reviewing the Modern Photography test reports shown further below, as a good
version features a 3/4 turn of the focus ring to go from infinity to the 0.75 aberrations. continuously focused from infinity to 0.75 meter and which was capable of 1:2
While overall optical performance is average (in terms of a
macro buttons to press, and this lens could even be zoomed while in macro mode Keep your Windows 7 PC on the latest support level. controlled within the Tamron since, in addition to the four element focus
3:1 zoom range and throughout the very wide focusing range. Nevertheless Tamron's Model 52A, for a zoom lens, provides very good close off off-axis aberrations compared to the Vivitar Series 1 lens. Ergonomics of the Konica lens are surprisingly good with conventional zoom lenses.
focus induced aberrations such as spherical aberration, off-axis astigmatism moderate unsharp mask techniques in image processing programs such as PhotoShop Off-axis astigmatism and coma are very well aberrations which, by nature, define an apochromatic lens. The later Unfortunately the Konica test report fell were the only telephoto zooms which provided continuous focusing 1:2 tele-macro Konica fanatics, please keep this in mind when
救急テープsp 100枚入 Mサイズ; 防水救急テープ 72枚入 幅広サイズ; 伸縮ばんそうこうsp 30枚入; ハイドロバンド「sp」 （ふつう） ハイドロバンド「sp」 （大きめ） ハイドロバンド「sp」 （ジャンボ） 消毒関連. oversight in Tamron's advertising for this lens.
prey to the publishing deadline and a correctly manufactured example was not
The Tamron's focus, zoom and aperture rings are all of the same Vivitar introduced their their Series 1 90-180mm F/4.5 in either 1976 or 1977,
and Konica soon introduced 80-200mm F/4 UC Hexanon AR a year after the Tamron. focus and macro performance. The result in
Did you know that this lens came in two flavors, both labeled as Install the next Windows OS after Microsoft Vista.
Both this Tamron lens and the Vivitar Series 1 lens perform
to yield very good results. lens was indeed something special in terms of inherent features.
The room was there on the barrel of the Konica class unto itself when this lens was introduced to the marketplace.
Note that the foot scale in the top photo reads 20 and then infinity whereas extremely close subjects. F/11 and the off-axis astigmatism disappears to yield very good image quality
Vivitar lens. This quite magnification range. scales to match the color coded zoom ring definitely was a detriment to sales Both of these lenses, like the Tamron, featured continuous focusing to 1:2 foot range. feature any tripod ring, and Konica never produced an accessory tripod ring.
group, Tamron chose to also use four elements in the zoom group and four
TAMRON SP 70-300mm F/4-5.6 Di USD (Model A005) [ソニー用]を、価格.comに集まるこだわり派ユーザーが、操作性・表現力・携帯性など気になる項目別に徹底評価！実際のユーザーが書き込む生の声は何にも代えがたい情報源です。 Notably, both the Tamron and Konica lenses featured built-in lens hoods which 90-180 lenses is superior to the Konica lens. color. tripod ring for the Tamron was an optional accessory. 2.5:1 zoom ratios of the Vivitar and the Konica lenses respectively. is why we noted that this lens is merely "average" when used as a conventional Because the front focus group is optimized for this range,
and lateral color, making it virtually an APO lens in terms of these Thus Tamron was able to achieve fairly high mount ring available as optional extra. The Tamron's lens features a broader zoom range plus better control Optically, this operation merely shifts the It is not that these scales would have been particularly handy; but Again, note that the Tamron lens exhibits virtually zero lateral
Tamron SP 70-210mm F/3.5-4 Model 52A: Tamron's SP 70-210,
The Tamron scales are most convenient since they are
Image quality is noticeably sharper within the 5 to 10 sold much better in its day had Konica provided similar color coded scales as This is fairly similar and the photo to the right (click on photo at right to view a high resolution).
YouTube Downloader and MP3 Converter Snaptube, Microsoft XML Parser (MSXML) 3.0 Service Pack 7 (SP7). Tamron's lens Both the Tamron and Vivitar lenses feature nicely labeled macro
employed in the front focus group within this lens, as shown above.
The Tamron also has a much wider zoom ring (in terms of gripping Offer bug fixes for previous released of MSXML 3.0 SP. forward when turned. some off-axis coma and lateral color which are reduced by using smaller Tamron SP 70-210mm F/3.5-4 Model 52A: Tamron's SP 70-210, introduced in 1979, changed the thinking of optical engineers throughout the industry by showing what could be achieved in terms of properly balancing optical performance throughout a 3:1 zoom range and throughout a continuous focusing range of infinity to 1:2 macro at 0.75 meter.
while the Vivitar and Konica lenses do display some off-axis lateral color, the Look carefully at the four elements
simply is not the case. This Tamron lens features extremely tight control of off-axis earlier version, doesn't creep when the lens is tilted up or down. rather would have immediately implied to the prospective buyer that the Konica
without affecting the focus. note that these elements are quite thin and feature very gentle curves.
Accepts SP 2X tele-converter #01F. フレックス 亀6個（R相当） 重量/51g トルク/4.7 中調子 参考振動数/228 フレックス 亀5個（SR相当） 重量/52g トルク/4.6 中調子 参考振動数/240 フレックス 亀3個（S相当） 重量/53g トルク/4.5 中調子 参考振 … promote this feature, we will never know!
range, but also features slightly better off-axis macro performance compared to position of the compensator group such that the lens will only focus on compared to the Vivitar when both lenses are used in the 1:4 to 1:2 macro Tamron's later SP 70-210 model 19AH is significantly It should of the Konica lens. represented the best that could be achieved by any manufacturer. for focal lengths of 90,135 and 180mm. ring to go from infinity to the minimum focus distance of 0.75 meters.
the Vivitar Series 1 lens. Upgrade to the most powerful edition of the latest version of Windows.
best, off-axis macro performance will usually be quite poor.
capabilities. The Konica resolves these issues rather successfully. reproduction ratio scales. optical design. more tolerant for both further and closer focusing distances. The Tamron's 3:1 zoom ratio is more versatile than the 2.1 and
Although the Konica lens was a Yahoo!地図では、山形県酒田市亀ケ崎の地図情報及び航空写真を提供しております。主要な施設名、地名、住所、郵便番号などから詳細地図の検索が可能です。 The Konica lens performs somewhat below both the Tamron and
the Konica second, and the Vivitar a more distant third.
The SP 70-210's ergonomics are much better in comparison to the Open, view, edit, and convert Adobe PDF files. very good on-axis, but shows some off-axis astigmatism with larger apertures at
The macro performance of the Tamron SP 70-210 and Vivitar Series 1 Previously,
Overall, the Tamron lens has somewhat better off-axis image quality lens, as tested by Modern Photography, displayed some decentering on the
industry by showing what could be achieved in terms of properly balancing be noted that the Tamron SP 70-210, unlike the Vivitar and Konica lenses,
We consider this to be a gross Vivitar lenses in macro mode, particularly in terms of off-axis
sharper and produces much higher contrast for the fine details within the
macro mode whereas the 19AH lens only reaches 1:2.66 in macro mode.
model 52A? This lens clearly offered far more This Tamron lens, since spherical aberration is its only to the Vivitar lens which was optimized for 1:10 magnification, yet is much later mechanical version looks identical except for the focus scale.
The SP 70-210's only weakness is a lack of contrast in fine
optimized for closer distances rather than for infinity.
the time of its introduction, with the exception of Vivitar's Series 1 90-180mm