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File: mirrorlens.jpg (256 KB, 1214x1500)
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do they deserve the hate?

[EXIF data available. Click here to show/hide.]
Camera-Specific Properties:
Camera SoftwareAdobe Photoshop CS4 Windows
Image-Specific Properties:
Image OrientationTop, Left-Hand
Horizontal Resolution72 dpi
Vertical Resolution72 dpi
Image Created2018:10:31 00:50:27
Color Space InformationUncalibrated
Image Width1214
Image Height1500
>>
File: s-l400.jpg (14 KB, 400x268)
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Got myself a Minolta 250mm F5.6 and it is perfectly usable, sure if you pixel peep it will look like shaite, but it in many situations it doesn't matter. That lens is also extremely compact for what it does so it is a compromise i am willing to live with.
>>
>>4315166
I just picked up the RF Rokker 500mm f8.
So far its pretty cool.
>>
File: IMG_7519-1716109302390.jpg (1.07 MB, 5472x3648)
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>>4315155
They're aight I guess, I have an Olympus 500mm f8 that I acquired for a reasonable price.

Only gripe is that it's very finicky to focus even with the long throw focusing ring, we're talking about .5 millimeters margin of error. My copy has pretty bad balsam separation but there's some good sharpness especially for a catadioptric.

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Camera-Specific Properties:
Image-Specific Properties:
Image OrientationTop, Left-Hand
Horizontal Resolution72 dpi
Vertical Resolution72 dpi
Image Created2024:05:19 17:01:14
Color Space InformationsRGB
Image Width5472
Image Height3648
Scene Capture TypeStandard
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>>4315155
what are these lenses good at? besides being cheap? I don't think they have a purpose
>>
File: 254_Mak-Cass__72463.jpg (345 KB, 1280x853)
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>>4315502
being able to scale up to stupid sizes for telescopes

[EXIF data available. Click here to show/hide.]
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Image-Specific Properties:
Image OrientationTop, Left-Hand
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>>4315502
Their purpose is having a supertele length in a "compact" size, IQ be damned
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File: 120120-F-DW547-024[1].jpg (287 KB, 1800x1113)
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>1500mm f3
>sub 1ft resolution from 160 miles

[EXIF data available. Click here to show/hide.]
Camera-Specific Properties:
Camera SoftwareAdobe Photoshop CS4 Windows
Image-Specific Properties:
Image Width891
Image Height551
Number of Bits Per Component8, 8, 8
Pixel CompositionRGB
Image OrientationTop, Left-Hand
Horizontal Resolution300 dpi
Vertical Resolution300 dpi
Image Created2012:01:20 13:04:32
Color Space InformationsRGB
Image Width1800
Image Height1113
>>
Nikon made one in the pre-AI days called a 500/5 that was actually very good.
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>>4315155
What the hell is that in the center of the front element?
>>
>>4319635
Secondary mirror.



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