Hasselblad are spot on with their 6X6 and all other formats- as expected.
Hasselblad are spot on with their 6X6 and all other formats- as expected.
Hasselblad and most MF SLRs/TLRs actually print a 56x56mm frame.
As Mike has already pointed out most film size are rounded up or down.
As far as I can recall they're as follows albeit they can vary by
manufacturer:
<table style="border-collapse: collapse;" id="AutoNumber1" border="1"
bordercolor="#e1d6c6" cellpadding="2">
<tbody>
<tr>
<td>Format</td>
<td>Useable Image Area</td>
</tr>
<tr>
<td>35 mm</td>
<td>24 x 36 mm</td>
</tr>
<tr>
<td>6×45 cm</td>
<td>56 x 42 mm</td>
</tr>
<tr>
<td>6×6 cm</td>
<td>56 x 56 mm</td>
</tr>
<tr>
<td>6×7 cm</td>
<td>56 x 70 mm</td>
</tr>
<tr>
<td>6×9 cm</td>
<td>56 x 84 mm</td>
</tr>
<tr>
<td>6×12 cm</td>
<td>56 x 112 mm</td>
</tr>
<tr>
<td>6×17 cm</td>
<td>56 x 165 mm</td>
</tr>
<tr>
<td>5×4 inch</td>
<td>95 x 120 mm</td>
</tr>
<tr>
<td>5×7 inch</td>
<td>120 x 170 mm</td>
</tr>
<tr>
<td>8×10 inch</td>
<td>190 x 245 mm</td>
</tr>
</tbody>
</table>
The above may well not give the full picture however, as whilst for
example 6x9
film may have actual dimensions of 56mm x 84mm the useable dimensions
may fall to 54mm x 82mm due corner curvature of the film gate. Some
film gates however like the <span style="font-style: italic;">Plaubel
Veriwide 100</span> have pinched corners
at the film gate and therefore permit full use of the captured image
i.e. 56mm x 92mm. An example of this should display below.
Hope this makes some sense
Cheers...John.
Hasselblad and most MF SLRs/TLRs actually print a 56x56mm frame.
Hmm.. actually on Hasselblad 6x6 backs the image is 54x54mm. My guess is that on 120 rollfilm with a hassy back (with double film curvature) flim flatness is somewhat improved by "sacrificing" 2 mm with respect to other well-known 6x6 cameras.
Has anyboy tried the Cambo 6x12 film back? I've owned mine for almost 3 years now without a single problem. I love it! The frame is also a true 6x12cm measuring 56x112mm. It works on Graflok backs but for ease and speed of use in the field it is also designed to slide into a 4x5 camera just like a regular film holder. No groundglass removal. The feed and take-up spools are located to one side. The film feeds into the holder around a roller and back to the take-up spool. Build quality is superb with a floating pressure plate to accept 120 or 220 film. Film is simple to load and winds to the next frame automatically with a click stop frame counter assembly on the holder itself (no red window). Film is flat, images are sharp.
Are there any dissadvantages? As with anything photographic you can't have it all in one product. Cambo makes a separate holder for each format. No multiple formats like the Sinar or Shen-Hao. Other sizes include 645, 6x7, and 6x9.
Cost may hold some people back. The 6x12 is $800 US. Other formats are $500 US. Not too bad compared to the Sinar.
For those of you who have the budget and 6x12 is the only format your considering to add to your 4x5 kit, I would have a look at the Cambo. I bought mine from Calumet Photographic (www.calumetphoto.com). You can see images of the holder if you don't know what it looks like.
For some sample pans you can check out my website at www.davidnardi.com
Happy shooting!
David
Nice pictures David...I especially like the Birch Bark Detail /Patrik
I also use the Shen Hao SH612 Rollfilm holder but only had it for a while now. I take it to be a newer one and have had no problems what so ever with it. It will be a welcome addition to my system this summer when we travel . It is built solid and I see no issues with fogging. It is very resonable at 285.00 new, and I took a long hard look at this back before buying. I just cannot afford to buy different backs for all formats that this one gives and the compactness of using 1 back hiking is a bonus. I must say that 6x12 then 6x9 were my reason to buy and don't see me using the 6x6 or 6x645 much at all.
I purchased my shen hao 612 holder about 4years ago from badger graphic for $395. It doesn't have a red window, just holes. The foggin from the light can be detrimental. It also didn't come with any masks. I've never gotten a sharp neg from it on my shen hao camera. It's too heavy i believe. 612 negs next to 4x5 negs from the same setup just don't cut it.
I think everyone who uses this must shoot landscape. Mine only focussed at infinity. I discovered very poor focus alignment so that close up it front focussed rather badly. At the time I was still developing my VC technique so I didnt realise that it was the equipment that was at fault. I blew a lot of film and money before I realised what was going on. It would have been much cheaper to buy the Horseman 6x12 back in the first place. Buy cheap, pay twice as they say.
Eh? The back doesn't focus at all. If you're having focus problems I can't see how the back is at fault.
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