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| sent on 05 Febbraio 2023
Pros: Affordable price, compact and fun optics.
Cons: Fixed and low-light opening, manual MAF, no adapter for tripod attachment
Opinion: Economical, compact and fun optics. The difficulty of MAF mentioned has two aspects: the one due to the habit of automatic MAF of modern cameras, obviously absent (which can be overcome with the monitor magnification, which however takes away the immediacy of the use of optics) and that, not mentioned in previous opinion reports, that these ex-soviet optics, all rather old, are almost always afflicted by the problem of hardening of the lubricant of the MAF ring thread. The problem can be solved (by a good photorepairer or alone, if you have a certain dexterity) by replacing the lubricant, but it represents an extra complication. It is possible, and advisable, to add a manettino to operate the ring nut more easily but only after solving the problem of hardened grease. I point out another point not touched by the commentators who preceded me: It is true that the lens is not equipped with a tripod attachment (moreover in principle not essential, being the short and fairly light optics), but the need for an accurate MAF makes this accessory desirable on some occasions. Well, the COMA of Montorio al Vomano (Adriano Lolli) produces a valuable ring bracket, even equipped with a second attachment for accessories, which would solve, with a modest expense, the problem. I used the conditional because, although the bracket is well made Lolli (there are even two types, to adapt perfectly to the two versions, almost similar, of MTO-500 on the market), the tightening is very delicate and can reserve surprises. I literally went crazy trying to focus on my MTO-500 after I had carefully mounted the bracket, until I realized that the walls of the lens tube are so thin that the slightest pressure deforms them (elastically, fortunately) making MAF impossible. I definitely recommend the Lolli bracket but if you order it, first measure the diameter of your lens accurately and specify it in order. Also, mount the bracket very carefully and gently, avoiding tightening the mounting ring too much. And even so, best wishes! PS: Lolli can also provide the manettino. |
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