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Kyoei Optical Co., LTD. Acall 250mm f4 Sample Photos
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PostPosted: Sat Aug 03, 2019 11:10 pm    Post subject: Kyoei Optical Co., LTD. Acall 250mm f4 Sample Photos Reply with quote

Kyoei Optical Co., LTD. Acall 250mm f4

Sample Photos. Most are MFD. Framed in APS-C.

#1 2x2 white pixel map on 32" Monitor at 10ft (Lens MFD)



#2 Indoor with Backlighting



#3 Daylight Diffused and Reflected



#4


PostPosted: Sun Aug 04, 2019 2:51 am    Post subject: Reply with quote

B/W



PostPosted: Sun Aug 04, 2019 3:02 am    Post subject: Reply with quote

#1 Optical group unscrews from the focusing assembly


#2 Aperture assembly. The very rear contains a single lens element.


#3 Front group block contains one front element an air gap and then a solid group that cannot be further opened. It is heavy!


#4 Front group block. The dust ring isn't, rather a full cap that unscrews to reveal the inside. This one had me puzzled.


#5 Lots of brass