This lens is a solid piece of metal! It weighs 1 lb. and 9 ounces!

Pentax PC35AF is my favorite p/s camera. This one is a bit larger and heavier!

My largest and heaviest lens by far. For Micro 4/3rd, the equivalent focal lengths would be 240-1200mm. Taken with an Olympus D560 which was introduced in 2003.

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Effective Focal Length at 400mm

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Circa 1880

Length 110feet

Scale 1:85

Built by Crump Farrell

Canon FD 135 F3.5 prime

Pentax 67ii with Schneider Super Angulon 50mm F2.8

The glasses are somewhat tinted yellow. Needs UV light treatment.

Pentax A110 body & lens set.

From left to right:

On camera - Asahi 24mm f2.8

Asahi 18mm f2.8

Asahi 50mm f2.8

Asahi 70mm f2.8

Effective Focal Length at 240mm

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Effective Focal Length at 600mm No PP

Effective Focal Length at 600mm

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Effective Focal Length at 1200mm

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A C-Mount adapter is used.

It is a sharp lens with long focusing distance.

Rolleiflex SL66 Mounted with Cooke Deep Field Panchro 100mm F2.5

Pentax PC35AF is my favorite p/s camera. This one is a bit larger and heavier!

Got it for one dollar. Still quite usable. Forget about lens cap or filter though.

Effective Focal Length at 1200mm

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It is a bit tricky to focus at f5.6 aperture and a distance of 1/4 miles. The depth of field is razor thin!

Vivitar 120-600mm on OM-D

Canon FD 200 F4 S.S.C. prime

Status: Still in my collection

Effective Focal Length at 1200mm

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Effective Focal Length at 240mm

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