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好不容易找到百变妖，确实比较妖！！遮光罩不好找，原厂推荐的HK-7基本属于古董中的古董。
爬文很久，终于找到一篇国外的介绍，说可以用HK-4代替，比HK-7效果更好，而且可以用85mm 1.4D-IF的遮光罩HN-31代替，用个77mm->72mm的转接口效果也非常不错而且77mm的滤镜也可以一起用了。再有就是用HN-9拧入式的遮光罩也可以，大小长度和HK-7只差0.5mm，觉得这个倒是很不错，希望全球只有7000多人才有的镜头的主人能找到满意的遮光罩！
Finally, I bought this classic nikon lens-Ai AF 28mm F1.4D. But I haven't found the hood of this lens yet!
Now that I kown. there are some others way without the original hood HK-7.
Such as HK-4, HN-31 with step down adpater to 72mm, and HN-9 without any other adapter.
I hope the owners who got this classic lens which made by nikon with limited output about 7000 will get their
fit hood.
HK-4 HK-7 HN-31 Len Hood Options
Nikon 28mm f/1.4D AF
When I purchased my Nikon 28mm f/1.4D AF Nikkor from Ebay, it came with a HK-7 lens hood. I later did some searching to determine which lens hoods were recommended for the 28mm. I found that most people by default used the Nikon HK-7 hood, but many found it to be rather shallow. Protection from any stray light or debris was minimal. Personally I found the HK-7 to be just fine when shooting pictures with regards to flair, but I did feel the Nikon HK-7 offered limited protection of the front lens area. Later I found two other options. One was the longer Nikon HK-4 lens hood and the other using a 72mm to 77mm step up ring which allowed the 85mm f/1.4 HN-31 lens hood to be used.
I found that the Nikon HK-4 lens hood was the preferred option recommended by several high profile photographers, however the HK-4 hood was extremely difficult to find. Luckily I found two HK-4 lens hoods on Ebay and picked them up right away for a good price. One I got new and the other HK-4 was used. I am very happy with them. The Nikon HK-4 lens hood I feel is a great hood for the Nikon 28mm f/1.4D and highly recommend using it in the place of the HK-7. Both the HK-4 and HK-7 lens hoods are however very difficult to find and you may have to pay a high price for them. Both HK-4’s that I found on Ebay were listed as “Buy Nows” for $35.00 each from separate sellers. I should also mention that both the HK-4 and HK-7 lens hoods are screw on hoods, but I have found them to be very sturdy.
I carry my Nikon D200 and 28mm f/1.4 everywhere now and definitely needed the HK-4 to protect the front end. The HK-7 was just too shallow and I’m glad I made the switch. For those of you who can’t find the HK-4, the 85mm f/1.4 HN-31 lens hood with a step up ring I have heard works very well. This would have been my second option in the event I could not located a Nikon HK-4 lens hood. Surprisingly I found two!!
UPDATE: I recently discovered another lens hood option. I found that the Nikon HN-20 screw-on hood with Hakuba 86mm snap-on lens cap will work excellent with the Nikon 28mm f/1.4D AF. In addition the Hakuba 72mm Rubber Lens Hood works great too, however I prefer metal lens hoods to protect the glass. Still it’s a very good and cheap alternative. In Japan I can get the HN-20, Hakuba 86mm cap, and 72mm Rubber Hood all for under 20 bucks so it was rather cheap to try all this out.
下面是一个人卖28的时候介绍的：
Hi,
I am selling a Nikon 28mm f/1.4 lens and HK-4 hood. The lens will come with a Hoya Pro1 UV filter.
Price is $2400USD, including paypal and shipping.
Condition:
The lens is in perfect condition. The lens surface has no scratches, no lose paints, and has not dropped. The manual/auto focus plastic ring has no cracks. The manual focus ring is smooth and not lose. Front element is perfect; it is always covered by a Hoya Pro1 UV filter. Rear element has only one 1-2mm small 'dot' on the surface in the center (see second last picture). I took so many pictures using this lens and I do not find any flaw in the pictures (even I zoom in 100%).
The hood is perfect and is bigger than the originally suggested HK-7 hood. It attaches the lens very tightly. The hood only shows some signs of usage.
Attached are pictures of the lens. I tried shooting the lens in different views to show the condition of the lens. Last picture is taken by 28mm f/1.4. All pictures are only cropped and auto brightness adjusted via CS2.
Please let me know if you are interested.
Thanks!
Ai AF Nikkor 28mm F1.4D ※本製品の生産は完了しました。
| |   希望小売価格 ¥238,000 (税込 ¥249,900) JAN：4960759017611 |
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F1.4の明るさを持ち、レンズ群の2箇所の間隔を変化させるダブルフローティング方式や精研削非球面レンズを採用することで、大口径広角レンズにありがちなコマフレアーを良好に補正。
開放から歪みの少ない点像が得られ、夜景撮影などには大きな効果を発揮。
フォーカシングの際にフィルター枠は回転せず、円偏光フィルターの操作性に優れている。
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| フード | | HK-7別売 |
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| レンズ構成 | | 8群-11枚 |
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| ED レンズ | | 0 枚 |
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| 非球面レンズ | | 精研削非球面レンズ1枚 |
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| 画角 | | 74° |
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| 焦点距離目盛り(ズーム) | | なし |
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| ズーミングの作動方式 | | なし |
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| 絞り羽根枚数 | | 9枚 |
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| 最小絞り | | 16 |
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| 最短撮影距離 | | 0.35m |
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| 最大撮影倍率 | | 1/8.3 |
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| フォーカス制限切替スイッチ | | なし |
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| M / A モード | | なし |
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| フォーカスロックボタン | | なし |
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| 質量(約) | | 520g |
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| 最大径×長さ(約) （先端よりバヨネット基準面まで） | | 75x77.5mm |
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| キャップ | | スプリング式 |
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| ケース | | CL-44別売 |
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| 三脚座 | | なし |
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| 前側外部フィルター取り付け枠の回転 | | 回転しない |
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| 前面外付けフィルターサイズ | | 72mm（P=0.75) |
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| 差込式フィルターサイズ | | －－－ |
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| 内蔵または後端部フィルター | | －－－ |
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| 円偏光フィルター適否 | | 使用可能 |
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| 円偏光フィルターII適否 | | 使用可能（専用フードHK-7付は使用不可、代替フードHN-9使用可能） |
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| TC-201S | | 使用可能 （AFレンズに装着した場合、AF撮影は不可） |
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| TC-301S | | 使用不可 |
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| TC-14AS | | 使用可能 （AFレンズに装着した場合、AF撮影は不可） |
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| TC-14BS | | 使用不可 |
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| TC-20E/20E II | | 使用不可 |
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| TC-17E II | | 使用不可 |
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| TC-14E/14E II | | 使用不可 |
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| AF-3 | | 使用可能(0) |
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| AF-4 | | 使用可能(1) ( )内の数字は装着可能なフード(AF-3:HN-36/AF-4:HN-37)の枚数を表す |
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| 赤外指標 | | あり |
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| 付属品 | | 72mmスプリング式前キャップ・裏ぶたLF-1 |
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| 絞り環の有無 | | あり |
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| 距離目盛の有無 | | あり |
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| バヨネットリングの材質 | | 金属 |
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| 備考 | | |
| | Ai AF Nikkor 28mm F1.4DのMTF性能曲線図 |
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 | | MTF曲線とは | |  |
最后来张我为百变妖重新定制的遮光罩计划---HK-4
