Peak Design Field Pouch brand_Kentmere mirror lenses have a few

mirror lenses have a few "downsides": they don't have an adjustable aperture

the Prominent II can take a darn fine picture- and it really does feel like a precision instrument

minor surface brightmarking

Please note: this teleconverter works with a pretty good variety of gear

You can use it squashed down

Peak Design Field Pouch brand_Kentmere mirror lenses have a fewThe Peak Design Field Pouch is a compact belt bag, by which I mean it's designed to slip onto your belt (the belt is not included.) No belt? No problem! There are also a few reinforced eyelets on the back to attach a Peak Design strap (also not included.) In excellent condition.