So you held a Fotoman and a Goaersi 4x5 in your hands, and now you're an expert...wow. Working with a company in its design, eh? You mean telling them what you wanted, then they built it for you. This makes you an expert? Looks to me like you're the one trying to bluff knowledge...are you an engineer, woodworker, work for them (I doubt it, you would have already mentioned it)? And why would I call the Melbourne Camera Exchange just because you "saw" a Fotoman 617, after all I already own two! I think you are the one doing the bluffing-
1. Unaware of lack of hyperfocal scale on Goersi models.
2. Assuming focus range is limited to range of the helical mount. A 10mm spacer between the cone and body cuts the near focus in half, and you get even closer with a 25mm spacer (they also have 40mm, or you can stack them). This is possible only with Fotoman cameras. Of course you lose infinity focus temporarily while doing this, but great if you're into close-up stuff.
3. Unaware of quality differences between helical mount on Goersi (which you owned) and Fotoman which you saw in store. You're the expert, why no comments, you should have looked closer. Paul Droluk had this to say about the construction.....
"HFM - our Helical Focus Mount is truly a thing of beauty, if I do say so myself. It's buttery rotational feel is the result of a 6-start, fine pitch helicoid thread. The Gaoersi HFM utilizes a single high pitch coarse thread, just like a screw, which results in a rough, imprecise feel. While the rough feel can be masked, to some degree, by a generous application of thick grease, this will lead to problems of high torque when subjected to cold temperatures or migration (read: mess) at elevated temperatures. Additionally, last we checked, it appeared as though the Gaoersi HFM utilized the same distance/DOF markings for several different focal lengths."
By the way, Shadowleaves (comment #14) also referred to his 617 system in his comparison with 4x5 models, it is expected when little else is available for help. There is no problem. Whatever is bothering you, I got the solution.....take a shot of vodka to kill the bug up your A$$. Before all this started, all I ever said was that considering you have 3 point and shoot large format cameras, you sure seem to like them, and then I added my views on the two categories of cameras. Lachlan, lighten up, you mean we have another problem (with kapeesh)?
Sudieva.
Notice Goersi helical mount has no provision for hyperfocal scale, while Fotoman does. You might see it clearer on the 3rd photo. Left photo is cone for Goersi 45.
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