating (fastest) you may have a "4" .... use only a "6" in that camera. A new rating method is emerging in the industry ( 1 ~ 10) ... in the future, use a "10", when it becomes available.

I hope this helps!






Sep 21, 2009 | Canon EOS Rebel XSi Digital Camera

1 Answer

Card reader in camera or computor wont read sdhc cards


Although my SanDisk compactFlash cards 128 MB 256MB 4GB and 8GB cards are far from being full, when I open up my Canon Powershot A40, the follwing msg appears: CF card full. However, the original Canon Compactflash card FC 8M provided with my camera will still accept new photos. The problem is recent. Can someone help me.

Sep 13, 2009 | SanDisk ULTRA II 4GB Compact Flash Card...

2 Answers

Exposure number in Canon does not change


Due to the age of the camera, the Ultra 2 CF card may be using a different architecture than your other CF cards. In other words, the card is incompatible with the camera.

One other problem may be that the camera is not designed to recognize a card which is of a larger capacity.

As I cannot find the 300D on Canon's site it is difficult to find exact specifications as to the abilities of the camera, as to what type of CF card it will accept, what the largest capacity it will accept, etc.

A more fixable problem would be either that the card is not formatted properly - which may be possible through the camera itself. Please try to navigate the camera's menu to find a format option. If not, you can insert it into a CF card reader and attempt formatting it that way. Please see Here for formatting through a camera.

Also, try Here for yet another possible explanation of your problem, as #6.

If the camera is meant to take the capacity and type of CF card, and is not damaged, the only other explanation is that it is write-protected. As I do not know the exact features of your CF card, I cannot say whether or not it has a manual write-protection switch. If it does, it would be a small sliding piece of plastic or metal on the side of the card which toggles the write-protection feature. It may also be write-protected as a file system, in which case you will need to format it.

If the card refuses to format due to a write-protection, you will need to remove the write-protection from the card first and then format it.

The following picture shows a CF card with a write-protection switch on the left hand side.

e79a312.gif

If this proved helpful, please rate. If you need further assistance, please come back and I will attempt to provide further help.

Thank you and take care,
- Dshack.

Dec 16, 2008 | Canon Digital Rebel / EOS-300D Digital...

2 Answers

Formating a CF sandisk card


I dont know about formmating CF sandisk card with canon A70, however, i can recommend another method: hook it up to your desktop and format it through a CF adaptor. It may take a couple of attempts. it didnt do any damage, at least not one that im aware of. Im not 100% sure though, so don't get me responsible in case it will damage yours. anyways, if you do it, you can try the process described above. good luck.

Apr 03, 2006 | Canon PowerShot A70 Digital Camera

6 Answers

Panasonic SD card


> The Panasonic 256MB SD card is twice as fast as the cheap SanDisk > 256MB I bought from Costco for $65. Saving the 5-shot burst at > 4MP, the Panasonic card takes only 2-3 seconds to save, whereas the > SanDisk card takes 5-6 seconds. Although the SanDisk works just > fine in video mode - I was able to fill the card with video. The > extra speed is also very noticeable on the Panasonic SD through my > 8-in-1 SanDisk USB2 reader on WinXP copying the files to my hard > disk. > > Has anyone tried SanDisk's "ultra" or other performance versions? > Any reason why the Panasonic is so much faster? the panasonic SD is rated at 10Mb/sec. ditto for the Sandisk Ultra II. I've got both versions of the Sandisk. the regular Sandisk is only rated at 2 Mb/sec which explains the slow save speed. the Sandisk Ultra II is much faster compared to the regular Sandisk.

Sep 04, 2005 | Panasonic SV-AS10 Digital Camera

1 Answer

Features of each record mode


The details for each record mode are as follows: RAW: RAW data is unprocessed image data in its original state to which white balance, sharpness, contrast, color conversion and other processes have not been applied. CAMEDIA Master can be used to display RAW data and save it in other image formats. A RAW plug-in is also available for Adobe Photoshop which also provides the ability to process images in 32-bit color depth. TIFF: This is the highest-quality mode. images are saved as uncompressed data, which is the best for printing or image processing on a computer. SHQ: This is a high quality mode using the JPEG format. Because the compression rate is very low, high quality images can be stored. HQ: This is a high quality mode using JPEG format, with medium compression. Because the compression rate is higher than SHQ, file sizes are smaller. More images can be saved to a card. The file size can be changed in the 3:2 or Enlarge size mode as well as SHQ. 3:2 Mode: Ordinarily the image aspect ratio is set to 4:3. Due to change the ratio to 3:2, the picture size becomes 2592 x 1728 so that the image can be printed without losing the image borders at a photo lab. 3:2 can be set in the TIFF, SHQ, or HQ mode. SQ1/SQ2: SQ1 is used for resolutions above 1600 x1200 and SQ2 is used for resolutions below 1600 x1200. For both, you can choose high compression to reduce noise or normal compression to save more images.

Sep 04, 2005 | Olympus Camedia C-8080 Wide Zoom Digital...

1 Answer

Features of each record mode...


The details for each record mode are as follows: RAW: RAW data is unprocessed image data in its original state to which white balance, sharpness, contrast, color conversion and other processes have not been applied. CAMEDIA Master can be used to display RAW data and save it in other image formats. A RAW plug-in is also available for Adobe Photoshop which also provides the ability to process images in 32-bit color depth. TIFF: This is the highest-quality mode. images are saved as uncompressed data, which is the best for printing or image processing on a computer. SHQ: This is a high quality mode using the JPEG format. Because the compression rate is very low, high quality images can be stored. HQ: This is a high quality mode using JPEG format, with medium compression. Because the compression rate is higher than SHQ, file sizes are smaller. More images can be saved to a card. The file size can be changed in the 3:2 or Enlarge size mode as well as SHQ. 3:2 Mode: Ordinarily the image aspect ratio is set to 4:3. Due to change the ratio to 3:2, the picture size becomes 2592 x 1728 so that the image can be printed without losing the image borders at a photo lab. 3:2 can be set in the TIFF, SHQ, or HQ mode. SQ1: SQ1 uses the highest compression for resolutions greater than 1600 x 1200. You can choose high compression to reduce noise or normal compression to save more images. SQ2: SQ2 uses the highest compression for resolutions less than 1600 x 1200. You can choose high compression to reduce noise or normal compression to save more images.

Sep 04, 2005 | Olympus Camedia C-5060 Wide Zoom Digital...

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